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68gmsee · 05-21-2013, 09:22 AM

I agree with PanelD. H-balancer may be off. Check the positioning by making sure the engine is at TDC with #1 cylinder on compression stroke.

I remove the plug and place my finger in the hole (some use a cotton ball). Click the engine until you feel compression and continue moving crank until piston is at TDC (easier if all plugs removed).

Mark on h-balancer should be at "0". If it isn't, you can paint a new mark or use a file or some sharp tool to mark it. If it lines up, then check the rotor in the distributor is pointing to #1 plug. If all that lines up, you may have other problems like broken/worn cam gear.

05-21-2013, 09:22 AM	#4
68gmsee Active Member Join Date: Jul 2007 Location: Centrally located between Houston, Austin and Waco. BCS area. Posts: 7,947	Re: help me get my truck back on ther road I agree with PanelD. H-balancer may be off. Check the positioning by making sure the engine is at TDC with #1 cylinder on compression stroke. I remove the plug and place my finger in the hole (some use a cotton ball). Click the engine until you feel compression and continue moving crank until piston is at TDC (easier if all plugs removed). Mark on h-balancer should be at "0". If it isn't, you can paint a new mark or use a file or some sharp tool to mark it. If it lines up, then check the rotor in the distributor is pointing to #1 plug. If all that lines up, you may have other problems like broken/worn cam gear. __________________ 68 GMC 250/3 speed Saginaw p/b p/s 69 Chevy 350/350 currently in pieces still lookin for a cab 06 Trailblazer I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive...