Rookey Posted May 21, 2011 Share Posted May 21, 2011 Hey all, I did a quick search but I couldn't locate a thread about this and thought I'd ask... A mate's just come across a couple of stock CT12s and the centre manifold which holds then together and is wondering if anyone could list or help with what would be needed to fit these to a 2JZ-GE? As far as I can think he'd need a turbo intake manifold, turbo downpipe and restrictor ring, turbo exhaust, fmic with hard piping, turbo ecu, cam cover, turbo-block manifold, oil cooler, walboro fuel pump(?)... What else? Any help would be appreciated Cheers Dave Quote Link to comment Share on other sites More sharing options...
Noz Posted May 21, 2011 Share Posted May 21, 2011 The exhaust manifolds won't swap, he'll need a new manifold. Search clubna-t.com for more information on this. Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted May 22, 2011 Share Posted May 22, 2011 They wont fit. But if you wanted to try, you forgot the oil feeds and drains, water pipes for cooling the turbos, recirc valve, thicker rad for cooling, someway of controlling the boost, etc etc etc. Better to get a GTE engine and drop it in. Quote Link to comment Share on other sites More sharing options...
Rookey Posted May 22, 2011 Author Share Posted May 22, 2011 Why won't they fit? It's a similar block so just figured all the parts could be retro fitted, it just would have the oil spray jets internally and would have a slightly higher compression ratio? Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted May 22, 2011 Share Posted May 22, 2011 (edited) Turbos dont fit on the block, they fit on the head, the stud pattern is different. Its been covered many times before and dismissed as many times. *Edit* Just google it, heres a post from Supraforums dated 2004, tells you exactly what you need to do. http://www.supraforums.com/forum/showthread.php?225971-NA-to-TT-Conversion-TT-head-swap-info Edited May 22, 2011 by Swampy442 (see edit history) Quote Link to comment Share on other sites More sharing options...
Nic Posted May 22, 2011 Share Posted May 22, 2011 Even if the turbos were free, trying to fit them on a 2JZ-GE motor makes no sense, it'd be a lot more straight forward and probably a whole lot cheaper to buy a 2JZ-GTE motor and do a swap, or better still flog the NA and buy a TT. Quote Link to comment Share on other sites More sharing options...
Scott Posted May 22, 2011 Share Posted May 22, 2011 If you're sold on doing it get a TT head to make the job easier. You'll have the same compression as a GTE then though. Quote Link to comment Share on other sites More sharing options...
Rookey Posted May 22, 2011 Author Share Posted May 22, 2011 (edited) Well the twins were from someone who didn't know what they had so I think it was more about checking feasibility really... As for me, I've already secured a GTE to swap into my N/a Aero - just think he wants to jump on the boost bandwagon too! Cheers for your help... Dave Edited June 1, 2011 by Rookey (see edit history) Quote Link to comment Share on other sites More sharing options...
Noz Posted May 22, 2011 Share Posted May 22, 2011 Having 2 ct12's wudnt be an advantage to just going single on a GE, na-t manifolds are pre-fabricated and you could achieve the same horsepower with less cost. Probably be better to hybrid the turbo's (if in good condition) and sell them on. Quote Link to comment Share on other sites More sharing options...
Nic Posted May 22, 2011 Share Posted May 22, 2011 If you're sold on doing it get a TT head to make the job easier. You'll have the same compression as a GTE then though. Not sure if the CR would be the same as a GTE with the GE pistons and GTE head. Quote Link to comment Share on other sites More sharing options...
Scott Posted May 22, 2011 Share Posted May 22, 2011 Not sure if the CR would be the same as a GTE with the GE pistons and GTE head. Ahh I thought it was the head/gasket combo that made the difference. I didn't realise the pistons were different Quote Link to comment Share on other sites More sharing options...
Nic Posted May 22, 2011 Share Posted May 22, 2011 Ahh I thought it was the head/gasket combo that made the difference. I didn't realise the pistons were different Yeah I think the GE pistons are different, although I'm not that familiar with the GE motor so could be wrong. Quote Link to comment Share on other sites More sharing options...
Noz Posted May 22, 2011 Share Posted May 22, 2011 The GTE pistons have a dish on them, the GE pistons dont. they are made from the same material with the same manufacturing method. If you have a GE with a TT HG, the CR drops to 9.2, using TT pistons and a GE HG the compression drops to 9.1. Using BOTH it drops to 8.5 which is the GTE oem CR i beleive? I could be 0.1 out on one of those, but the CR are only slightly different either way. Quote Link to comment Share on other sites More sharing options...
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