The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Need Advice! Do I Need a New Camshaft????

**MySons68C20** · 11-19-2019, 03:42 PM

Do you have a Mityvac tool? You can apply vacuum while the engine is running and see at what vac point the timing moves and how much.
Just another way to see what the adjustments are actually doing.

11-19-2019, 03:42 PM	#65
MySons68C20 Senior Member Join Date: Sep 2014 Location: Wenatchee, Wa Posts: 897	Re: Need Advice! Do I Need a New Camshaft???? Do you have a Mityvac tool? You can apply vacuum while the engine is running and see at what vac point the timing moves and how much. Just another way to see what the adjustments are actually doing.