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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Mar 2010 Posts: 1,660 Curmudgeon | | Curmudgeon Joined: Mar 2010 Posts: 1,660 | I believe the original 6V ignition with points and condenser will have a coil that can produce maybe a maximum 30,000 (30KV) volts but it only takes around 8-12KV to fire a stock spark plug under normal load. Being that you already have the Pertonix Ignitor, I would go with the company's recommendation.
"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."
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