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Location:
sunny coast, qld
Registered:
October 2002
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Re: 1jz pistons into a 2jz
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Tue, 23 August 2005 23:32
 
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So you are trying to make a 1.5jz using a 2jzge block? And you want to know if you can use 1jz pistons to lower compression?
I haven't heard of this being done. As the bore is the same, they will fit in there but you would need to find out if they use the little end of the conrod is the same on 1j's and 2j's. Also, I would think that even though the 1jz-gte and 2jz-gte have the same compression ratio of 8.5:1 (IIRC) that it may be slightly different when mixing and matching because of area above the piston. Actually now that I think of it, if you use 1j pistons and head it should be the same as 1j. But I don't know what would happen if you use 2j pistons and 1j head. Can't be too bad though as that is what most people do.
Why is it that you want to use 1j pistons?
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