Thread: 390 Galaxie 4 speed - how to put it behind a 289?
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Old 08-22-2006, 02:47 PM
blykins blykins is offline
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The input shaft is not shorter....but the pilot is at the end of the input shaft. A SB pilot is 1.125". A BB is .750". A big block pilot may not be long enough to engage the pilot bushing.

You could call David Kee and ask him....but to change that input shaft is a nice little project. You have to pull the clustergear shaft out and drop the clustergears to the bottom to allow the input shaft to come out.
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