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Generation III Internal Engine 1997-2006 LS1 | LS6
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Old Feb 3, 2004 | 12:52 AM
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Ok here is what I got. I have a 6.0 block out of a 99 full size truck and I also have a set of 6.0 heads off a 2001 truck. What do u guys think my compression ratio would be? And what kind of cam do u guys think i sould go with and yes Im going to spray it?
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Old Feb 3, 2004 | 08:43 AM
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Originally Posted by OrangeSS
Ok here is what I got. I have a 6.0 block out of a 99 full size truck and I also have a set of 6.0 heads off a 2001 truck. What do u guys think my compression ratio would be? And what kind of cam do u guys think i sould go with and yes Im going to spray it?
Compression will be zero...you have no pistons or crank.
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Old Feb 3, 2004 | 11:20 AM
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Originally Posted by crainholio
Compression will be zero...you have no pistons or crank.
ok let me reword it for ya. I have a 6.0 short block out of a 99 fullsize truck. All the internals are stock
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Old Feb 3, 2004 | 07:44 PM
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come on aint there any of u sponsor that can help me
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Old Feb 3, 2004 | 11:07 PM
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ok whose dick do I got to suck on here to get a response
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Old Feb 3, 2004 | 11:28 PM
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Just mine!

Find a manual that came with the truck or drop by your nearest dealership and ask them. I think it was 9.7 but don't quote me.

As for the hummer, your place or mine. J/K
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Old Feb 4, 2004 | 01:29 AM
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Originally Posted by OrangeSS
Ok here is what I got. I have a 6.0 block out of a 99 full size truck and I also have a set of 6.0 heads off a 2001 truck. What do u guys think my compression ratio would be? And what kind of cam do u guys think i sould go with and yes Im going to spray it?
You C/R is going to depend on your pistons.. If when you mention the '99 block, it's a complete shortblock, it will have the dished pistons. In that case it will have 9.4:1.. With the flat tops, Escalade pistons you would have 10.0:1..

The LQ9 is the 6.0 HO with flat top pistons. The LQ4 is a low compression 6.0 with dished pistons. They share the same heads, both having 71.06cc chambers..

Check info here:
http://www.gm.com/automotive/gmpower.../apps/vehicle/
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Old Feb 4, 2004 | 02:21 AM
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So then the cast iron heads and the aluminum heads are the same. They dont change the compression the pistons do. All I would have to do to get my comnpression up is either change the pistons or get the heads shaved?
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Old Feb 4, 2004 | 03:50 AM
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yup yup
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Old Feb 4, 2004 | 11:50 AM
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thanks and do u think this cam would be good. 231/237 598/598 @112
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Old Feb 4, 2004 | 09:03 PM
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That's a badass cam from what I read..
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Old Mar 11, 2004 | 03:07 AM
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Default 6.0 heads
what would my compression be if I put stock aluminum 6.0 heads on my stock ls1 block?
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Old Mar 11, 2004 | 04:04 AM
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About 9.5:1 - 9.6:1.........
Kyle
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