ANYONE RUNNING A COMP CAM XE262 IN A 340?

Dont run a bigger head gasket if anything put a thinner gasket on it
Degree it and punch it
Before i changed from 3.23s to 3.91s
Dead stop punch from idle dual plane tuned 650dp manifolds 2 1/4 exhaust
instant tire smoke tach jumps to 5500 rpm for 40 to 50 feet shift to second 15 feet and it grabs
3.91s 1st and 2nd 50 feet if i want