1970 Ford F-250 6.4L Backfire low power
Lacks power under acceleration. Randomly backfires through the carburetor. Idles [...] discrpancy between cranking and running compression tests is puzzling. Confirmed cam timing with Picoscope.
FIX posted 4/22/2020
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Message Closed w/FIX
Vehicle Data1970 Ford F-250
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Message Closed w/FIX
Vehicle Data
1970 Ford F-250
VIN | F25YKJ1475 |
Engine | 6.4 L / 8 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | Carburetion / 2BBL Autolite 1450 |
Emissions | None-PCV |
Symptoms | Backfire Low Power |
Occurs | Under Load, Under Load |