What will it run?

Scampin said

the end result is I am trying to use a 800+cfm carb on a 8:1 273 that has a single plane, and way too tall of gear.

I think I will be miles ahead throwing on a carb that more matches the size of the motor.

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I've mentioned this several times. I like the HP series carbs. A QFT or proform would serve you well too. I'm running a 950 proform on mine. My father has the 750 Qft.

Timing looks good, in a little quick for a street car but if it's working don't change it.