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Generation III Internal Engine 1997-2006 LS1 | LS6
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LS1 Vs. LS6

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Old Aug 15, 2006 | 11:29 AM
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Default LS1 Vs. LS6
Can you guys list every difference between both engines internally.


Would be nice to have a sticky of everything different.
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Old Aug 15, 2006 | 11:54 AM
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There is one already out there. Search for it.

For starters, though: LS6 block has ported oil passages, better intake, heads, springs, oil pump, and cam.
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Old Aug 15, 2006 | 01:32 PM
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Also, it depends on which LS1 you are comparing.

A last year f-body has some of the LS6 parts already (intake, possibly block).
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Old Aug 15, 2006 | 03:21 PM
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Stickies are in the newbie section.
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Old Aug 16, 2006 | 01:46 AM
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Thanks for the help thus far. I am building a forged LS6 and just want to see which parts I should go after for some things like rockers, fuel rails etc if there are any difference to LS1 parts. I know the basic differences to both engines but would really like a low down comparison. I will now check out the sticky to see if it helps me.
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Old Aug 16, 2006 | 04:25 AM
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Need to know the year of the LS1 to compare. I have an 04' GTO and there are very few differences between my engine and the LS6? Cylinder heads, timing chain, camshaft, is about it!
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Old Aug 16, 2006 | 08:46 AM
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Originally Posted by Camaroguy22
Thanks for the help thus far. I am building a forged LS6 and just want to see which parts I should go after for some things like rockers, fuel rails etc if there are any difference to LS1 parts. I know the basic differences to both engines but would really like a low down comparison. I will now check out the sticky to see if it helps me.
Are you just building a forged LS6 block or do you have the heads and the cam as well?

If you are just building a forged LS6 block. There are no differences when ordering aftermarket parts for the motor as a LS1. Your heads, cam , and the rest of the valvetrain choices will be the same.

EDIT: I just saw your setup in another thread.. nm.
Last edited by Keenov; Aug 16, 2006 at 08:55 AM.
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