[Paso76GMCstepper]

Thanks for all the replies they are very helpfull. Since we are on the subject the reason I think I need a new one is my timing was set at 10 and slowly creeps its way up to 17 BTDC. The mechanic that did my smog is really good doesnt try to get you to buy anuthing you dont need. He said it looked like the dizzy. Do u guys have any ideas. It starts perfect runs great doesnt pop but has no top end power, which is due to the way advanced timing. He said my vaccuum advance may not be working. He said chasnge it out. He didnt try to push me to have him do it. Even gave me the Napa part # for the replacement.

Any comments would be greatly appreciated