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greg64 · 07-20-2008, 04:30 PM

I'd agree with all of MX's info. The 4 speed tranny is likely an SM-420. Besides the obvious clean up stuff you mentioned, you might want to look at Pertronix or a later HEI distributor to get rid of the points.

Good luck with your project, I want to see pics as I like the heavy stuff.

07-20-2008, 04:30 PM	#6
greg64 Registered User Join Date: Dec 2007 Location: Kimberley, BC, Canada Posts: 799	Re: 65 C60 I'd agree with all of MX's info. The 4 speed tranny is likely an SM-420. Besides the obvious clean up stuff you mentioned, you might want to look at Pertronix or a later HEI distributor to get rid of the points. Good luck with your project, I want to see pics as I like the heavy stuff. __________________ Greg 64 GMC Suburban - 283, NV3500, 14 bolt 77 C10 swb - 292, SM465, 12 bolt