Dave,
My original 250 radiator is four rows.
Greg
----- Original Message -----
From: "David Friedlander" <forzion@maine.rr.com>
To: <6pack@autox.team.net>
Sent: Saturday, March 08, 2003 9:24 PM
Subject: Re: Radiators
> Whoa, Pete, now *that's* a different perspective and more of what
> I was really concerned about!
>
> " It seems that some of the cars are fine with a stock rad and some
> need additional help."
>
> I can see the fog real clearly now, thanks! :- )
>
> Can someone verify whether the stock TR250/6 radiator is, in fact,
> 3-row?
>
> Dave Friedlander
> CF25194UO
>
> Peter Macholdt wrote:
>
> Well, I have to jump in here as the contratian. My 250 has an engine
> with
> about 10K miles. It is in good shape as indicated by a leak-down test
> and
> the way it runs.
>
> Before last winter, it ran a bit over 1/3 on the temp gauge under
> normal
> conditions and a bit over 1/2 while idling in really hot weather.
> After last
> winter, the temp was running about 1/2 at speed and much hotter at
> idle.
>
> What happened last winter? Why, a hotter cam and increased
> compression.
>
> I tweaked the timing but could not get it to run in a comfortable
> range. The
> solution was for me to get my radiator re-cored to a 4 row (I think
> stock
> was 3 row). This helped a lot.
>
> I know I'm not the only one with this problem. It seems that some of
> the
> cars are fine with a stock rad and some need additional help.
>
> Peter
> '68 TR250
>
> on 3/8/03 8:19 PM, David Friedlander at forzion@maine.rr.com wrote:
>
> > Thanks, Dick, just as I thought. Can't understand why re-coring
> costs
> > more than a new stock radiator but life is full of mysteries, no? I
> > had also been curious if running a tweaked engine would cause the
> > radiator
> > to be stressed in normal operation. Guess that, even if that was
> true, I
> > could
> > always add an electric fan later.
> >
> > Thanks again,
> >
> > Dave Friedlander
> > '74 TR6
> >
> > Sally or Dick Taylor wrote:
> >
> >> Dave---There's nothing wrong with the capacity of the stock
> radiator,
> >> under most conditions.
> >>
> >> I went with the 7 lb. cap years ago after a bout of blowing heater
> >> control valves. This was about 15 years ago. No problems with
> >> overheating with the lesser cap. Or heater valve.
> >>
> >> Dick
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