Corvair Forum

That is exactly what it seems like. I've pulled the distributor and will dig into it...little else makes sense. And to Jeff's comment on weak/broken valve springs, that wouldn't effect timing in any way, though it could create some miserable running conditions.

Thanks guys...I know I can always ...

My 140 horse '65 Monza has the most peculiar timing flaw. Timing advances normally till about 1500 and then begins to retard. It retards to the point that at higher RPMs I get back fire thru the carbs. Vacuum is disconnected when I do this timing run and the previous owner insists it is the original ...