Quote Originally Posted by robot View Post
No vacuum advance? That seems strange for a street driven car.
Quote Originally Posted by NTFDAY View Post
Good possibility that's where his problem lies
Help me understand why that would be temperature related? I'm leaning to mixture since it runs great immediately on cold start, but within one to two minutes and temps up to 150F it falls off. The only thing changing during that time is the choke unless the HEI is breaking down. What am I missing?