<VV> Early vs Late Fan

[Bob Gilbert]

Thanks to everybody who replied. I should have noted that the fan I had was
a 64. My friend and his lathe made short work of the differences between the
center holes and the large fan hub. The retaining holes were identical.
Regards,
Bob


-----Original Message-----
From: Bill Hubbell [mailto:whubbell at verizon.net] 
Sent: March-03-12 10:23 AM
To: Mel Francis
Cc: Bob Gilbert; virtualvairs at corvair.org
Subject: Re: <VV> Early vs Late Fan

Just to confuse the issue, the 1964 fan is exactly the same style as the
65-69 except for the bearing holes. 

Additionally, there are two different styles of earlier fans -the "open
center" style seen on 1960-61 and the "vaned center" style for 62-63.  I do
not have the exact dates that they changed over from the first style to the
2nd. 

Bill Hubbell

On Mar 3, 2012, at 10:07 AM, "Mel Francis" <mfrancis at wi.rr.com> wrote:

> The lighter, late fan design, resists fan belt tossing better than the 
> early design.
> 
> While the early fan does flow a bit more air, it is a bunch heavier 
> and its inertia causes the belt to stretch, then bunch up during fast 
> gearchanges.
> 
> Mel Francis
> 
> ----- Original Message -----
> From: "Bob Gilbert" <bgilbert at gilberts-bc.ca>
> To: <virtualvairs at corvair.org>
> Sent: Saturday, March 03, 2012 11:46 AM
> Subject: <VV> Early vs Late Fan
> 
> 
>> Hi,
>> Other than the different hole in the middle and the retaining bolts 
>> on a different radius are there any other differences between an 
>> early and a late fan? I have a friend who could drill out the main 
>> hole for me plus drill new holes in my early fan/pulley to make it 
>> fit my late bearing hub.
>> Before I say yes, is there any reason that I shouldn't do this?
>> Thanks,
>> Bob
>> 
>> 
>> 
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> 
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