4.8 & 5.3 Heads The Same?
#3
smaller chambers? That may not be a bad idea if they do have smaller chambers. You could port em, put valves in em and bring your comp ratio up without the hassles of milling. Thats IF they are smaller. HMMM
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bbowerman
GM Engine & Exhaust Performance
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Jul 26, 2015 10:57 PM




