Anybody know the cc's of the stock 5.3 heads? Can they be milled? To what cc?
Anybody know the cc's of the stock 5.3 heads? Can they be milled? To what cc?
2013 2wd Z71 6.2 crew cab
Old Truck: '04 Chevy crew cab stroked/bored 6.0 to 408ci. forged internals, patriot 68cc stage 3 heads (11.1:1cr), comp 244/246 .600 115lsa cam, 3000 yank tc, built 4L60E, walbro 255, 60# mototron injectors, pacesetter lt's 4" single no-cat exhaust
best time 12.93 1/4 mi @ 103 in the turbo truck.
1968 Camaro Convertible, super sweet!
dont quote me Brandon, but I think 62. Also, you can mill them a little, but I wouldnt mill for compression. Mill just to clean them up.
'92 GMC reg. cab, step side. 7.32@ 92.3. SOLD
http://videos.streetfire.net/video/d...d700c6401f.htm
New project: '00 S-10 ext. cab, ZQ8, 370, T-56, daily driver.
61.15 cc and .030 max on mill.
<div class='quotetop'>QUOTE(stssilverado @ Dec 19 2006, 08:26 AM) [snapback]76704[/snapback]</div>Yes, but I don't know by how much... buddy did some heads last year, but I won't say on what truck.Can they be milled?[/b]
5.3L '86 Silverado (E/T: 14.37s @ 94mph) - First Time Out!Test-n-Tune (Nov 23, 2008) - 13.65s @ 98mph
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