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I have a 93 7.3L E40D Auto F250.
How do you tell if you have the
dual mass? I have heard that it
is a bad flywheel, why is that?
How do you know if it's going bad?
That's what I thought, but the guy who
inspected the truck the other day said
that it had the dual mass and that is
why the truck has a vibration at idle.
I don't think he knew what he was talking
about.