1976 Chevrolet K20 Custom Deluxe 6.6L pings
Got this problem from another shop, This engine pings uncontrollably, even with timing retarded to 20 degrees total! Customer runs 91 octane fuel, checked emissions under load and it runs within the proper perameters, not too rich and not too lean! rebuilt car...
FIX posted 8/30/2011
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Message Closed w/FIX
Vehicle Data1976 Chevrolet K20 Custom Deluxe
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Message Closed w/FIX
Vehicle Data
1976 Chevrolet K20 Custom Deluxe
VIN | CKU246Z131 |
Engine | 6.6 L / 8 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | Carburetion / 4 bbl quadrajet |
Emissions | fed, no cats, no EGR |
Symptoms | Pings |
Occurs | Hot, Under Load, on Accel |
Misc. | Pinging Uncontrollably |