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**Raylo** · 06-26-2009, 01:27 PM

No, lifters would not affect timing. But you could have some valves maybe not opening much or perhaps even some excessive overlap between intake and exhaust. Could make it run bad.

06-26-2009, 01:27 PM	#4 (permalink)
Raylo TSF Enthusiast Join Date: Feb 2006 Location: Maryland, USA Posts: 525 OS: XP Desktop, Vista HP Notebook, XP Notebook	Re: Problems with 1972 Chevy 307. Help!! No, lifters would not affect timing. But you could have some valves maybe not opening much or perhaps even some excessive overlap between intake and exhaust. Could make it run bad.