Re: Overheating Stumped...

[Bill M <y1topbanana73@xxxxxxxxx>]

I think the t-stat opened as it was showing flow. Can't verify the
blades on the water pump right now but it doesn't make sense that the
water pump would be fine one minute and screw up the next like you
describe (although not totally not out of the realm of possibility)

Gimme the $380 I spent for the 4-core radiator and I'll gladly put a
3-core back in it.

Bill M
65 Coronet 500 'vert http://1962to1965mopar.ornocar.com/mmo62008.html
73 Dart Sport, 00 Cherokee Sport, 05 Ram 2500 CTD, 4WD, QC, LB, Laramie
21 Model T Depot Hack, 92 Accord, 06 Mazda 3

On Sat, Aug 13, 2011 at 1:43 PM, Cam and Joanne <c.cutler@xxxxxxx> wrote:
> Run it with no thermostat and see what happens, maybe the thermostat is
> binding or not opening, Cam
>
>
> ----- Original Message ----- From: "Bill M" <y1topbanana73@xxxxxxxxx>
> To: <mml@xxxxxxxxxxxxxx>; "62-65 Mopar List"
> <1962to1965mopars@xxxxxxxxxxxxxxxx>
> Sent: Saturday, August 13, 2011 10:32 AM
> Subject: Overheating Stumped...
>
>
> So I'm trying to diagnose the issue that's causing my new 4-core
> radiator to make the car run hotter than with my previous 3-core
> radiator. Not only does it run hotter at cruising, but it starts
> getting hot IMMEDIATELY upon stopping at a light to the point of being
> scary.
>
> Basically the only thing I changed id the radiator. Car is 318 Poly
> with a mild cam, 7 blade fan, fan clutch (confirmed working), no
> shroud (never had one), now new 180 deg high-flow t-stat, spring in
> lower hose.
>
> The symptom I cant figure out now is...after testing things today and
> keeping an eye on temps w/ a laser thermometer, I turned it off to let
> it cool and scratch my head. When the rad, and upper hose had cooled
> to ~165, the lower rad hose was dead cold. I pulled it off and there
> is no restriction in the hose or the pump. I looked in the water pump
> from below and don't see anything up there either. It's not leaking
>
> Any thoughts??
>
> Bill M
> 65 Coronet 500 'vert http://1962to1965mopar.ornocar.com/mmo62008.html
> 73 Dart Sport, 00 Cherokee Sport, 05 Ram 2500 CTD, 4WD, QC, LB, Laramie
> 21 Model T Depot Hack, 92 Accord, 06 Mazda 3
>

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