Thread: Carb problem

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I have a rebuilt 327 bored 40 over with comp low to midrange torque cam. The intake is a TR1Y edelbrock with 2 450 holleys. I have rejetted the carbs to primary of 63s and secondaries to a metering plate, not sure what they are.

The car runs like a bat on just the primaries, it hauls. When I hook up the secondaries and punch it, it dies.

I have a mallory unilite distributor and run high test gas.

Some of my friends say leave it alone, it is fasty enough, other say you have a vaccum problem. This may be true, how do I fix it.

Any help would be great,

Originally posted by Mac Daddy


Some of my friends say leave it alone, it is fasty enough, other say you have a vaccum problem. This may be true, how do I fix it.

Any help would be great,

Could be (2) 450's are too much for the 327? What else is in the mouse?

pro is on to something there, sounds like the carb are to big. if you had a vac leak it wouldnt go away when you hooked your secondaries up. mabey the secondaries are coming in to soon?