1965 Ford Mustang misses at acceleration

1965 FORD MUSTANG
1,500 MILES • V8 • 2WD • AUTOMATIC
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KENPURL
  • MEMBER
  • 2 POSTS
when accerlaerating quickly the car misses, but runs fine at all other times. I checked timing. It's o.k. I was thinking it may be the vacuum advance isn't working properly, but don't know how to check it. Can you help please.
May 20, 2008 at 6:29 AM
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MASTERTECHTIM
  • ✓Experienced Mechanic
  • 4,750 POSTS
what about the accelerator pump in the carb? thats where i would look firs.
May 20, 2008 at 6:33 AM
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KENPURL
  • MEMBER
  • 2 POSTS
actually, I had replaced the accelerator pump in the carb a month ago. Thanks.
May 20, 2008 at 7:39 AM
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MASTERTECHTIM
  • ✓Experienced Mechanic
  • 4,750 POSTS
to check the vacuum advance. remove cap and install a vacuum pump to the advance and apply vacuum to it and see if the advance moves, also make sure it holds vacuum. i would also recheck that accelerator pump and make sure it did not malfunction.
May 20, 2008 at 8:15 AM
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