1977 Ford F 100 Runs Pretty Good Until Get 45 Give Full Throttle Spits N Sputter

1977 FORD F-100
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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
Feb 26, 2013 at 4:47 PM
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HMAC300
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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.
Feb 26, 2013 at 6:24 PM
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