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CLUTCH SHAFT PILOT BEARING
#1
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Jan Alvemark
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Hi
Can anyone tell me the exact measurements of the "Clutch Shaft Pilot Bearing" (part number 421731, group 3.2092)? Or even a cross reference number of it.
I'm changing my 288 to a 327 and the bearing is bigger in the 327. I would like to find the bearing here in Europe and not having to ship it from the US with all the extra costs involved with that.
Thank in advance
/Jan

Posted on: 2/10 4:47
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Re: CLUTCH SHAFT PILOT BEARING
#2
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JWL
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I think the pilot bearings for the 288 and 327 would be the same. The 356 uses a different bearing. Is the 327 out of an Ultramatic car?

Posted on: 2/10 13:59
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And make happen
What occupies our mind... (W. Scherer)
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Re: CLUTCH SHAFT PILOT BEARING
#3
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Jan Alvemark
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Yes it was with an Ultramatic.

Posted on: 2/11 3:44
1949 Packard 2265-9 Deluxe Eight Club Sedan
1956 Packard 5647 Clipper Super Hardtop Coupe
1953 Packard 2679 Convertible
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Re: CLUTCH SHAFT PILOT BEARING
#4
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Packard Don
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A manual transmission won’t work on an Ultramatic engine without some effort and maybe even machining on the crank to install a pilot bearing or bushing. I don’t recall offhand if it’s even possible or practical to do so. Best to do research before buying and throwing parts together!

Posted on: 2/11 4:00
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Re: CLUTCH SHAFT PILOT BEARING
#5
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Jan Alvemark
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The end of the crank is machined so I really just need the dimensions of the part number I'm asking for. Then I can see if it'll work with original bearing.

Posted on: 2/11 8:42
1949 Packard 2265-9 Deluxe Eight Club Sedan
1956 Packard 5647 Clipper Super Hardtop Coupe
1953 Packard 2679 Convertible
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Re: CLUTCH SHAFT PILOT BEARING
#6
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Ross
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At the introduction of Ultramatic all crankshafts were bored to a larger pilot bearing diameter. There is not a scintilla of difficulty changing between Ultra and manual due to that fact. All the man needs is the dimensions of the large pilot bearing that was used mid 49-54. I am 8000 miles from home so can not measure one for him.

Posted on: 2/11 11:53
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Re: CLUTCH SHAFT PILOT BEARING
#7
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Jan Alvemark
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Thanks Ross for clarifying that.
The measurements are if anyone else are interested 47x15 mm.

Posted on: 2/15 6:47
1949 Packard 2265-9 Deluxe Eight Club Sedan
1956 Packard 5647 Clipper Super Hardtop Coupe
1953 Packard 2679 Convertible
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