<VV> Early vs Late Fan

[Ron]

Bob Helt explains it all in his first book.
RonH

----- Original Message ----- 
From: "Bill Hubbell" <whubbell at verizon.net>
To: "Mel Francis" <mfrancis at wi.rr.com>
Cc: <virtualvairs at corvair.org>
Sent: Saturday, March 03, 2012 10:23 AM
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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