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5.3l dish volume??

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Old 11-03-2009 | 06:48 PM
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Default 5.3l dish volume??
Tring to figure my compression ratio and need to know what the dish volume in cc is for the stock lm7 5.3 piston. Anyone know?
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Old 11-03-2009 | 07:26 PM
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Originally Posted by Matt97Ta
Tring to figure my compression ratio and need to know what the dish volume in cc is for the stock lm7 5.3 piston. Anyone know?
http://www.angelfire.com/fl/procrastination/motor.html

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Old 11-03-2009 | 08:10 PM
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thanks for the compression calculator!

Still need the cc volume.
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Old 11-03-2009 | 08:39 PM
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I found a few places that are stating its 2cc. anyone know for sure?
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Old 12-12-2009 | 06:21 PM
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*BUMP*

I've searched like mad and can't find a definitive number, I need an answer to this!
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Old 12-12-2009 | 11:21 PM
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2cc is what everyone is saying. Id say that its pretty close to being right.

I think it would be closer to 1.5 but I havent checked one. 2cc and .030 in the hole makes gms compression ratio correct.
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Old 12-12-2009 | 11:24 PM
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Originally Posted by Matt97Ta
2cc is what everyone is saying. Id say that its pretty close to being right.

I think it would be closer to 1.5 but I havent checked one. 2cc and .030 in the hole makes gms compression ratio correct.
Mmmm...I'd like to try to find an exact number. Upon furthur searching, I found this:

Originally Posted by Matt@Texas-Speed
Wiseco now has a 5.3L piston in standard bore or .020" over so you don't have to bore the block out to 3.905" anymore! They have the pistons for stock stroke or 4" (which would be a 359ci IIRC). The stock stroke piston has a flat-top 2.2cc valve relief. The 4" stroke piston has a 7cc dish.

Let us know if we can help with your build. Of course we still offer all the LSx pistons for the bigger bore too, should you decide to go that route!
Is 2.2cc the number we're after here?
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Old 12-13-2009 | 02:14 PM
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that is for the aftermarket 5.3 pistons with stock stroke.
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