500ci block overheating... - Page 2
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500, 472, 425, 368 Discussion, 500ci block overheating... in Cadillac Engine Technical Discussion; Where would I stick a mechanical temp. gauge on the block? And lower radiator hose has a spring, I'm running ...
  1. #16
    JvS
    JvS is offline Cadillac Owners Member
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    Jun 2004
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    Thread Starter

    Re: 500ci block overheating...

    Where would I stick a mechanical temp. gauge on the block? And lower radiator hose has a spring, I'm running a brand new starter and battery, and the fan doesn't have a clutch, the blades flex. Pretty frustrating . I'll keep at it (first real project car, have plenty of time for it while I find a job since I'm outta school now)

  2. #17
    Imprl59 is offline Cadillac Owners Fanatic
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    Re: 500ci block overheating...

    If its just temporary you can run the engine up to normal operating temp with the radiator cap off and the bulb dropped down in the radiator. You can also remove the standard temp sending unit and plumb it in there... They come with several fitting but last time I did this on a different brand it took a little help from Home Depot to do it. May be other places as well.. Hopefully you will more ideas from others on this forum.

    Steve B.

  3. #18
    JvS
    JvS is offline Cadillac Owners Member
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    Re: 500ci block overheating...

    Would a bad transmission make a block burn up by any chance? Took the pan off of it, found metal shavings in it... And it doesn't shift at all right. Transmission is being torn down, guy at the shop will get back to me with that tomorrow hopefully.Waiting on radiator details. Want to get it all out of the way before I spend even more on exhaust and tires all around .

  4. #19
    lux hauler is offline Cadillac Owners Connoisseur
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    Re: 500ci block overheating...

    The tranny not being right could definitely over work the engine causing it to over-heat. Whether or not that's what is happening with yours, I couldn't really say.

  5. #20
    JvS
    JvS is offline Cadillac Owners Member
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    Thread Starter

    Re: 500ci block overheating...

    radiator checked back fine . Think I'm down to transmission after checking timing and cooling. Will keep updated if it was the transmission, maybe this would help others with overheating. If it wasn't... Well, I'll still stick around and hassle you all for help

  6. #21
    Asakha is offline Cadillac Owners Member
    Join Date
    Apr 2004
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    8

    Re: 500ci block overheating...

    I would say it is the transmission, especially if it doesn't shift into 3rd... The engine just keep reeving too high, depending on the speed you were driving.

  7. #22
    JvS
    JvS is offline Cadillac Owners Member
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    Thread Starter

    Re: 500ci block overheating...

    Alright... God the problem solved, finally . Turned out, when it was 'overheating' originally, was because the engine ran too hard in 2nd gear. After I put the new transmission in, I got all my gears (even my beloved reverse!) and the engine didn't seem to work as hard as it used to. My timing was retarded little, and I fixed that also. My negative cable from battery was 6gauge, and burned up, why the starter didn't work right, so I replaced that with 2gauge. Works better than ever . Thanks for the replies, led me in the right direction. Now, on to the thousand or so lights, switches and thingies in the cab.

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