Mopar 318 Magnum Engine Combustion Chamber
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The R/T Magnum has an already efficient combustion chamber that was cleaned up during porting. Due to the small-bore size of the 318, about the biggest valves that will fit in the hole are the 2.02/1.60 pieces the Performance Crankshaft team used. The Champion spark plug still looks brand new, indicating a perfect tune. View Related Article
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