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  1. J

    Are 88 to 95 4.3 mercruiser stock roller or flat tappet cams?

    Can I jump to 1.7 rollers on stock valvetrain or just stay with 1.6 as a easy upgrade. All stock is it flat tappet or roller cam 88-95? Thanks guys!!
  2. J

    Interested in just knowing about the 4.3L MerCruiser engines.

    Gen 2 4.3 mercruiser hp rating
  3. J

    4.3 spark arrestor replacements

    I want to get a new spark arrestor for a 1988 4.3 mercruiser without spending a boat ton of money while increasing performance overall. After all more air in out! For efficiency and power. Or just a can of cleaner instead as mine is not crushed or damaged. Just want to make my boat run great...
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