5.3 head question

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Mar 15, 2006 | 06:41 PM

silverlt1ss

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Joined: Dec 2005

Posts: 94

5.3 head question

any body every take stock 5.3 heads and put ls1 2.00 intake valves in them??? if so what gains are maid and how much does the compression ratio go up with stock thickness head gaskets?

Mar 16, 2006 | 05:32 AM

teke184

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Joined: Sep 1998

Posts: 8,319

From: US 1 Mile Marker 52 in the Florida Keys

Re: 5.3 head question

i think they are 62cc chambers....and i beleive i was told that will boost your compression by .5

check out the vendors, i think most of the ported 5.3L heads have upgraded valves.