camarozz383

iTrader: (3)

hey guys what is the maximum i could shave my 243 5.3 heads to bump up compression?

camarozz383

iTrader: (3)

nothing?? I know someone knows something

LS5.3stang

iTrader: (4)

i wouldnt go over .040 you will have intake alignment issues.

camarozz383

iTrader: (3)

got to be someone who knows a more concrete answerwhat is the most i can shave while using GM 5.3 mls gaskets with the cam specs below? thanks

2008 5.3
243 heads
cam 219/233-553/536 109 lobe separation
edelbrock intake
MSD 6LS2 ignition
750 holley carb

camarozz383

iTrader: (3)

anymore info? thanks

camarozz383

iTrader: (3)

To the top

slowbu

iTrader: (4)

I want to know to on this I'm doing a carb 5.3as well an want to know the max on shaving the heads

Quick Ranger

iTrader: (2)

I would measure ptv clearance before milling the heads, then you will know what you can mill them to.