Are all 1UZ's the same?

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Feb 8, 2007 | 10:41 PM

HI98GS

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From: 808state

Are all 1UZ's the same?

I am wondering if the bottom end of a 96 SC400 is essentially the same as a 98-00 GS? If anyone knows please tell me.
Thanks

Feb 8, 2007 | 11:10 PM

Spyder78

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From: NY

I dont think so.

Feb 8, 2007 | 11:19 PM

trbopooh

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From: hell

check out this chart from lextreme's website. it shows the compatability of parts from the different v8 motors.

http://lextreme.com//forums/attachme...9&d=1156818465

Feb 8, 2007 | 11:57 PM

ElitistK

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From: CA

there was a total of 2 revisions of UZ. First version is the 250hp one, second one is the one in '97 SC with 270-280hp? third one is with vvti on the gs400 with 300hp.

Feb 9, 2007 | 06:37 PM

jgscott

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From: GA

Quote:

Originally Posted by ElitistK

there was a total of 2 revisions of UZ. First version is the 250hp one, second one is the one in '97 SC with 270-280hp? third one is with vvti on the gs400 with 300hp.

No, no, and no.

1. There are 3 different variants of the 1uz, 91/92 - 95 LS4 and SC4 ( 250hp ), 96-97 LS4 and SC4 ( 260hp ), and 98-2000 LS4 and SC4 and ( 290hp ) GS rated 300hp.

Blocks are same but rods and pistons are different.