[TR] tr3 cooling

[Ed Oot]

David,

Could you clear something up for me, as in searching the archives on the 
yellow fan discussions I'm a bit confused. I have the front apron off my 3A 
to rebuild the steering box. With the parts that came from the PO when I got 
the car was a 6 blade yellow fan that the PO never got around to installing. 
I had told myself that if/when I had the apron off I would do it. I 
understand from your comment that it is not necessary to buy an installation 
kit. Did you mount the fan forward or backward as I have seen discussion 
about this. Also, moving the rad just 1/8 of an inch provided the necessary 
clearance? How much clearance did that give you? Did you need to modify the 
fan in any other way (one previous post mentioned having to notch the blades 
to clear the lower part rad tank.

Any other tips, suggestions,  observations are much appreciated.
Ed
----- Original Message ----- 
From: <DLylis at aol.com>
To: <rtriplett25 at yahoo.com>; <triumphs at autox.team.net>
Sent: Saturday, February 21, 2009 7:05 PM
Subject: Re: [TR] tr3 cooling


> In a message dated 2/21/2009 11:31:02 A.M. Eastern Standard Time,
> rtriplett25 at yahoo.com writes:
>
> The  original fan doesn't seem to do the best job drawing air in. Moss 
> sells
> a  conversion kit that fits the much-improved six bladed yellow fan. Cost:
> $240
>
>
>
> Wow.  I have a yellow fan on my TR3A, two friends have yellow  fans on 
> their
> TR3A, and none of us paid $240 to get this done.  I just  mounted the 
> yellow
> fan and then moved the radiator forward as much as possible  by elongating 
> the
> holes.  This is may be 1/8", tops, and it works  fine.  IMHO this 
> conversion
> kit is not necessary.
> As to the recore, you are talking about some fairly serious $.  The  price 
> of
> this job has gone way up in the last couple of years.
> What I found in my motor, and I understand that it is fairly common, is 
> that
> the coolant passages in cyliner #4 get plugged up with crud over the 
> years.
> A good way to get an idea on this is to open the drain cock on  the block 
> by
> cylinder #4.  If nothing comes out it is a pretty good  indication that 
> this
> is a contributing factor.
> If I were you I would put on a yellow fan, flush the cooling system, see
> what results you get and then go for the next step.  If you do the work 
> yourself
> you are looking at some short money.
>
> As well, check your timing and make sure it is not contributing to 
> overheat.
>
> David  Lylis
> 69 TR6 CC26160L
> 60 TR3A TS74461LO
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