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Re: 48-54 OD Trans
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BDeB posted overall input shaft diameters for the two units. https://packardinfo.com/xoops/html/mod ... id=174654#forumpost174654

The senior or larger input shaft trans is only used with the 356 engine and the end of the shaft that goes into the pilot bearing is just a few thousandths under 1" on that unit. Don't have a definite number handy on the pilot end for the smaller unit but think it is around 3/4 or 7/8. In addition to pilot bearing, the clutch disc and possibly the pressure plate also would need to change to accommodate a different shaft. Throwout bearing and entire carrier assy is also different.

The senior R9 OD will also have 4 planetary pinions in the unit vs 3 for the smaller OD.

Posted on: 5/27 12:24
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Re: 48-54 OD Trans
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Ok, if y'all know what it is that's great. Still a good trans and OD unit.

Posted on: 6/7 8:00
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