Sputters bad

Tiny
ROSSCOG
  • 1972 FORD F-100
  • 86 MILES

My ford 390 with a holley 500cfm sputters badley when under a load and acceleration. But idles fine. Any ideas changed accelerator pump. Messed with timing advanced to retarded no help.

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Thursday, July 26th, 2012 AT 2:52 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,362 POSTS

Check to make sure the accelerator pump is working properly. Make sure there are no vacuum leaks, make sure the fuel pump is supplying enough fuel.

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Thursday, July 26th, 2012 AT 3:55 AM

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