Re: MSD Distributor for 350?
The previous owner of my 1972 Cheyenne 402 replaced the OEM points distributor with an MSD pro-billet unit. It worked ok, until it didn't any more. It suffered sudden death while parked in my garage over last winter. The module failed. I located the correct points distributor, and replaced it. It had maybe 10k miles on it and 15 years.
The truck ran noticeably better with the original points unit. This is probably due to the timing calibrations, since I used only correct NOS parts to rebuild it.
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1970 K/5 Blazer CST 4WD, Bronze, 93k ACT. miles, 350, 4 speed, positraction, 16.5" x 8.25" wheel option, tilt, tach, vacuum, AM/FM, manual throttle...Dad ordered and purchased new 4/70. Currently frame off restoration in progress... 
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