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Fan Clutch Number Help

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Old 05-19-2007, 05:08 PM
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Moz Ray
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Default Fan Clutch Number Help

Does anyone know which of the following GM part numbers is correct for the fan clutch for a 1965 327/350 air-conditioned car? The AIM lists the number as 3814560/3814137 opt, but the Part Number Service sheets (by Glenn Mitchell Cost Estimator, 1971) lists the number as 3916139 for the 327 engine and 3916141 for the 427 engine.

1963-67 Chevrolet Corvette OEM Part Number Lists:

http://cgi.ebay.com/ebaymotors/ws/eB...ayphotohosting

Last edited by Moz Ray; 05-19-2007 at 05:23 PM. Reason: Picture
Old 05-19-2007, 08:05 PM
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Kensmith
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Originally Posted by Moz Ray
Does anyone know which of the following GM part numbers is correct for the fan clutch for a 1965 327/350 air-conditioned car? The AIM lists the number as 3814560/3814137 opt, but the Part Number Service sheets (by Glenn Mitchell Cost Estimator, 1971) lists the number as 3916139 for the 327 engine and 3916141 for the 427 engine.

1963-67 Chevrolet Corvette OEM Part Number Lists:

http://cgi.ebay.com/ebaymotors/ws/eB...ayphotohosting
I have the 3916141 for my 65 327/365 motor with 7 blade fan set up for A/C. This is the correct fan clutch for my car per John Z.
Old 05-20-2007, 09:31 AM
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Moz Ray
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Thanks Ken. As mention in other threads of this Forum, and as you know, there is much confusion regarding the correct application for the fan clutch. The NCRS TIM&JG states for Big Blocks, "The face of the clutch is typically stamped with the letters "CK" in black ink." For Small Blocks, “The face . . . “CJ” black ink.”

I’ve searched and searched (auctions, parts suppliers, and Online classified ads) and have been unable to find the 3814560/3814137 part. Corvette America and Paragon technical folks told me, unless one can find a used-original fan clutch, then the 3916141 replacement is the only choice. Confirms what John and others have said.




Info from the NCRS forum also confirms this:
http://www.ncrs.org/forum/archive21....es/read/168501

Some general info:
http://www.ncrs.org/forum/archive10....mes/read/53238


Moshe

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