rpm

  1. Shamoke

    RPM limit

    've looked around and haven't seen any posts about the rpm limits of the 7.3 IDI. The tach caution line is set at 3400 but that seems extremely high to me. I had my 88 F-350 5 speed on the highway yesterday and got up to 65 mph with the tach reading 2400 ish but that engine sounded like it was...
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