Quote Originally Posted by pat mccarthy View Post
yep i said that on post#6 your going to want to check vacuum in gear with your foot on the brake and 1/2 of what you read on vacuum is what you want for a power valve of 4.5 that s how i done it .as for a miss could be fuel low psi or they never fail much i would be using a nother coil just to check the one you have
So i checked the power valve and it is a 4.5 and i used another coil, cap, and distributor, and changed the carb. Still the same problem, i took it to a mechanic tonight. Is 125 psi compression good for a big block with flat top pistons?