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Re: [Fot] TR6 Rad Fan Extension

To: "Don Carter" <>, <>
Subject: Re: [Fot] TR6 Rad Fan Extension
From: "Geoffrey Byrne" <>
Date: Tue, 27 Mar 2007 23:38:46 +1000
The Triumph sedans do not have the extension , they use a short hub about
1.25 inch thick to which the fan bolts . I have been running and Aluminium
replacement on my race car for a number of years with no problem . A grade 5
bolt is fine with harden flat washer under head . Dont use spring washer .
locktite it.
Suggest you also check the harmonic balancer while your at it,  we have a
lot of problem with the outer ring spining on the hub , makes ignition
timing interesting if you are not aware of it
Geoff Byrne
TR6 racer Aus
----- Original Message ----- 
From: "Don Carter" <>
To: <>
Sent: Tuesday, March 27, 2007 7:36 AM
Subject: [Fot] TR6 Rad Fan Extension

> I am putting an electric radiator fan on the engine side of my new
> and wondered if any have had the same problem having enough clearance
> between the rad and the fan mounting extension.  I have just got back from
> one of Houston's best fastener places and got three sizes of fine thread
> bolts that are shorter than the original machined bolt that that will also
> attach the extension to the end of the crank.   I was planning to saw the
> extension in half (or so), leaving just enough throat on the darn thing to
> hold with a pipe wrench, whilst tightening the new bolt and washer.  Is
> there an easier way that I just can't see, or will this method work?   I
> believe the base of the extension needs to go back on the harmonic
> because of the fit it has over the crank with the two pins insuring it not
> to spin while the original fan is pulling air. I've got almost no room in
> front to make the electric fan a pusher due to an oil cooler.  Is
> hack-sawing this thing off OK?   Does anyone make a spacer with an inside
> taper to fit over the pins that will clean this mess up?  If so please let
> me know because I've got a hack-saw in one hand and a computer in the
> [demime 1.01d removed an attachment of type image/jpeg which had a name of
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