5.3l dish volume??
11-03-2009, 06:48 PM
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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?
11-03-2009, 07:26 PM
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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.
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.
12-12-2009, 11:24 PM
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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!
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!
