grumpyvette

hello , I recall you being the chevy guru maybe you can help me. new 406 chevy dart heads 10.5 -1 performer rpm intake.msd 6al probillet dist.750 holley double pump comp hydraulic roller .524 int .536 ex 220 -222 duration at .050 the two header pipes on the passenger side fron # 2 and # 4 not getting hot at all compared to rest. I have done all of the following checked compression (180 pounds) spring pressue 125 closed fuel pressure 5-6 pounds removed the power valve rejetted ,65 front and .75 back checked for vacuum leaks( I have 20 pounds of manifold vacuum) I am about to freak out I have literally been working on this since thanksgiving day. no matter what I try it doesnt fix it oh and by the way new plugs and readjusted valves til face is blue replaced all pushrods today