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Kirkham Motorsports

 
 
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Old 04-14-2002, 09:12 AM
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Join Date: Apr 2000
Location: Leesburg,, VA
Cobra Make, Engine: ERA Cobra #273, 427 S/O, ERA GT-40 #2057, Excalibur Cobra.
Posts: 1,011
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Thumbs down Gt-40 Cooling (or Lack Thereof).

HEY, BOB,

THANKS TO ALL OF YOU GUYS - ESPECIALLY TED. THE RADIATOR IS IN, THE A/C COND. IS MOUNTED, THE FIBER GLASS IS TRIMMED;

AND THE DARN THING STILL RUNS HOT !!!

AMBIENT AIR TEMP HAS BEEN BETWEEN 50 & 70 F.

AS LONG AS I CAN MAINTAIN 30 - 35 MPH OR BETTER THE H2O TEMP STAYS BETWEEN 170 & 190. (MOSTLY VERY CLOSE TO 180) AS LONG AS I DRIVE VERY "MODESTLY".

WHEN I "GET ON IT" THE TEMP WILL RISE TO 200 F.

WHEN I'M BELOW 25 MPH OR STANDING IDLE IN TRAFFIC THE TEMP HAS CLIMBED TO 220F AT WHICH TIME I HAVE GOTTEN OUT OF THE "CREEPER LANE" AND RISKED A TICKET BY JUMPING INTO THE "HOV" LANES WHERE I COULD GET SOME SPEED.

LONG STORY SHORT: IT'S ACTING JUST ABOUT THE SAME AS IT DID WITH THE OLD RADIATOR & COOLING FANS. A GREAT WINTER CAR BUT NOTHING THAT I CAN DRIVE IN GENERAL IN WARMER MONTHS.

THE COOLANT CONSISTS OF 25% PRESTONE; 75% DISTILLED WATER; AND TWO BOTTLES OF REDLINE WATER WETTER.

I HAVE NOTICED THAT OCCASSIONALLY - NOT ALWAYS - WHEN I SHUT THE ENGINE DOWN THE IGNITION SWITCH AND KEY ARE VERY HOT. THE FACT THAT THIS IS INTERMITENT AND "MAY" BE RELATED TO THE COOLING FAN OPERATION - - IS IT POSSIBLE THAT THE COOLING FAN CIRCUIT MAY BE TAKEN OFF OF THE IGNITION SWITCH AND NOT RUN THROUGH A RELAY?? IF THIS IS SO - IN ADDITION TO THE POSSIBILITY OF TURNING THE GT-40 INTO A "CAR-B-QUE" COULD IT BE CAUSING A SUFFICIENT VOLTAGE DROP TO THE FAN MOTORS TO REDUCE THEIR RPM AND EFFECTIVENESS??

I'M REALLY GETTING FRUSTRATED "DESPERATE" . I'D LIKE TO BE ABLE TO DRIVE THE GT-40 TO CARLISLE AND TO DVSFII.

SECOND ISSUE: I RAN OUT OF GAS FRIDAY NIGHT ON THE WAY HOME AROUND MIDNIGHT. THE LEFT FUEL GAUGE READ ALMOST A HALF TANK AND THE RIGHT GAUGE READ OVER 1/4 TANK. MY FIRST THOUGHT WAS "FUEL CONTAMINATION" AS THE CAR HAD NOT BEEN DRIVEN IN ABOUT SEVEN MONTHS. NOT THE CASE - WHEN I TOPPED THE TANKS BOTH TOOK ABOUT 9.1 GAL. THEY HAD BEEN "BONE DRY". I KNOW THAT I'VE SEEN THE GAUGES READ LOWER THAN THEY DID FRIDAY WITH THE ENGINE STILL RUNNING. COULD SOMETHING HAVE HAPPENED TO THE CALIBRATION BECAUSE OF THE EXTENDED PERIOD OF NON USE?? WHERE DO YOU SUGGEST THAT I START LOOKING??

ANY THOUGHTS OR HELP WILL BE GREATLY APPRECIATED.

Y'ALL HAVE A REALLY GREAT DAY,

BLACKJACK
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