Fan Blade Identification

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Sep 5, 2010 | 06:19 PM

Burnt71

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Le Mans Master

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From: Lancaster PA

Fan Blade Identification

How can I identify or date a fan blade ? I have what I believe to be a 70 LT-1 fan blade , 5 blades 17 1/2 dia. The only marking on it is the letter " H ".

Sep 5, 2010 | 06:25 PM

Jclgodale3

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Joined: Nov 2004

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From: North Alabama

The ones I've seen have the part number stamped on the back of one of the blades. Not sure about an actual date

Sep 5, 2010 | 06:37 PM

Burnt71

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From: Lancaster PA

Also has a "W" stamped on the back.

Sep 7, 2010 | 07:44 AM

Burnt71

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Le Mans Master

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From: Lancaster PA

No part numbers stamped on any blades. Anybody know for sure how to date these ?

Sep 7, 2010 | 03:12 PM

joewill

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From: Indy Indiana

according to my ncrs book, cars without A/C use a 5 blade fan without a date code, a/c cars have 7 blades

Sep 7, 2010 | 03:23 PM

Burnt71

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Le Mans Master

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From: Lancaster PA

Quote:

Originally Posted by joewill

according to my ncrs book, cars without A/C use a 5 blade fan without a date code, a/c cars have 7 blades

Thanks ! BTW what ncrs reference book are you using and what years does it cover ? Oh and where did you get it ?

Sep 7, 2010 | 03:24 PM

Burnt71

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Le Mans Master

Joined: Jul 2004

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From: Lancaster PA

Quote:

Originally Posted by joewill

according to my ncrs book, cars without A/C use a 5 blade fan without a date code, a/c cars have 7 blades

Didn't think any of those LT-1s had AC ?

Sep 7, 2010 | 08:24 PM

joewill

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Joined: Sep 2007

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From: Indy Indiana

Quote:

Originally Posted by Burnt71

Thanks ! BTW what ncrs reference book are you using and what years does it cover ? Oh and where did you get it ?

they are everywhere, try ncrs site 30$, or many of the corvette parts houses, or this:

http://cgi.ebay.com/1970-1971-1972-7...item563d95811d

Last edited by joewill; Sep 7, 2010 at 08:39 PM.

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