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    Shouldn't the starter spin connected to battery

    The drive will spin somewhat freely in one direction, that is the overrun clutches working. It should be harder to spin in the direction it locks up so it can spin the engine. The commutator looked fairly good from the picture. I could not see the brushes. The starter draws about 45 amps during...
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    Shouldn't the starter spin connected to battery

    The starter in your Mustang is a field wound unit. The starter relay is mounted on the fender. The lump you are describing is the cover for the movable pole piece. The acts as a switch for the pull in and hold in circuits on this starter. Just connecting ground to the block does not insure a...
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    Flywheels and flexplates

    If the ring gear does not have a chamfer on it, you can flip it over and re-use it. It will take some work to do this. You will need an Arbor press with adjustable fingers and an oven that can reach 450F. Center the flywheel and use lift blocks to get it off the main table about 2". 6 to 8...
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    V8 starters, revisited

    Due to the tight space around the 302, Ford was forced to go to a smaller diameter flywheel / flexplate. The flywheel weight had to be increased to allow for proper inertia to keep the engine running smoothly. In this time frame, Ford ran the manual and auto flywheels at 2 different depths, just...
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    V8 starters, revisited

    From years of working on Ford starters, one thing remains true.. at Ford, engine and transmission were 2 seperate empires. Up until the latest versions of Ford starters, the PM ( permenant magnet ) starters, Ford had an automatic and a manual version of its starters. The easiest way to tell an...