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Thread: 52 head in a 53

  1. #11
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    Apr 2011
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    The biggest difference I noticed on the heads was the spark plug location. I was trying to get the whole head in the picture; a close up may be better.
    There are a couple of deep vertical scores near the top of the bore; maybe 1/2" long. If you look close at the pictures of the pistons, there are deep nicks in the edge of the pistons. I am thinking I have to replace pistons for sure. Perhaps pulling and doing a complete rebuild would be better??? Compression in order 1-8 was 40, 53, 70, 30, 60, 40, 70,70

  2. #12
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    Here are some pictures of the bore
    Attached Images Attached Images

  3. #13
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    better pics

    Here are a few more photos. I think the head is going to work, but I.m thinking I have replace pistons at the least. I tried to get a better picture of one of the pistons. I'm looking for opinions. I think I should pull the motor and do a complete rebuild.
    Attached Images Attached Images

  4. #14
    The spark plug location will be where the '53 head gains its 5hp over the '52 head. You may want to hang on to the '53 head, someone may want it.


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  5. #15

    '52 head

    If you are concerned, perhaps use '52 pistons if you are re boring.

    Where are you located, frank?

    Ben

  6. #16
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    I am in Maine Ben

  7. #17

    location

    Quote Originally Posted by frank-k View Post
    I am in Maine Ben
    Shucks, I was hoping you were close by. I would enjoy helping on a straight eight rebuild. Guess I will just have to do my own.

    Ben

  8. #18
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    Got back out in the barn today after a long hiatus...working every weekend and got wrapped up in another project car. I decided I am going to pull the motor and do a complete rebuild/overhaul. Can anyone recommend a machine shop/re-builder in the northeast with straight 8 experience?

  9. #19
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    I finally got around to pulling the motor!
    Attached Images Attached Images

  10. #20
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    I had trouble attaching the picture last night.
    Attached Images Attached Images

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