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#13 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,963
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Re: Optimal Spark Plugs
I didn’t read the op’s process as all an effort to solve poor acceleration and bad fuel economy (ie throwing parts at that problem), I read it to mean he had to install all those parts just to get it moving at all. Now that it’s actually moving under its own power, he wants to tune it up to address poor accel and bad fuel economy.
Yes, R43 or R44 is a good choice. I prefer AC Delco. If HEI, increase gap as recommended above. But before you do ANY of that... pictures. I’m a Custom Campaholic ![]() |
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350 chevy small block, spark plugs, tune up |
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