Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 750 double pumper or vacuum secondary
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Old 11-12-2010, 10:50 AM
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Just quickly review some of your old posts I can see a few things.
The cam you have is way too big for how you actually drive your car.

And it is most likely a mis match for your exhaust system.
That cam is not in the game below 2500 rpm.

You are retarding the spark timing to allow running regular gas cause you are too cheap to put good gas in the tank yet want to spend $1000's on EFI.

Retarded timing is going to effect throttle response.
Especially if it was never right in the first place. Just checking your posts,
it is not near right for that cam. Needs a lot lot of work.
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