SPUTTERS BAD

1972 Ford F-100

Tiny

rosscog

July, 26, 2012 AT 2:52 AM

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.

FOUND 1589 RELATED QUESTIONS

1 Answer

Tiny

Jacobandnickolas

July, 26, 2012 AT 3:55 AM

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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