What head gasket
going to run cometic .040 but do I need 4.060 or 4.080
any input would be great
also have l92 heads shaved .015 and intake with 90mm tb
also have any input on a cam, have had these 2 recommended
its going into a heavy truck, so keeping torque in mind and ptv clearance
227 231 .605 .598 113+4
224 228 .629 .629 112+4
Too much quench area will detonate like mad. Much worse than a little bit too much static compression.
If this is a tow vehicle and you're willing to set the redline around 5,000-5,500 rpm's, you could gain a little bit of efficiency by using a little less quench.

