loss of power over and misfire over 60mph
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First guess is the fuel pump/s are getting tired and cannot supply enough fuel for that engine rev/load, or the fuel filter is blocked, same result.
1977 should have twin pumps, one inside each tank. Swap tanks, IF that is your cars spec, and see if the fault is on both tanks, if so, the fuel filter is my best guess, coz 2 pumps do not normally die at the same time. If the car is a single pump spec, back to my first statement.
Of course there may be carby issues, spark plugs worn out, etc etc, but simple things first sometimes pays dividends.
1977 should have twin pumps, one inside each tank. Swap tanks, IF that is your cars spec, and see if the fault is on both tanks, if so, the fuel filter is my best guess, coz 2 pumps do not normally die at the same time. If the car is a single pump spec, back to my first statement.
Of course there may be carby issues, spark plugs worn out, etc etc, but simple things first sometimes pays dividends.
Last edited by Grant Francis; 06-23-2011 at 05:36 AM.
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njk1963 (06-23-2011)
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