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Username Post: Timing issues
malibu27 
Forum Newbie
Posts: 66
malibu27
Loc: Harrisonburg
Reg: 03-15-15
01-01-18 08:55 AM - Post#2719641    
    In response to Shepherd

I did have it connected at the carb before. Your saying if I connect the vac can to the manifold it might not ping on light acceleration?

The engine does have a high vacuum at idle. It's at 18 inches. When the pinging occured the eninge vacuum was usually around 10 to 15 inches. I have a full time vacuum gauge so I always know what it is.
'83 chevy K20, 383, Scat Crank, Comp Cams 08-408-8, Etec 170's, sm465
'97 chevy 1500 Silverado, 350, 4L60E


Edited by malibu27 on 01-01-18 09:00 AM. Reason for edit: No reason given.
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