RE: 1/4 X 28 5/8" long flat head screws:
MSC cat# 67394486 box o' 100 for $ 10.98 in Zn Plated steel
pg.1399 in the big book
Cat# 67862847 box o' 100 for $ 17.18 in Unbrako 5/32 hex key
drive p.1302
Bob W.
-----Original Message-----
From: Power British Performance Parts, Inc.
[mailto:britcars@powerbritish.com]
Sent: Thursday, November 18, 1999 1:39 PM
To: Triumphs
Subject: Re: TR3 fan & door hinge bolts
Power British Performance Parts, Inc. wrote:
> JSB wrote:
>
> > Greetings,
> >
> > Any collective experience in fitting the yellow plastic radiator fans
> > supplied on many TR4/6s on TR3? I've been told (by a fairly reliable
> > source) that these fans can be fit backwards on the TR3 giving more
effcient
> > cooling.
> >
> > Additionally, I'm havng trouble tracking down the TR3 door hinge screws.
> > None of the big three suppliers have them. Any suggestions on an
> > alternative (cost effect) source? Is there any "industry reconginized
> > description" of these screws?
> >
> > Thanks in advance for all advice.
> >
> > Jim Brady
> > Leawood, KS
> > 1960 TR3A
> > 1973 Stag
>
> Jim, the yellow fan will bolt up to the pulley extension on your '3, but
it has a
> recess that if fitted backward would offset the fan rearward about 1". I
don't know
> if your source is suggesting that for clearance or for increased air flow.
The yellow
> fan blade is curved slightly along it's profile (unlike the metal TR-3/4
ones) and I
> think that reversing it's direction would create some kind of unwanted
turbulance as
> the curve would then be in the opposite direction.
>
> As for the door hinge bolts, they are 1/4-28 UNF with countersink heads.
You should
> be able to get them from any good fastener supply house or mail order from
MSC or
> McMaster-Carr.
>
> Good luck!
>
> Regards,
Sorry, I just looked them up and couldn't find them in MSC's book. They are
in
McMaster-Carr in either slotted, phillips head, hex head, or torx head. All
styles
available in mild and stainless steel.
Regards,
Brian Schlorff '61 TR-4 '64 TR-4 '72 TR-6 '79 Spit
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