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6.0 truck engine build?

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Old 02-01-2009, 07:00 PM
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Guys, I am building a 6.0 cast iron truck block to put in my truck. Does anyone know if there are any hyperueretic oversize pistons for the 4.00 bore that are flat tops. Like a 4.03 LQ9 or LS2 replacement piston. Thanks
Old 02-01-2009, 07:58 PM
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yes there is, contact gm and get the part number, and go on gmpartsdirect.com and get them for 1/4 the price
Old 02-01-2009, 08:09 PM
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Originally Posted by novaflash2002
yes there is, contact gm and get the part number, and go on gmpartsdirect.com and get them for 1/4 the price
thats right!
Old 02-01-2009, 08:17 PM
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I think Speed Pro makes hypereutectic pistons as well for LSx engines.
Old 02-01-2009, 08:54 PM
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This is an LQ4 pullout build. I had purchased LQ9 rods and pistons. I am boring to 4.03 and wanted to use the LQ9 rods and replacement flat top 4.030 pistons. I don't need expensive forged pistons because this motor will only be 10.9 to 1 compression and naturally aspirated running a 226/228 585/588 114+4 cam and going in the truck. Thanks.
Old 02-01-2009, 10:25 PM
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Originally Posted by peedeerooster
This is an LQ4 pullout build. I had purchased LQ9 rods and pistons. I am boring to 4.03 and wanted to use the LQ9 rods and replacement flat top 4.030 pistons. I don't need expensive forged pistons because this motor will only be 10.9 to 1 compression and naturally aspirated running a 226/228 585/588 114+4 cam and going in the truck. Thanks.
Yes speed pro Makes them They are the same exact Pistons for an LS2 Set up. Clemonsdave just did this over on the truck side...

SEALED POWER Part # H1129CT come in STD, .020 -.50mm, .030 -.75mm

he posted a Pic on page 6 about 1/2 way down. Here is the link...

http://www.performancetrucks.net/for...=431599&page=6
Old 02-01-2009, 10:40 PM
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Is that on the truck part of LS1 tech or the LS1 truck forum? If I could bore my cast block to 4.030 and use the LQ9 rods with 4.030 hyperpuretic pistons, that is want I want to do. I have a set of Patriot stage 3 heads with 2.08/1.60 valves and a vengeance VRX3 cam to put in it. That would be fine for my 2005 RCSB Z71 truck and probably be a good naturally aspirated budget build.
Old 02-01-2009, 10:42 PM
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Originally Posted by peedeerooster
Is that on the truck part of LS1 tech or the LS1 truck forum? If I could bore my cast block to 4.030 and use the LQ9 rods with 4.030 hyperpuretic pistons, that is want I want to do. I have a set of Patriot stage 3 heads with 2.08/1.60 valves and a vengeance VRX3 cam to put in it. That would be fine for my 2005 RCSB Z71 truck and probably be a good naturally aspirated budget build.
Use the link I posted above. It is the truck side of this forum... AKA Performance Trucks.net Same user name an password work over there
Old 02-01-2009, 10:44 PM
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Here this is the specific post with the picture. You will probally need to login over there first before you can see the picture
http://www.performancetrucks.net/for...2&postcount=60
Old 02-02-2009, 09:10 AM
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Thanks for the help. Those pistons are exactly what I want to use with the LQ9/LS2 rods. May go just .020 for now, since they make those.
Old 02-02-2009, 08:45 PM
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Originally Posted by peedeerooster
Thanks for the help. Those pistons are exactly what I want to use with the LQ9/LS2 rods. May go just .020 for now, since they make those.
Any time!!! The sales guys have no Idea what the diffrenece is



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