IF RUNS PRETTY GOOD UNTIL I GET IT UP TO 45 THEN...

  • Tiny
  • Anonymous
  • 1977 Ford F-100

If runs pretty good until I get it up to 45 then give it full throttle it spits n sputter what could be the problem

Tuesday, February 26th, 2013 AT 4:47 PM

1 Answer

  • Tiny
  • hmac300
  • Expert
  • 43,014 posts

It could be a needing a carb overhaul or a vacuum leak. The power valve and accelerator pump go bad in those. Also check in the distributor for the vacuum advance pin worn as well as the pivot on the plate where pickup coil is mounted.

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Tuesday, February 26th, 2013 AT 6:24 PM

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