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Reply to "Edelbrock Thunder AVS 650 Carburetor"

Shah, I've used the Summit carb on my previous Pantera and my current Longchamp, both around 300HP. I used the 600 Vac with excellent throttle response right out of the box. Vac sec carbs can give just as good throttle response as a double pumper if set up properly. Part# is SUM-M08600VS, remember to buy SUM-220104, that is leak free as opposed to the standard hardline. And of course the tuning parts that are unique to this carb:
SUM-M08060
SUM-M08040 optional
SUM-M08041 optional

I don't have the Summit carb on my current Pantera, I use the carb the engine builder MME put on and with 600HP a 750 carb would be too small.

quote:
it was originally a Holley model 4010 carb, but the carb, as manufactured by Holley had issues, and it never was a big seller for them.

I had one of those on a 82 Z28, never got it to work perfectly and it seemed to change its own adjustments.
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