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1971 Chevrolet Chevelle 502CID Pinging
Posted to GM Driveability on 10/3/2008 53 Replies

Try to set Timing at 8 deg btdc and with 30 deg total advance and motor will hardley run and spit through the carb, if I set base timing to 35 to 40 deg btdc with no advance hooked up it runs great has plenty of power but pings under hard accel decrease timing...

53 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1971 Chevrolet Chevelle

VIN 1D37H2B587
Engine502 / 8 cyl
DeliveryCARB / 4 BBL
SymptomsPinging
OccursOn Accel
Misc.502 Ho Crate Motor 1000 Miles on Motor
Message Closed w/FIX

car Vehicle Data

1971 Chevrolet Chevelle

VIN 1D37H2B587
Engine502 / 8 cyl
DeliveryCARB / 4 BBL
SymptomsPinging
OccursOn Accel
Misc.502 Ho Crate Motor 1000 Miles on Motor