They are great
got mine at Grainger's
Hoot58
Jefferson,Tx.
----- Original Message -----
From: David <David@gardener.com>
To: <oletrucks-digest@autox.team.net>
Sent: Monday, July 31, 2000 7:59 PM
Subject: Re: [oletrucks] Heat Questions-1955 GMC
> Jim,
>
> ToolSource has a Raytek on sale for $ 69.99. They can be found on the
> Internet too.
> I am sure this is a better price than Snap-On.
>
> This IR non contact has moved close to the top of my wish list. They are
> extremely useful.
>
> www.toolsource.com is the web address.
>
> David
> 1954 3100 5 Window
>
> ----- Original Message -----
> From: "New Mexico Jim" <ADvent@thuntek.net>
> To: <oletrucks-digest@autox.team.net>
> Sent: Monday, July 31, 2000 2:54 PM
> Subject: Re: [oletrucks] Heat Questions-1955 GMC
>
>
> In my 50 ½ ton with a late 50's 235 and a good rad (the PO, said it was
> recently
> recored), it doesn't overheat and I am running no fan at all! Only,
because
> I
> don't have one. It runs about 190º with a 190º or 195º thermostat. When I
> drive
> it at about 20 or 25 mph for a half hour or more, it does warm up some,
but
> still far from overheating. I would think it would if I left it idling.
> Check
> the radiator core with one of those pistol style IR thermometers and shoot
> it
> all around to see if there are any hot spots. The Snap On guy would be
glad
> to
> demonstrate it to you. Watch out though, that's a cool little tool. You
> might
> end up buying one. A friend of mine has one and he shot it on a rad that
> looked
> good, no mineral deposits or other crud or sealers were visible from
> looking in
> the filler neck. The outside of it looked almost like new and the IR
> thermometer
> showed just how badly that core needed attention. Three was a pretty big
> temp
> difference between some of the rows. I don't remember what the difference
> was.
>
> Jack Halton wrote:
>
> > Kevin,
> >
> > It's normal for temperature to jump up when you slow down. Less air
is
> > coming through the radiator. But it indicates that you can make some
> > improvements.
> >
> > First (and easiest) thing I would try is replacing the fan with a
> > 6-blade flex-a-lite aftermarket fan. This will do two things: increase
> > airflow to better cool the engine, and avoid the potential grief of
losing
> a
> > fan blade due to metal fatigue in the original fan blades. Use one of
the
> > rigid fans, not the razor-sharp stainless blade models. Try to get the
> > deepest pitch you can find, even if it means using a fan with less
> diameter
> > than the original model. But deeper pitch means more chance for
> interference
> > with pulleys, so you may have to try a few different models.
> >
> > My manuals don't show any provision for a transmission cooler on the
> > Hydramatic, but that doesn't necessarily mean it can't or hasn't been
> done.
> >
> > Radiator technology has improved a lot since 1955 but if your
original
> > radiator is in good shape, it should be adequate.
> >
> > I just checked CNN, they say temp in Boise was 102 yesterday! You
> > probably won't have the same problem in a couple of months.
> >
> > Jack Halton
> > 51 GMC 1/2 ton
> > Winter Park FL
> > ----- Original Message -----
> > From: "Kevin Acker" <kevack@micron.net>
> > To: <oletrucks-digest@autox.team.net>
> > Sent: Monday, July 31, 2000 8:30 AM
> > Subject: [oletrucks] Heat Questions-1955 GMC
> >
> > > Hello folks, this is my first real post to the group.
> > > I have a stock 1955 GMC suburban pickup(cameo) with the original big 6
> > > cylinder, 4 speed hyrdomatic and original rear end. I took the truck
on
> > > it's longest trip this weekend(45 miles one way). During the trip my
gas
> > > pedal foot was getting very hot, almost uncomfortable. The temp gauge
> > > was at 190 most of the way. I was driving at 55 mph all the way. The
> > > rear end gearing kind of mandates that. When I pulled off the freeway
> > > the temp jumped up to 200. After getting home and parking it she
pegged
> > > at 220. I normally don't intend to take long trips with the truck,
just
> > > short 20-45 miles trips. I have been thinking about putting down some
> > > padding with foil on each side toward the firewall ahd tranny area.
> > > Should I worry about the temp on the tranny? Should I or can I run a
> > > tranny cooler? Has any one placed a fan shroud on their 55?
> > > Should I consider a aftermarket electric fan to run after the truck is
> > > shut off to keep the temp down? Should I consider replacing the
> > > radiator(in good working condition)?
> > >
> > > Thanks,
> > > Kevin Acker
> > > Boise, Idaho
> > >
> > >
> > >
> > > oletrucks is devoted to Chevy and GM trucks built between 1941 and
1959
> > >
> >
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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