Engine misfiring and stumbling

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#25 (permalink)

10-12-2011, 06:53 PM

winnipaw

CC Member

Join Date: Apr 2011

Location: Hingham, MA

Cobra Make, Engine: Backdraft 427 FE 4spd

Posts: 67

Not Ranked

Did you happen to mention if the plugs were fouled with carbon? Does the car idle OK? Choke mechanism? How about considering fuel pressure. Do you have a pressure regulator? What is your fuel pressure reading? When the car is turned off, is there any fuel visible in the venturi or throttle plate. I'm chasing all these issues at the present time, after rebuilding my Holley 2160. I've done this many times and its never a cut and dry fix. Everyone here has given good ideas. Trial and error will get results eventually.

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