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I've got a 4 cylinder Mercruiser motor I'm working on and I need help from the pros out there.
It sounds like a lawnmower when I crank it up over 2000 RPM and the idle is very termpermental. I've been told it sounds like detonation. I've tried setting the timing back and little and richening the mixture but nothing helps. Any thoughts?
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
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