You can safely bore a 5.3 block out to 5.7 then stroke away as much as you want.
You can safely bore a 5.3 block out to 5.7 then stroke away as much as you want.
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2007 Sierra crew 5.3 4wd, stock for now
2004 Sierra scsb 5.3 - sold
02 Z28 SLP cold air pack, Corsa exh, Center Force dual friction + 23 lb flywheel
66 Chevy C20 (collecting dust)
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