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Classique71
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May 2002
throttle body inlet adaptor Sun, 30 November 2003 12:32 Go to next message
has anyone got a idea of what to use to make an inlet manifold/throttle body adaptor

My gt4 runs what i think is a 50mm diaameter inlet off the intercooler , and the Grp a Intercooler setup im planning to get has a 55mm outlet ..

is there any spacers/reducers available on the market to adapt the 55mm otlet onto the 50mm throttle body - or would it be better to get some sort of piping adaptor made up to suit when it comes in ? ..
sorry im not overly specific - still getting details on how to perform the swap ..

[Updated on: Sun, 30 November 2003 12:35]

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Grega
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Re: throttle body inlet adaptor Sun, 30 November 2003 19:27 Go to previous messageGo to next message
stu, easy, go to an exhaust shop - get a piece of 2" pipe and get them to "expand" one end of it for you - they put an oversized fitting in one end normally and it "flares" or "opens up" the section larger. done using hydraulics - is very good.

otherwise you can get that silicone tubing stuff - i know they make bits that go from the turbo outlet side to like larger OD intercooler pipe (meridian motorsport have them) - maybe give em a call?

hope this helps.

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Necros
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Re: throttle body inlet adaptor Mon, 01 December 2003 12:26 Go to previous messageGo to next message
Dude,

If your going to go to the effort of getting the group a bumper, hood, intercooler etc I wouldnt skimp on the throttle body, just buy one from toyota ;p Or get one second hand...
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Classique71
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Re: throttle body inlet adaptor Tue, 02 December 2003 07:00 Go to previous messageGo to next message
id love to find one second hand but there are not many group a motors lying about for spares !

the one out of your old group A is being sold complete - so thats a no go ..

ill enquire at toyota and prepare to be reamed again .. or see if i can have one custom made..

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Necros
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Re: throttle body inlet adaptor Tue, 02 December 2003 12:09 Go to previous messageGo to next message
Custom will probably be the cheapest option!!! Mabey a 70mm throttle body from a XF would be the go? You should have a litte bit of room to play with...

Btw what did all of the NEW grp a parts end up costing?
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Classique71
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Re: throttle body inlet adaptor Tue, 02 December 2003 12:21 Go to previous messageGo to next message
the bumper bits so far about 650 dollars ..

the rest - still waiting on the final bill but it should just be over a grand
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Necros
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Re: throttle body inlet adaptor Tue, 02 December 2003 13:05 Go to previous messageGo to next message
Dude.... They ripped u on the bumper! I paid about $500 for mine ;0 But mabey there just more expensive now?

I did the ring around all of melbourne as prices do vary and I also said trade price Smile But toyota in geelong came up best! Good service too, except they got me a std bumper to begin with ehhe well that and the 5 week wait.
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Grega
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Re: throttle body inlet adaptor Tue, 02 December 2003 20:36 Go to previous messageGo to next message
the XF TB is 68mm FYi.
shit if the stock gp a throttle body is 55mm, then get one from a VN - dime a dozen and 65mm - shit i have one you can have stu!
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sideshow
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Re: throttle body inlet adaptor Tue, 02 December 2003 20:55 Go to previous messageGo to next message
changing throttle bodies is a big job
especially on the 3sgte where the intercooler piping comes right up to the throttle body

u might start the throttle body conversion then find out its more of a job than u thought

like necros said just goto toyota and get a new one

this is an expensive job goin from non water intercooler to water intercooler

would have been cheaper to get a front mount made
then u could have sold yr original intercooler
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Classique71
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Re: throttle body inlet adaptor Wed, 03 December 2003 01:37 Go to previous messageGo to next message
Actually i priced a front mount - it was more expensive to buy then the bonnet and water to air intercooler setup combined !
It shouldnt work out too expensive to do as long as all the mounting brackets are with the intercooler setup .. It has all the hardware + piping intact as far as ive been told , so in thory it should bolt up without any need for modification, except to the throttle body

necros - $659 bucks approx included:
brand new bumper ( 280 new )
mounting bar ( 100 second hand )
large mesh insert ( 169 new )
2 side inserts ( 90 new )
Water spray kit off a group A for heat exchanger ( 20 second hand )

T0 paint it and the rear bumper will cost about $400 ish , though im waiting now to put it on until my group a Bonnet arrives - getting it all sprayed at once

Not just the bumper.

Re throttle body - id prefer one that goes straight on - so ill be looking into either a custom made adaptor , or a genuine grp A item.

If ive gone this far to make it like a group a - I might as well get a group a throttle body.

When its all said and done im going to have a car thats better than a stock Group A anyway mechanically - so thats not too bad IMHO

heh - mind you - 6 months ago i hadnt planned to go the full panel conversion or the water to air intercooler setup. Its amazing how logic goes out the window when your offered good parts for good prices Wink



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Necros
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Re: throttle body inlet adaptor Wed, 03 December 2003 02:51 Go to previous messageGo to next message
A few other things for ya list ;p

Grp A Shifter (there a lot shorter, or a TRD short shift kit would be even better)
Grp A Clutch pedal setup (not sure what parts are different but the pedal has a shorter stroke)
Grp A Altenator (80A I think)
Grp A Rear bumper reinforcement (Lighter)
Grp A Cam Belt Snorkel (Takes air from that hole next to the vent in the bonnet)
Grp A Rear Torsen LSD (Im 99% sure the std 185's dont have LSD, plus I know some one who has one for sale)
Grp A ECU (Justen might sell it seperate, but aftermarket is a better idea anyways)

Im pretty sure there is a few more small things, I have a press release document stating all the difference at home if you want it?

Btw did you get a 185 or 205 WTA I/C?
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Classique71
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Re: throttle body inlet adaptor Wed, 03 December 2003 07:23 Go to previous messageGo to next message
Grp A Shifter (there a lot shorter, or a TRD short shift kit would be even better)
Thats coming with the 205 gearbox

Grp A Clutch pedal setup (not sure what parts are different but the pedal has a shorter stroke)

That can be adjusted if needs be - though im happy with the clutch throw i have

Grp A Altenator (80A I think)

Ill have it rebushed when it carks it - for now - its getting plenty of power

Grp A Rear bumper reinforcement (Lighter)

I checked on this - its possible to get it - but overall not worth it to save a few KG's

Grp A Cam Belt Snorkel (Takes air from that hole next to the vent in the bonnet)
This one im gunna try to look into - to see if the cambelt cover i have can be modified to accept the snorkel without buggering it

Grp A Rear Torsen LSD (Im 99% sure the std 185's dont have LSD, plus I know some one who has one for sale)

The aussie ones have the group A torsen LSD in them ( i asked neal bates - you know - the rally driver guy )
We also got the Steel shafted turbos like the group A in the aussie ones - also confirmed by neal so no need to swap this bit when highflowing it ..

If hes wrong - ill be annoyed - greatly

Grp A ECU (Justen might sell it seperate, but aftermarket is a better idea anyways)

Got this covered - See wolf EMS in the list in my thing below - Map sensored instead of AFM too , capable of a shitload more fuel maps etc etc, And its a 2 stage system ( ie different levels of mapping for race/road conditions by switch flick) ..

Re the intercooler setup - it was a complete Group A st185 unit ..

[Updated on: Wed, 03 December 2003 07:26]

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Necros
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Re: throttle body inlet adaptor Wed, 03 December 2003 07:53 Go to previous messageGo to next message
Sounds like youve got all bases covered dude! Good stuff...

I think you guys are right about the LSD, redbook is saying youve got the LSD too ;p

With the cam belt cover, its the rear part that has a hole in it between the oil filler and the other chunk of metal on the opposite side of the head. If you dont have the hold it wont be hard to change it ;p

Id love to see how the AE86 compares to the GT4 in the twisties, and good places to cruise around colac? I know some good ones in geelong ;p Ive even got a dirt road hairpin 2 min from home! So if u ever wana cruise lemme know!
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Classique71
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Re: throttle body inlet adaptor Wed, 03 December 2003 08:34 Go to previous message
chuckles - angle grinder and dremel job i think Smile

re twisties - im still elarning how to really get the gt4 dancing but i can assure you its bloody good thru the bends - with the new suspension in it .. the lower stiffer ride makes one hell of a difference on the way it feels over sligtly rough country bends ( and the ocena road )

grip is awesome - so far ive driven it quite fast - but it felt like it could handle a lot more pushing , though ill wait till i get it on the track to really cut silly ..

Dirt wise its direct - as youd know from having yours - but i try to keep it calm on the unsealed stuff - - admittedly im not the best dirt driver - nor want to be - i much prefer black stuff inder the tyres

re sprinter vs gt4 - i still think the gt4 would be better - unless the sprinter had a power upgrade + suspension brakes upgrade .. then id say both would be pretty much paralel except for mid corner speed where the 4wd helps
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