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Location:
ipswich queensland
Registered:
April 2004
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Location:
Perth
Registered:
July 2004
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Re: 3tgte bottom and 2tgeu head
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Thu, 16 June 2005 05:32
 
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of course the plumbing will be fcked up.
the 3TG inlet comes over the top of the engine, and the 2TG comes from the front.
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Location:
Perth
Registered:
July 2004
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Re: 3tgte bottom and 2tgeu head
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Thu, 16 June 2005 05:36
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I think that maybe its a better course of action to do a mild head work on the 3TG head, than switch it for the 2TG head.
the 3TG has a much better quench/squish area.
I think its true that the 2TG head flows better in stock form, but with the work done to the 3TG head, it will work out much better.
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Location:
ipswich queensland
Registered:
April 2004
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Registered:
November 2002
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Re: 3tgte bottom and 2tgeu head
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Thu, 16 June 2005 12:29
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Dude,
Your engine won't last wrong if you do what you're suggesting. You pretty much want to turbo a 2TG using the 2TG ECU.
Problem is you need to retard timing under boost, this is something that teh 2TG ECU or dizzy can't do.
Your better off either using a 2TG or a 3T GTE not a half baked solution that will cost more in the long run anyway.
Cya,
Simon
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Location:
ipswich queensland
Registered:
April 2004
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Re: 3tgte bottom and 2tgeu head
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Thu, 16 June 2005 20:48
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so basically i just gotta keep looking for a 3tgte or spend $2k to build this one, is that wat everyone is saying??
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 3tgte bottom and 2tgeu head
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Thu, 16 June 2005 22:15
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what your wanting to do sounds 100% fine to me
just have to get the haltech tuned again
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Location:
sydney
Registered:
July 2004
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Re: 3tgte bottom and 2tgeu head
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Fri, 17 June 2005 12:47
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yeah turbo hybrid sounds fine just get computer tuned.
turbo manifold lines up holes for oil and water are on the 3tg block + 2tg inlet is much better for turbos
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Location:
Pilbara
Registered:
November 2004
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Re: 3tgte bottom and 2tgeu head
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Fri, 17 June 2005 13:42
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Um there was a guy that did one of the first 3TGTEU conversions to a T18 and he managed to run it using a 2TGEU ECU... He has posts in these forums if you just search around.
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Location:
ipswich queensland
Registered:
April 2004
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Re: 3tgte bottom and 2tgeu head
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Fri, 17 June 2005 21:06
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so has neone looked into the 3tgte thermostat housing fitting the 2tgeu head??? i have noticed that this is the centre for the oil flow as the oil comes in one side and goes out 2 holes on the other side.
ne info on this will be appreciated, if no one knows i will just have to check it out wen i pull the engine out of my car.
laterdays
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Location:
Christchurch, New Zealand
Registered:
March 2004
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Re: 3tgte bottom and 2tgeu head
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Fri, 17 June 2005 22:39
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yes the thermostat block fits straight onto the 2tg head. I have done this using the 3tgteu bottom end with a 3tgeu head.
You will need to swap the thermostat/oil lines block over to the 2tg head, then the exhaust manifold and oil lines are a direct fit up from the block to the turbo.
The tricky part comes when running the oil lines back to the sandwich plate between the oil filter and block, the lines run where the 2tg dizzy mount is in the block (as 3tg run a dummy dizzy thingy) it runs right over the bolt to hold the dizzy in place so its a bit of a pain but it works sweet as.
if you are running an aftermarket computer with ign timing just lock the dizzy, or if you are running fuel only, swap the boost/retard vacuum diagphram (sp?) from the 3tgteu dizzy into the 2tg dizzy, you will probably need to redrill the arm as it is significantly longer than the 2tg one, and will put the timing way out and hence you run out of adjustment on rotating the dizzy.
That is pretty much all there is too it..
Cheers
Logan
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Location:
ipswich queensland
Registered:
April 2004
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Re: 3tgte bottom and 2tgeu head
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Sat, 18 June 2005 09:19
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ok now that is the best news ive had all day 
do u knwo if the 2tgeu elec ignition dizzy will work if i re-route the lines away from the dizzy?
thanx
and
laterdays
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Location:
Christchurch, New Zealand
Registered:
March 2004
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Re: 3tgte bottom and 2tgeu head
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Sat, 18 June 2005 23:46
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you dont need to move the lines, it all fits its just a pain in the ass thats all...
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Location:
Devonport Tasmania
Registered:
June 2004
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Re: 3tgte bottom and 2tgeu head
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Sun, 19 June 2005 10:32
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im confused here, are u still thinking of using the 2tgeu ECU.
if so just dont bother.
a 3tgte will blow pistons with the factory computer, let alone a bodged up setup.
either get an aftermarket ECU or rethink the idea.
as doing it half assed only costs u money in the long and short term.
Thats my 2 cents worth.
PS. currently rebuilding a 3tgte
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Location:
ipswich queensland
Registered:
April 2004
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Re: 3tgte bottom and 2tgeu head
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Mon, 20 June 2005 05:12
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as previously stated im building a hybrid and running the haltech f7b.
laterdays
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Location:
Adelaide
Registered:
May 2004
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Re: 3tgte bottom and 2tgeu head
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Fri, 19 August 2005 01:46
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Sorry to butt into an old thread but for those interested there is currently a TA22 running 10.4 sec Qtr miles using this kind of set up, 3T bottom end and 2TG head !, I am also planning to run this combo, no offence to anyone, but 8 plug leads just looks too busy!! compared to the smooth and tastey old school look of the 2TG !
Check out the pic's etc at the Haltech site www.haltech.com
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