08-21-2009, 09:04 PM
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CC Member
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Join Date: Apr 1999
Location: cleveland,
OH
Cobra Make, Engine: CSX4000, 427
Posts: 1,999
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Not Ranked
Quote:
Originally Posted by DanEC
It has the long pilot bearing tip on the inut shaft that I understand I will have to cut back to use with a 428 motor. It has some wear in a band about 1/2 inch to 1 inch out from the splined section. The first 1/2 inch or so from the splined section looks good. Looks like the worn band has lost about .003 in dia. Most of this will be cut off when I shorten the tip and what is left will not be much worse than a gentle bevel on the tip. So, I'm thinking this probably won't be an issue - does that sound reasonable? I will probably put a rebuild kit in the transmission and if I need to replace the input shaft I want to do it at the same time.
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Sounds reasonable. Replace 2nd gear no matter what. Check the synchro teeth on all gears, the small teeth around the gears, for excessive wear. Usually, they are still in good shape on 1st gear, so compare 3rd and 4th (input) to 1st gear teeth. You may want to replace 4th gear (input) shaft with a new one, large spline from Kee anyways, and leave the small main shaft. Actually some of the original 427 cobra's came with big in-small out trannies.
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