Quote:
Originally Posted by blykins
To everyone reading this, Ford has a dimensional tolerance, measured from the bottom face of the gear to the distributor flange. This has to be held, or you will get wear on the gear or on the engine block itself. There's a different spec on whether the end play is taken out or present when you measure.
For instance, on a SBF MSD distributor, you push the shaft towards the rotor, taking out the end play, and the spec should be 3.995-4.005". An FE has a different dimension, 3.045-3.050". A BBF uses a Cleveland distributor, which uses the SBF dimension.
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If the tolerance is not right, it will also heat up the shaft of the distributor and cause the electronics to fail over and over again. Don't ask how I know this!
What I don't understand, why ask the question, then get good advise and not be willing to follow it?