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Location:
Malaysia,Kuala Lumpur
Registered:
July 2002
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1G Single Turbo !!
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Thu, 13 November 2003 02:49
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Anyone here done a 1G single turbo from the 7M-GTE. I want to use the manifold, Turbo from the 7M...any ideas if this will be a good mod ? Will power increase ?
Cheers
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Location:
Brisbane, QLD
Registered:
February 2003
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 02:56
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i dare say you couldnt use the manifold
different bolt holes...and size
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 03:16
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i would use the GT4 CT26 as its made for the 2L
heaps of people are are doing/have done the single turbo conversion
TOY77
DCVING
DDEANE
FAT TONY
all those guys have gone with better turbos but
if ya decide to go with the CT26 get 2 manifolds made up! 1 for me
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 03:17
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no u wont be able to use the manifold
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 09:57
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I don't know why people would be rushing to use the CT26. Both of the versions struggle to put out much if any more than the CT12's, yet with more lag. If you high-flow them to make them more powerful up comes the lag again.
Personally if I was going a bigger single I'd find something with a bit more response to go along with more power. The CT26 is old technology.
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 10:31
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JCMF
it all comes down to cash! sure a gt25/30 would be ideal but are u gunna give me the 3g to buy one?
the ct26 wont be that laggy, they aint that laggy on a gt4!
as for flow im pretty sure they will flow alot more than the pin size ct12s plus handle alot more boost
all this ct26 is alot just opinion i havent meet anyone who has done it say anything
ill do it then review it
if it aint no good ill get a different flange made up,
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 11:14
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another thing have you drove a 1ggte with out boost at all? they are still quiet nice to drive, i still beat a 4agze, so even if there is gunna be lag, it aint gunna be that bad dealing with it
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 12:27
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If that what you want to do. I can't see the CT26, especially the twin-entry version flowing much more than the CT12's. I remember reading about a couple of people who had done it and it didn't live up to expectations at all.
I'm not trying to discourage you from doing something new, its just it'd be a shame to spend all that effort and money to have a car that probably has a little more top end but is missing more bottom end and mid-range.
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Location:
Yowie Bay, Sydney
Registered:
June 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 13:42
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just got my HKS T04 kit
i'll let ya know how it goes by the end of next week i hope
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 13:43
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Cool dude, keep up posted.
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Registered:
June 2002
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Re: 1G Single Turbo !!
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Thu, 13 November 2003 21:18
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you could use the GT-4 twin entry turbine housing on the 7M CT-26 to bring lag down and still have a decent flowing turbo.
I wouldn't think the GT-4 CT-26 would flow alot more than the 2 CT-12's on a 1G but the 7M one should flow a bit more (%30??).
what about a turbo off a rb25det, apart from it's ceramic turbine wheel issues could be a good option.
my 2c
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Location:
Malaysia,Kuala Lumpur
Registered:
July 2002
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Re: 1G Single Turbo !!
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Fri, 14 November 2003 08:26
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wooooaaaaa !!! guys guys, fellas please slow down, Thank you ALL for your feedback. I'm new to this turbo thingy, the ct12's i have in my 1G aren't all that bad, the one nearest to the firewall is not doing so well though, it has a 'little' freeplay and i think that the boost is not 'equal' from the 2 turbs.
So i wanted to change it to a single and see what happens. I thought i once saw someone do the 7M manifold conversion etc.
I must be wrong if the manifold could not fit. Thinking how Yamaha made both the heads ??...So would i need to make custom manifolds ?? and the suggestion of using a RB25det ??..does the manifold line up ?? ...and the common flange for more exciting turbos ??....
Someone please 'guide' me on good solution.
Also GT4's ?? twin setup ??..Celica is it ?
cheers
dispatcher
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Location:
newcastle nsw
Registered:
May 2002
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Re: 1G Single Turbo !!
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Fri, 14 November 2003 09:52
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no the rb manifold will not line up, youll have too get one made up or buy a hks manifold.
toy77 and myself are using hks manifolds with quite different turbo set ups, itll be interesting to see how they both respond stews will be going within the next week, where as mine is about a month or two away.
theres a picture of mine in members rides, not sure if stews got any pics of his up here or not yet
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Fri, 14 November 2003 11:53
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steve sounds very exciting cant wait to see the results.
ill be up the central coast way in the next few weeks some time, would it be cool if i dropped in to check it out,
wouldnt mind saying gday to stew why i was there too
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Location:
Melbourne
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 15 November 2003 02:35
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Sorry to dissapoint craig, but i sold the ct26 and now have the gt35 running on it, u should know that. P.S Single turbo that size makes shit all boost on a 35 degree day, as i found out just now. lol
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Location:
Arthurs Creek, Victoria
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 15 November 2003 05:37
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Fattony: That's cos your not running a blow off valve.. You'd make more boost if you were.
Anyhow.
As far as single turbo conversions go, I was originally gonna stick with the CT12's, back in the day, then I got talked into a larger single conversion. So I went ahead, and purchased what I thought was a 600hp GT40 ball bearing turbo. I have since found out that this turbo is actually closer to a 700 hp turbo and is a touch too big, with all things being equal (like cooler pipes and appropriately sized manifolds) it doesn't come on boost till about 3500~4000rpm. This is a slight problem. So, I've done the maths and worked out that the exhaust housing needs to be changed, it's a 0.82 a/r at the moment and it's going to a 0.63 a/r exhaust housing. That should bring the boost threshold down to about 3000 rpm. Which in my opinion will work fine, because once this big turbo charger comes on boost, sit back and hold on. It hits in pretty hard, but as was said before, a 1g off boost isn't a particularly big slug, it still moves, but not as fast as it does on boost.
Another thing I've found too is that twin entry turbo chargers come on boost earlier, so looking for a gt4 exhaust housing that will fit onto a ct26 from a 7m would provide plenty of go, providing that the exhaust wheels are the same size, which isn't necessarily a given. The other option might be, try and get a ct26 off a late model 1jz... There's something that would move.
Anyhow, that's my 2c (more like 50c after this essay).
If anybody wants to email me about this, email celica@sco.net.au.
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 15 November 2003 10:17
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Don't the later model 1JZ's run a CT20B?
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 15 November 2003 10:18
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Oh, and one other thing, how does not having a blow-off valve affect the amount of boost you make, it shouldn't make a difference at all.
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Location:
Arthurs Creek, Victoria
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 15 November 2003 11:36
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You might be right about the 1jz, but I thought it was a ct26 single turbo.
As for the blow off valve.
When your throttle body snaps shut, all the pressurized air in the piping has to get out somewhere, as I'm sure your already aware.
Now, just after you've snapped your throttle body shut, there's a fair chance your turbo is at either the peak of it's spinning speed(RPM) for your motor, or it's close on it's way up there.
When you have all that pressurized air forcing it's way back out your piping, it goes backwards out through the turbo compressor cover. This air pushes back against the compressor blades, hence that 'choofing' noise. The air forcing back in the opposite direction to that which the compressor wheel is spinning, slows it down, by putting a large force on it.
If you let all that pressurized air out somewhere else, the compressor wheel doesn't have all that force against it, and hence just slows down of it's own accord, which means it's going to be ready at a relatively higher RPM when you get back on the gas, rather than having already been slowed down by all that pressurized air forcing it's way out.
Ofcourse, the problem is multiplied the higher the boost pressure that you run.
Make sense?
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 15 November 2003 11:59
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I understand that, but providing there is no significant restriction in say the throttle body, causing compressor surge as you are describing, then there is no reason that a blow-off valve would make more boost, it would just mean the turbo loses less revs when you snap the throttle shut. A blow-off valve should be doing nothing under WOT.
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Location:
Newcastle
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 15 November 2003 13:47
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G'day
Well Dabbid if you can get yours runnin in a week well done!!!
mine has taken 4 weeks with a great workshop with tig and all the gear ( though i did do a flash new cooler too)
Started her tonight...... LOOK OUT!!!!
as for how it goes.. you will have to find out the hard way!
Craig, if your in newy, give me a dial on 0404040370.
Hers some words of advice...
bolt on kits arn't, and its ALWAYS heaps harder than it looks.
Dont waste you time with cheap turbos cause unless you have access to a work shop, the turbos wont be the biggest expense.
Cheers
Stew
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Location:
Yowie Bay, Sydney
Registered:
June 2002
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Re: 1G Single Turbo !!
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Sun, 16 November 2003 01:32
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well guys the turbo is done
and after thinking for while the engine was gettin a little weak, turns out i was right, i now have a very big rattle in the bearings.... and shit all oil pressure
and it doesnt spool hard til 5100rpm, its quite silly
but whne it does... hold on!!
i'll have some pics of it for u all as soon as i get my camera back
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Location:
Sydney
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sun, 16 November 2003 01:42
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cool.. awaiting piccies..
I think I'm gunna go this route when I put the 1g into my corona.
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sun, 16 November 2003 03:26
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stew, sounds great mate! what computer u running?
yes as bugman says PICS PICS
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Location:
Melbourne
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sun, 16 November 2003 07:32
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Stradlater, i think you missed the point. However u see my child a blow off valve makes no diff as to the inlet temps on a car on a hot day.
Anyhow
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Location:
Newcastle
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sun, 16 November 2003 21:23
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heya
i am runnin the factory computer for a little while, myself and a few of the newy boys are keen to see how far it can be pushed... then i will most likely go Autronic.... not sure yet though.
Dabbid - its cool u got it runnin so quick.... what size are your housings?
are you sure you got the wastegate hooked up properly?
it should spool up much earlier than that.
Stew
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Location:
Yowie Bay, Sydney
Registered:
June 2002
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Re: 1G Single Turbo !!
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Mon, 17 November 2003 01:20
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nah not really sure if the waste gates hooked up right
but i think it's right, cos it only opens (really loud)
when it gets to full boost (15psi)
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Location:
Yowie Bay, Sydney
Registered:
June 2002
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Re: 1G Single Turbo !!
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Sat, 22 November 2003 09:16
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pics now in the for sale section
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sun, 23 November 2003 04:28
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there is?
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"Cørønå ƒreåk"
Location:
Kellyville, Sydney
Registered:
May 2002
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Re: 1G Single Turbo !!
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Tue, 09 December 2003 09:35
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BUGMAN - GO THE CORONA POWER!!!
I think 2 turbos are better than one, but over all.... you'll end up with more problems than a single.... but can't really say that since TRACTION ISSUES has ripped shit up with his monster of a car (gotta love it).... I'm still doing my engine - but out of funds to continue on with the damn thing... but im going for a single T67 or something along those lines.... just waiting for the cash to start flowing again.. 
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Location:
Yowie Bay, Sydney
Registered:
June 2002
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Re: 1G Single Turbo !!
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Tue, 09 December 2003 10:56
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assailant- y not buy my T04 kit??
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Location:
WA
Registered:
November 2003
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Re: 1G Single Turbo !!
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Tue, 09 December 2003 12:56
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so dabbid, u had the T04 in place for less than a month and then sell your car?
was it not all runnin properly? hte new turbo didn't live up to expectations?
or was the engine screwed like you suspected?
sorry for bein so nosey, jsut curious cos if i got a new turbo i'd sure be hangin on to my car for a while if it went well...
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Location:
Yowie Bay, Sydney
Registered:
June 2002
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Re: 1G Single Turbo !!
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Tue, 09 December 2003 19:54
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mate the turbo was great!
i sold my car cos i need a ute, which i now have
and now i have no need for turbos anymore
i like to have torque from idle!! 
nothin quite like 6.5litres of engine!
but there's nothin wrong with the turbo or wastegate or any other associated part in the kit
stop askin about it and buy it! 
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Location:
Melbourne
Registered:
October 2003
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Re: 1G Single Turbo !!
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Wed, 10 December 2003 10:12
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This is a bit late but what I did on my 1G is this, I got a T4 hybrid, this has a T3 exhaust housing for the new guy, this set up alows the larg turbo to spinn up almost as soon as a smaller turbo, the only thing is it will have a limit to the engine size, being on a 1G this is no problem. I had an adaptor that went on to the mount where the 2xCT12s sat on the original exhaust maniflod. This worked extremly well for street use and didnt cost an arm and a leg. It got to 15psi at about 3000rpm, started making boost at about 2300rpm. so this made it verry drivable. When on full boost with a W58 box you can change quick enough to not loose any more than 3 or 4psi. If you get more of a drop than this you need to practice changing faster. Im not wanting to be arogant about this but i had no trouble at doing this when it mattered. I also done some silly tests for you guys that are interested on performance. I had an average 2 1/2 inch exhaust and a water to air cool. on 6psi it got 130hp on 15psi it got 180hp and on (dont laugh I did this to try and win in a comp)24psi I got 226hp I didnt like to do this, but it loved it, didnt ping and didnt lean out at all. this was on stock computer and I would be looking forward to doing this in the future when the eng goes back in with a computer that is ment to do this.
Does any one know what the max out put any one has gotten from one of these engines with out doing any internal mods.
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Wed, 10 December 2003 10:53
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alien corolla can you get picks of your manifold setup plz!!!
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Location:
Melbourne
Registered:
October 2003
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Location:
Madrid - Spain
Registered:
August 2002
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Re: 1G Single Turbo !!
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Thu, 11 December 2003 03:16
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There is some more photo's of your car on this section of the turbonetics page
http://www.turbonetics.com.au/ATS_workshop_corona_ .htm
Looks really nice. Did you notice much of a performance gain. The power they are quoting isn't all that high. Most of us are getting 110-120rwkw with standard boost, but I don't know what the water cooled 1G's are good for.
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Location:
Sydney
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 11 December 2003 04:33
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not a bad way of doing it.
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Location:
Madrid - Spain
Registered:
August 2002
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Re: 1G Single Turbo !!
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Thu, 11 December 2003 05:10
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and the power output ain't too bad either. It would have been even better in a celica, but I guess you can't have everything.
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Location:
Melbourne
Registered:
October 2003
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Re: 1G Single Turbo !!
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Thu, 11 December 2003 06:49
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Ok, noted it wasnt the best power, but take into consideration the exhaust it had on it 3 inch to the 2 1/2"cat then it was down to the 2 1/4 muffler at the rear, and the fact it was only 5psi, this was with the eng cutting out at about 4500rpm (Grant will confirm this, he knows all about this problem we had) the twin turbos had all this gear and it went about the same, but after boosting it, it went much harder than what the stock turbos went. I did boost the stock turbos but they died soon after I did this. I was happy with the conversion and I cant wait to get it back into a car, as in another post it will be going in the supra and it will have a full 3 inch exhaust to stop the flow restrictions. I will be posting it up after I have it up and running, I will let you know what the power out put is with the full kit and kuboodel.
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Location:
Madrid - Spain
Registered:
August 2002
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Re: 1G Single Turbo !!
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Thu, 11 December 2003 20:28
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I think that for the relatively small amount of fabrication work involved, it was a really good result.
Were you running the stock ECU???? I guess you would have at least something to stop fuel cut.
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Location:
WA
Registered:
November 2003
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Re: 1G Single Turbo !!
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Fri, 12 December 2003 02:08
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yes dabbid i know i should buy it just putting it off till i got all the cash...
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: 1G Single Turbo !!
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Sat, 13 December 2003 14:02
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aliencorolla, what is the exact make of your turbo, can you give us the impellor size, compressor size and when it makes boost and how much ya paid
cheers mate
sorry for buggin ya so much
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Location:
Malaysia,Kuala Lumpur
Registered:
July 2002
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Re: 1G Single Turbo !!
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Tue, 20 January 2004 11:35
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Guys, saw the link that showed the pic of the single Turbo adapter, Now can anyone give me some measurement for a 1G ?..i.e pipe diameter flanges (if they need gaskets), also i suppose i'd have to pick the Turbo first before i actually make an adapter, Which would be better ?? Ball-bearing type or standard Turbo.
Any advice is appreciated, Also more clearer pics and different type adapters..please forward links.
cheers
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Location:
sunny coast, qld
Registered:
October 2002
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Re: 1G Single Turbo !!
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Tue, 20 January 2004 11:49
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ball bearing turbos spool slightly quicker, cost more and as far as i am aware are not rebuildable.
standard bearing turbos spool slightly slower, are usually cheaper and can be rebuilt 'fairly' cheaply.
If i had the cash i would put a 500hp GT30 on a 1g. about $2300 i think, but you will need a wastegate as well. Otherwise, probably t04E with an external gate also. Depends what sort of adaptors you can get for the standard manifold unless you want a custom one. (not cheap)
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Location:
sydney
Registered:
June 2003
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Re: 1G Single Turbo !!
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Wed, 21 January 2004 02:22
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the adaptors are not a expensive as u think. all u need is to cut 2 flange plates with a oxy or profile cutter,get 4 x 1 3/4 steam pipe bends and a flange plate to suit your turbo.i made one to suit a t04 but i sold it with the turbo. i am going to make one to suit my gt3040, i might make a few if my one turns out ok.
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Registered:
June 2002
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Re: 1G Single Turbo !!
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Wed, 21 January 2004 02:28
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What are the specs on you GT3040??
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I supported Toymods
Location:
Plumpton/sydney
Registered:
November 2003
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Re: 1G Single Turbo !!
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Wed, 21 January 2004 12:11
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If you are going to do a single turbo set up you would want at least 200rwkw from it as I have 163rwkw with stock turbos on it.
For ailencorolla that is 220hp at 16psi with stock internals the only mod is an aftermarket ecu.
Thats my 2c
BEN
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Location:
sydney
Registered:
June 2003
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Re: 1G Single Turbo !!
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Sun, 25 January 2004 22:46
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my gt3040 is rated @600hp it has a .82 exhaust housing and a
ar70 compressor cover. it cost me $2200 (trade price) from gcg turbos
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Location:
Malaysia,Kuala Lumpur
Registered:
July 2002
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Re: 1G Single Turbo !!
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Mon, 26 January 2004 08:13
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Thanks mates, please post some pics of the adapters when they're done.
cheers
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Location:
Dandenong/VIC
Registered:
May 2002
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Re: 1G Single Turbo !!
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Wed, 05 May 2004 22:07
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Hi all,
I got the t04e single turbo kit for the 1g-gte and trying to find a place thats reliable and would do the job for a fair price. I have been to three shops and one said $1900, another $1500 and the last said $1000... I would have expected around $500.. Am I wrong? The hardest part I thought would be to fabricate the dump pipe from the turbo and external wastegate? BTW Im in Melbourne...
Does anybody know of a place around Melbourne that would do the job and not try to rip me off?
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Location:
Wollongong, NSW
Registered:
October 2003
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Re: 1G Single Turbo !!
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Thu, 06 May 2004 00:49
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How much did you pay for the TO4E kit? From where did you get it? Who makes the kit?
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Location:
Dandenong/VIC
Registered:
May 2002
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Re: 1G Single Turbo !!
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Thu, 06 May 2004 11:30
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Supraman on these forums has a few for sale, search for it on these forums..
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Location:
Sydney
Registered:
July 2002
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Re: 1G Single Turbo !!
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Sun, 18 July 2004 16:09
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I usually always have 1GG T04E kits....
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I supported Toymods
Location:
Plumpton/sydney
Registered:
November 2003
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Re: 1G Single Turbo !!
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Mon, 19 July 2004 11:56
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how much are the again i forgot
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I supported Toymods
Location:
Sutho/Hills NSW
Registered:
September 2002
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Re: 1G Single Turbo !!
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Mon, 19 July 2004 12:05
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around 1500
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