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Old 04-22-2019, 03:12 PM   #2
68 P.O.S.
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Join Date: Jan 2007
Location: Puyallup, WA
Posts: 1,661
Re: Chevy c10 spark plugs..

Edelbrock's recommended spark plugs for their heads are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Plugs should be gapped to 0.045" for HEI and 0.035" for points.
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72 C10 lwb fleetside -stock 350/350 combo
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