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Correct fan blade??

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Old Nov 17, 2008 | 11:59 AM
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Default Correct fan blade??

The 18" seven-bladed fan is correct for A/C, but I'm unsure which part number is correct. The 1978 Chasis & Body Parts Catalog Chevy Corvette 1953-1978 shows 1963-66 w/C.A.C. and 1966-68 (327) w/C.A.C.--------3931002. The 1965 Judging Guide gives Part# 3853943. The 1965 Assembly Instruction Manual (AIM) gives Part# 5853943. Looks like the Guide or the AIM has a typo. Maybe Part# 3853943/5853943 superseded Part# 3931002? Does someone know which part number is correct?

1965 L79 327/350 HP with Hydraulic Lifters and A/C

Last edited by Moz Ray; Nov 17, 2008 at 12:19 PM. Reason: Added text
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Old Nov 17, 2008 | 01:06 PM
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Originally Posted by Moz Ray
The 1965 Judging Guide gives Part# 3853943. The 1965 Assembly Instruction Manual (AIM) gives Part# 5853943. Looks like the Guide or the AIM has a typo. Maybe Part# 3853943/5853943 superseded Part# 3931002? Does someone know which part number is correct?

1965 L79 327/350 HP with Hydraulic Lifters and A/C
3853943 is correct - the 5853943 number in the A.I.M. is a typo.
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Old Nov 17, 2008 | 02:01 PM
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Thanks John. There is a seven-bladed fan (Part# 3931002) on eBay which I'd like to bid on:

http://cgi.ebay.com/ebaymotors/ws/eB...3AIT&viewitem=

The 1978 Catalog does show it's correct for my application. Have any idea if Part# 3853943 (not in Catalog) superseded Part# 3931002?

By the way, "Smiles" and all text attributes, Link, Images, etc., are all disabled. Unable to click on them. Any idea why?
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Old Nov 18, 2008 | 01:03 PM
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Originally Posted by Moz Ray
Thanks John. There is a seven-bladed fan (Part# 3931002) on eBay which I'd like to bid on:

http://cgi.ebay.com/ebaymotors/ws/eB...3AIT&viewitem=

The 1978 Catalog does show it's correct for my application. Have any idea if Part# 3853943 (not in Catalog) superseded Part# 3931002?
3853943 is the correct fan for your application - that's what was originally installed on it in production. The 3931002 was a supercessive part number released later for Service as a functional replacement when the supply of the 3943 fans was exhausted. In judging, the 1002 would get a minor deduction.
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Old Nov 20, 2008 | 12:05 AM
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I actually won the 3931002 for $130!! I think I paid close to $300 on the one from Paragon. They were the only one making the 3853943 blades: they are no longer available. Confirmed this with Long Island Corvette. So, I guess I'll sell the Paragon one.

Correction to my previous post: Part#3931002 has to supersede Part# 3853943 because it is a higher number.
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