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factorystock · 07-03-2009, 01:08 PM

Engine specs are plugs .035 , timing 4 BTDC @ 600 rpm. Other things that may cause rough idle are vacuum leak and low compression. Check intake manifold gasket and carb connections for vacuum. Check compression for worn valves or rings.

07-03-2009, 01:08 PM	#3
factorystock Registered User Join Date: Feb 2007 Location: west coast Posts: 3,399	Re: 292 tune up question Engine specs are plugs .035 , timing 4 BTDC @ 600 rpm. Other things that may cause rough idle are vacuum leak and low compression. Check intake manifold gasket and carb connections for vacuum. Check compression for worn valves or rings.