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1972 Ford Mustang CAR RUNS ROUGH?

Tiny
ALJSCARFO
  • MEMBER
  • 1972 FORD MUSTANG
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I JUST REPLACED THE FUEL TAMK FUEL PUMP AND FUEL LINE ( FRONT TO BACK ) AND INSTALLED A NEW HOLLY CARB, NOW WHEN I START THE CAR IT STARTS RUNS FINE FOR 5 MINUTES THEN STARTS TO SPUTTER AND STALLS AND RESTARTS AND DOES THE SAME THING, ALMOST LIKE IT HAPPENS AS SOON AS IT GETS HOT? ANY IDEAS?
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Wednesday, July 23rd, 2008 AT 3:46 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
351? 2 or4 bbl? Manual choke or electric? Ignition stock? Any vaccum leaks Is there an EGR valve?
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Wednesday, July 23rd, 2008 AT 4:18 PM
Tiny
ALJSCARFO
  • MEMBER
  • 2 POSTS
351 2v ( edelbrock 4v intake for 2v heads electrick chock stock ignition no vacum leaks no egr valve
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Wednesday, July 23rd, 2008 AT 4:55 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Check timming then you may need to adjust air fuel ratio. First set timming then set rpm then with a vaccum gague attached and a tach. Adjust one side at a time turn screw until max vac and highest rpm repeat other side. This should help smooth out when it is cold the choke riches up, mix when it comes off carb maybe to lean.
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Thursday, July 24th, 2008 AT 4:08 PM

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