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Re: Substitute for TR3A fan.

To: Angelo Graham <>, triumphs@Autox.Team.Net
Subject: Re: Substitute for TR3A fan.
From: John Cowan <>
Date: Wed, 12 Nov 1997 23:41:30 -0800 (PST)
   Previous threads on this topic warn of a dangerous oscillation at about
5400 RPM with the non-standard fan.  This is interesting since there has
also been mention of the six-bladed plastic fan being standard on some
later TR-4As.  TRF catalog offers it as an option and I'm thinking of
installing one on my own TR-4A.  Its a lot less expensive than a metal

John Cowan

At 08:38 AM 10/15/97 -0400, you wrote:
>Good day fellow listers:
>At a recent British car meet I noticed a few TR4A's running what appeared
>to be TR6 plastic fans on the fan hubs.  Wasn't able to track down the
>owners to find out about this.  Anyone know about this "conversion" & what
>is involved?  I'm assuming the same conversion would work on a 3A, but you
>would loose the hand crank bolt.  Any more effective cooling with a multi
>blade, plastic fan?  Thanks for any leads.
>Angelo Graham
>1959 TR3A
>Waterloo, Ont. Canada

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