Olds 307 and 403
Well-known member
Yes, try that, should stop the pinging. Reset the timing to stock, if you backed it off.
1978 442 clone
- Thread starter Steve1978@
- Start date
- Nov 27, 2021
- 18
- 7
- 3
That did it plugged the vacuum advance set timing 20 Degrees runs like a new car no pinging I gave it a good run
thanks again
steve
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