2JZGTE pistons in 3SGTE

Q&A regarding engines, turbos, and intercoolers and power upgrades

Postby alltracman78 » Wed Oct 20, 2004 7:50 pm

rwhp is different than awhp :wink:
Like ~6%
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Postby SuperRunner » Wed Oct 20, 2004 7:59 pm

yeah yea :P

300-350 WHP.
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Postby RedCelicaTRD » Wed Oct 20, 2004 9:05 pm

I think the 2JZGTE has lower compression which would be the only real advantage. If you are only going for 350awhp you could do that on a stock block.
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Postby SuperRunner » Wed Oct 20, 2004 9:14 pm

RedCelicaTRD wrote:I think the 2JZGTE has lower compression which would be the only real advantage. If you are only going for 350awhp you could do that on a stock block.


That could be a head design. I will have to compare the two when I get my spare(project) 3SGTE block. Should get it this week sometime.
1993 Supra - sold
1993 GS300 900rwhp
1993 Lexus SC400 - supercharged
1991 MR2
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Postby OlyST185 » Thu Oct 21, 2004 5:33 am

its the crankshaft, its damn big compared to another engine.
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Postby unknown » Sat Oct 23, 2004 2:39 am

The 2z piston is coated (skirt) from the factory. It also has a diff. compression height. They also are not available OS so you have to hope that you block will have proper or smaller piston to wall clearance otherwise you are wasting good $$ that you could easily buy a set of aftermarket 3s pistons for. If the piston to wall clearance is smaller then you can hone it to spec that is ideal. I think the compression height on the 2z is shorter so your piston will sit down in the bore some. You can correct this by decking the block so end up with a zero deck height once again. Overall unless you can get 2jz pistons for less than the dealer price of $43 each then you will be better off with aftermarket 3sgte pistons. I ordered and measured a 2jz piston from toyota been some time now so I have thoroughly checked it out.

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Postby Terboman » Sat Oct 23, 2004 12:48 pm

unknown wrote:The 2z piston is coated (skirt) from the factory. It also has a diff. compression height. They also are not available OS so you have to hope that you block will have proper or smaller piston to wall clearance otherwise you are wasting good $$ that you could easily buy a set of aftermarket 3s pistons for. If the piston to wall clearance is smaller then you can hone it to spec that is ideal. I think the compression height on the 2z is shorter so your piston will sit down in the bore some. You can correct this by decking the block so end up with a zero deck height once again. Overall unless you can get 2jz pistons for less than the dealer price of $43 each then you will be better off with aftermarket 3sgte pistons. I ordered and measured a 2jz piston from toyota been some time now so I have thoroughly checked it out.

HTH


I think this issue was dealt with by someone from the MR2 Boards a while back. I think it was NoShoes? In the end, it was not worth it modify stuff to run Supra TT pistons in a 3sgte. I think that was the "old" MR2 Boards, some time ago. They posted pictures and all kinds of crap.
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Postby unknown » Sat Oct 23, 2004 8:08 pm

Terboman--> i was a contributor in that thread as well. I obtained a piston and measured it my findings were in my post above.

That avatar should be illegal LOL...
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Postby Terboman » Sat Oct 23, 2004 9:56 pm

unknown wrote:Terboman--> i was a contributor in that thread as well. I obtained a piston and measured it my findings were in my post above.

That avatar should be illegal LOL...


Aha. Yes, I actually should have said there were a couple of guys who contributed to that thread. It wasn't just one guy. Sorry 'bout that, I'm getting old. :doh: I do remember there were comparison pictures and the final word on using this pistons was thumbs down. Jeez, that was sooo long ago.
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Postby unknown » Sun Oct 24, 2004 4:42 pm

Hey I am curious now how old is old?
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