Thread: Timing Issue? I wish I could get this thing to stop pinging!

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yes you can pull 52 with vac adv thats why i ask what the vac was when it pinged you do not want 52 under a mid load if your hi on vac. your pulling adv and your rpm will be pulling more mechanical adv as rpm s go up you want to be droping the timing out under a load .unhook the vac and set timing as hi as you can get to 32 or 36 see if it will start with out bucking the start off the engine if it seams ok take it for a ride and see how it runs then work with a re curve kit .i have not played with a GM dist in 20 years . use the MSD set them up all the time for blower engines hi CR race engine and street strip.air boats .offshore boats. EZ to set up they have a limt bushing to set the curve in the dist i put about 10to12 on the crank and the rest in the dist use a lite sliver and lite blue spring it all comes in at about 2800 .they are pricy but you can tune them in for just about any job