RE: IML: Cooling Issues
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RE: IML: Cooling Issues



Jay,

 

I can’t imagine driving in 115 degree heat w/o the air on.  I drive my 67 everywhere with the air on all the time.  But I did experience an abnormally high temp gauge reading.during a recent trip out in the valley where is was 104 degrees.  And that was at freeway speeds.  Turning the A/C off immediately brought the temp gauge back into the normal range.  I suspect I may be running a bit too lean and will have to fatten it up a bit when I go thru the carburetor.

 

Your description of high temps in stop and go traffic leads me to believe that the fan clutch is not working properly.  It’s an item many people overlook or ignore.  I replaced mine with an original Mopar part.  The ones I’ve gotten from the local parts houses fail quickly.

 

You also mentioned that the engine had recently been rebuilt.  It’s quite possible the cooling tubes in the radiator are clogged with debris from the water jackets flowing into the radiator.  This happens frequently after engine rebuilds.  I have an in-line filter in the radiator hose to trap all debris before it gets to the radiator.

 

Ken

67 Crown 4 Dr Ht

 


From: mailing-list-owner@xxxxxxxxxxxxxxxx [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On Behalf Of JAY D'ANGELO
Sent: Friday, July 07, 2006 6:50 PM
To: mailing-list
Subject: IML: Cooling Issues

 

Here in Las Vegas, the summer temperatures routinely reach 115 degrees.  When I drive my 64 convertible, I usually don't have any problems.  The temp gauge will go to 3/4 and pretty much stay there.  This is wtithout the AC on.

However, if I do some real slow driving, like bumper to bumper strip cruising or in a parade (which I do a few times a year), it pegs out and the car starts pinging until I can get some air flow going.  I don't have the AC on in this condition, obviously.

Everything has been rebuilt under the hood, including the engine, the water pump and radiator.  I just redid the AC compressor and attendant parts and at freeway speeds there is no issue.

Around town is what concerns me.  I want to install an aux. electric fan(s).  The smallest I can find is 10 inches with a housing dimension of 11.5 X 12 X 2.  The center nose support brace prohibits anything larger and I was thinking of putting two 1250 cfm fans on.  But, it will be tight in the space allowed on the front of the AC condenser (22" wide).

Each fan will draw about 5 amps.  I'm told the standard alternator is only putting out around 60 amps and the ten more would likely create a problem.  NAPA suggested a higher power alternator and a change in the voltage regulator.

I was unable to find anything related to my issue on the website.  Anyone with suggestions to help me?

Thanks

Jay D'Angelo
64 Iml Cvt
Las Vegas


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