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Location:
adelaide
Registered:
May 2003
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: 2t/3t hybrid
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Sun, 22 June 2003 10:02
 
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There was a thread on this a while ago but i'm stuffed if I can find it 
But i'm interested in all the details of this to.
3T-GEU with a 2T-G head.
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Location:
sydney
Registered:
April 2003
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 Re: 2t/3t hybrid
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Sun, 22 June 2003 11:56
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hey all i have just bought this car
toyota t18 and i am researching this engine to. if anyone can link old posts or repeat themselves that would be sweet!
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Location:
adelaide
Registered:
May 2003
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Re: 2t/3t hybrid
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Mon, 23 June 2003 00:12
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mate u got it easy, just try to bold the 2t head on to the 3t engine, and see what hapens...
also have u seent he prices of 3t-gte's latly adelaide jap said they were geting a 1/2 cut in 6-8 weeks, and there charging 2600+ thats crazy. No wonder everyones doin this 
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Club President
I supported Toymods
Location:
Sydney
Registered:
May 2002
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: 2t/3t hybrid
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Mon, 23 June 2003 06:22
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Hmm I did a search on 2tg last night and I didnt get any results Must of been one of them things 
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Location:
sydney
Registered:
April 2003
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Re: 2t/3t hybrid
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Mon, 23 June 2003 08:32
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 cheers toyman
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Location:
adelaide
Registered:
May 2003
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Re: 2t/3t hybrid
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Mon, 23 June 2003 11:03
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cheers dude, i searched for 2tg and not much came up, shouldve searched for 2t-g or sumin... oh well thanx again
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Club President
I supported Toymods
Location:
Sydney
Registered:
May 2002
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 3T-GTE / 2T-G Hybrid
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Mon, 23 June 2003 23:10
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The search funtion looks for an exact match so if you don't get what your after try a few options for example 2T-G or even via head number such as 88260. The search on here is good but its not perfect. Topis heading ;like this one won't come up for example as it has the slaxh right next to it and for some reason the search for 2T just doesn't bloody work at all 
If you have any more questions after reading those posts. (I'm sure you will ) Then just fire away. I am going to edit the topic heading tho so it actually shows more clearly what info you were after. Hope you don't mind.
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Location:
adelaide
Registered:
May 2003
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Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 11:04
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yes i am offended, extreemly offended, but ill get over it...
ok ill start the first question off, its sort of an confermation...
here it is, so to be able to put a 2t-geu head on a 3t-geu, i will have to fly cut my piston so they dont hit the valves? and to fly cut the pistons i will need to take the pistons out? meaning a lower half rebuild? thus making it less practical then just to buy a 3t-gteu because i will have to rebuild the engine(plus straighten the head, coz it will warp when i take it off)
would i be correct in this, also somehting about the dissy, but i got way confused then... 
cheers
shane
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Location:
sydney
Registered:
April 2003
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Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 11:48
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A interesting read. i am thinking a N/A version at this stage,any thing to consider? most of that info seems to apply to the turbo variety.
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Location:
sydney
Registered:
April 2003
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Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 11:50
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and any opinions on which computer is best?
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Location:
Hornsby, N.S.W
Registered:
September 2002
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Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 12:02
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you do not have to fly cut your pistons at all!!!
justin
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Location:
sydney
Registered:
April 2003
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 Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 13:03
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what?
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Location:
Hornsby, N.S.W
Registered:
September 2002
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Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 21:06
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the pistons dont have to be fly cut at all!!!
just whack the head on the 3t bottom end
justin
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Club President
I supported Toymods
Location:
Sydney
Registered:
May 2002
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Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 23:15
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IF you are putting a 2T-G head on a 3T-GTE then both sets of pistons will already have flycuts to suit a twincam head. The 3T-GTE also has a lower compression to any 2t_G (3T-GTE is apparenty 7.8:1 ) So depending on what cams you use you will not have to flycut the pistons.
If you use BIG lift cams then you may well need to but any engine builder can work this out for you.
Don't forget you Can always adjust your cam timing slightly so as to ensure the valves do not impact. This is not an ideal solution as the cams will not be at thei optimum timing but it is an option.
If you use a 3T-C block and pistons they will need flycuts as they are not set up for a Twin cam.
Either way you should always turn an engine over by hand after assembly to ensure nothing impacts inside.
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Club President
I supported Toymods
Location:
Sydney
Registered:
May 2002
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Re: 3T-GTE / 2T-G Hybrid
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Tue, 24 June 2003 23:26
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xxaccoxx
For a N/A Hybrid you are Basically building a Big Bore 2T-G (or 3T-G as they are also refered)
In the N/A application things are indeed different. COmpression ratio's are desired to be alot Higher so you will not be using 3T-GTE pistons. As Such 3T-C pistons can be used but they will need to be Flycut and depending on your budget a nice High compression and oversize Set can make a nice improvemet.
If your on a tight budget you can get a 1mm oversize set that yeilds 9.8:1 compression for around $300. (At least you could)
As for the best computer... Theres alot out there and there specs change all the time so get one that best suits your needs. Things to consider are the load points, Number of extra outputs, Ease of tuning, if it has a handset etc etc theres alot of considerations.
Personally the Wolf 3D or 4D looks good, I was happy with the EMS and I'll be using Autronic on the next one.
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Location:
adelaide
Registered:
May 2003
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Re: 3T-GTE / 2T-G Hybrid
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Wed, 25 June 2003 10:44
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ok ok ok, why must i get confused so easily... damn it... 
so say im going turbo, then i get my self a 3t-gteu block, and whack on a 2t-gteu head, this should just bolt up, no problems, i can drive the car away...yes?
then coz im going turbo, i will need the 3t-gteu's exhaust manifold and this will bold straight up, but the inlet wont, so i will need to get my 2t-gteu's inlet machiend to allow for the extra compressed air? or is this n ot important???
Also the whole point of doing this would be, to get low down power dude to the higher compression of the 2tgeu's head, with some boost for higher end power???
would i just be better off rebuilding a 3t-gteu engine, and winding more boost in to it???
also about ecu's would a haltec be good enough to run efi on a 2tgeu???
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