Mechanical or Vacuum Secondaries?

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1 Post By jhv48

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#11 (permalink)

04-20-2021, 04:29 PM

Grubby

CC Member

Join Date: Nov 2007

Location: Clayton, IN

Cobra Make, Engine: ERA 838

Posts: 1,140

Not Ranked

I changed a 428 stroker from a 750 vac secondary to 850 double pumper and you couldn't tell it was the same car.

The throttle response was way better and overall power seemed to be more.

John

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