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68gmsee · 08-24-2010, 10:15 AM

Not sure what it's doing...

If you've checked everything including the firing order, vacuum advance, vacuum leaks, wires, plugs, etc., then about this time, I think I'd go back to my old distributor with the points and/or try a different HEI like I mentioned above.

08-24-2010, 10:15 AM	#12
68gmsee Active Member Join Date: Jul 2007 Location: Centrally located between Houston, Austin and Waco. BCS area. Posts: 7,947	Re: setting timing in 68 c-10 with 250 Not sure what it's doing... If you've checked everything including the firing order, vacuum advance, vacuum leaks, wires, plugs, etc., then about this time, I think I'd go back to my old distributor with the points and/or try a different HEI like I mentioned above.