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slorio · 05-19-2010, 09:12 AM

I have the GM HEI in my 1966 GMC with 305E. I am very happy with it. The HEI produces a much hotter spark than the original ignition which makes it easier to start and prevents fouling plugs. I haven't had to touch it since it was installed. The 6066gmcguy.org site has all the plans.

regards,
Steve
New Orleans

05-19-2010, 09:12 AM	#10
slorio Registered User Join Date: Sep 2006 Location: Louisiana Posts: 375	Re: '66 GMC Suburban reverse light lenses... I have the GM HEI in my 1966 GMC with 305E. I am very happy with it. The HEI produces a much hotter spark than the original ignition which makes it easier to start and prevents fouling plugs. I haven't had to touch it since it was installed. The 6066gmcguy.org site has all the plans. regards, Steve New Orleans