dual plug

  1. Whipster

    L134 twin spark engine.

    Had long wondered if two spark plugs per cylinder would improve performance of a Willys L134 engine, now I know it does using my seat of the pants dynamometer and a local test hill. 1944 MB Jeep engine in a 1947 Willys wagon using a circa 1986 Nissan Pintara HEI distributor which in combination...
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