Quote:
Originally Posted by grunt67
My son bought this 72 K20, I had thoughts that the motor was not stock, or it was made into a 4X4, I will look at vin # and see what that says, thank you for the interesting information . It is pinging so bad I told not to drive it, it also has a MSD 6A with a 600 Edelbrock carb, trying to solve the bad pinging ,tried setting the timming back , but did not help. Have a lot of looking into to do.
Thank you so much for your help.
Grunt
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You might try running a higher octane fuel if you running 86 or 87 in it. If it's got high compression this could be your problem