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73stepside · 08-29-2003, 02:50 AM

10 on the cr is high but with vortecs you can retard the timing and probably not get any detonation and be happy with the power output. i've heard that vortec'd motors do not reqiure nearly the amount of initial advance than non-vortec'd motors.

08-29-2003, 02:50 AM	#10
73stepside Registered User Join Date: Feb 2002 Location: Moore OK 73160 Posts: 974	10 on the cr is high but with vortecs you can retard the timing and probably not get any detonation and be happy with the power output. i've heard that vortec'd motors do not reqiure nearly the amount of initial advance than non-vortec'd motors. __________________ 04 GMC Sierra RCSS 70 CST LWB 04 HD Sportster 1200 Custom