Please help me find my compression! - LS1TECH



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Please help me find my compression!

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Old 03-14-2017, 09:09 PM   #1
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Default Please help me find my compression!

Hey guys I just ordered a set of wiseco pro true dome pistons for a standard 364cu Lq4. Along with ls3 heads what kind of compression am I looking at?

So far here is my build

Pro true 4cc domes
823 heads
750 holly hp
Super Victor Intake
1 7/8 sw headers
Arp head / main / rods
Looking at cams

Everything else mainly stock. This is for a small 02 Sonoma. Would I be able to spray this motor? If so, how much? Thank you!
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Old 03-14-2017, 09:35 PM   #2
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What's done to the heads, have they been milled?
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Old 03-14-2017, 09:44 PM   #3
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Nothing but a little porting.
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Old 03-14-2017, 11:46 PM   #4
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You'll need to know a lot more, like what head gasket you're going to use, bore x thickness and if those pistons are in or out of the hole and by how much. Then after your heads are completed, milled and assembled, you'll need to cc them. Sorry no easy answer here, do your research. Here's a good place to get your answer when you get all your data.

https://www.uempistons.com/index.php...de77045375e163

Last edited by 64post; 03-15-2017 at 10:45 PM.
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Old 03-15-2017, 09:51 AM   #5
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My heads are done just mild ported 823s. Standard 4.000 bore 3.622 stroke. +4cc dome I think it was. Just want a rough estimate. Thank you
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Old 03-15-2017, 10:27 AM   #6
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contact Weisco. they will be able to get you in the ballpark
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