Thread: SBC Timing Question

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Originally Posted by Skipperspride

Yes the damper (ie) Ballancer mark was on about 12 % when piston reached the very top and 0 when it started back down. This has the Big Ballancer could that be the problem ballancer if it is the wrong being too big troughing everything out of wack when engin is running

when the#1 piston is at TDC the pointer needs to be at O and the damper needs to line up on O on tha tab nothing less will do the damper size has nothing to do with any thing other then gm made two tabs for them and the 8inch dampers had different key way to damper line off sets that needed different timing tabs. are you checking the timming with the vac advance hook up ? that will do it to