A number of us have installed big aluminum radiators sold by the circle
track aftermarket companies. Mine works so well that even on an 85 degree
day, I have to install a thermostat to get the temp up to 180.
Mine is a Griffin, which I purchased through a Moline, Illinois parts
supplier, The Car Shop. The radiator cost less than $180.Their website is
www.carshopinc.com
Not only are their prices very low, but they ship the same day and I often
get my parts the day after ordering.
My TR4 uses a 19" x 22" unit, and I've tried two outlet arrangements
because I damaged the first radiator in a shunt. My present installation,
which I like the best, has the outlets upper right and lower left. My
filler cap ended up lower than the top of the engine, so I had a Moroso
filler tig welded to the top of the aluminum water outlet on the top of the
head. If you would like to see what I did for plumbing, drop me an email
and I'll send photos.
My TR4 so installation may be different on a TR3, but I think Larry Young,
on FOT, installed the same thing in his TR3.
At 12:54 PM 7/11/2005, Joe Boruch wrote:
>I put in a new Oil Temp gauge for my race at NHIS this past weekend and
>was surprised to see the temps going to 260 during the race. The old
>gauge was 25+ years old. Not sure if it was the old gauge or the new one
>that is the issue or if the temps are really that high. On the cool down
>lap it did, however come down to 200. In previous years 220 was about as
>high as it would go. Water temp was 210. I took the screen off of the
>back of my grill and water dropped to 200 and oil peaked at 240, so the
>extra air helped (it was also a 20 deg. hotter day after removing the screen).
>
>I already have 2 oil coolers, but am using a stock looking/size TR3
>aluminum radiator. I would like to change over to a wider crossflow
>radiator and since I am racing SCCA so the rules allow it. Does anyone
>know of an off-the-shelf (i.e. not too expensive) crossflow aluminum
>radiator that will work in a TR3? I understand that some hose rerouting
>will be needed. Joe(B)
>
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