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Ol' Ron · 07-03-2010, 03:50 PM

Buy an advance kit form several outfits Summet has them. Use the black bushing and the lightest springs. Install Vac. adv. Install in engine disconnect Vac, bring engine up to 2k set timing to 20*, that should put initial at 4* depending on winch model Delco dist you have, because they have different adv slots. Nopw using manifold vac. and timing light add vac. this should increase the timing about 6-8 degs.

The problem is you don;t have is you don't have a degrees marked on the crank pulley, This bafacates most people. I f you can remove the pulley you can mark the pullet in 5,10,15,20 25,&30. Measure the diameter of the pulley and divide by 360.

Hope this helps. When building an engine, get the piston to head clarance as tight as you can,40-50 thou. Makes all the difference in the world.

07-03-2010, 03:50 PM	#16
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,985	Re: running dual carbs Buy an advance kit form several outfits Summet has them. Use the black bushing and the lightest springs. Install Vac. adv. Install in engine disconnect Vac, bring engine up to 2k set timing to 20, that should put initial at 4 depending on winch model Delco dist you have, because they have different adv slots. Nopw using manifold vac. and timing light add vac. this should increase the timing about 6-8 degs. The problem is you don;t have is you don't have a degrees marked on the crank pulley, This bafacates most people. I f you can remove the pulley you can mark the pullet in 5,10,15,20 25,&30. Measure the diameter of the pulley and divide by 360. Hope this helps. When building an engine, get the piston to head clarance as tight as you can,40-50 thou. Makes all the difference in the world.