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    92' mercruiser 7.4L 454 magnum I/O

    My question is: what typically wears first. Risers and elbow or exhaust manifolds? I have a closed fwc system. A bit of water is getting by and into the cylinders. Manifolds are sierras and 8 years old. Risers are 12 years old. I'm thinking to replace them all.
  2. D

    92' 7.4L 454 starter noise issues.

    At first I thought my starter was bad. I replaced it. What a crap job. Anyway, same issue. When cranking the engine it turns over, then there is a clanking, screech clunk sound. I let it rest. Try again. It turns over, then clank, screech. Maybe it's the flywheel gear, or alignment to the...
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