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  1. #1

    Searching for Detroit Diesel 12v71 TA exhaust manifold

    My manifold cracked and I need a replacement--it is not the typical 12-71 manifold, it is specific to the TA, part number 23504184

  2. #2

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    I've got an extra 12v71 TI manifold, and a new one is about 6-7 hundred. The TA manifold is going to leave a mark. Call Powerline Components...

  3. #3

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    Google search: add states 12v92 but it's the same part #

    https://boatfairy.com/ads/pair-of-de...4184-for-sale/

    What happened to the repower plans?
    CRICKET
    1966 HAT50C101
    Purchased 1985 12v71Ns
    Repowered 1989 with 8v92TI
    Repowered 2001 with 3406E

  4. #4

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    2K is more than a mark. Oh well it is what it is.
    SEVEN
    1979 53' MY Hull #563
    Antioch, California

  5. #5

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    Ouch. Look in Boats& Harbors, you might find one cheaper.

  6. #6

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    the repower is still in the discussion

    we discovered coolant had been in cylinders 3,4,and 5 which lead us to believe it likely was not a cracked head. I decided to just pull the head and manifold together as the A frame was already set up. Once they came out the mechanic tested it to find it was cracked. Oh, but that was AFTER he busted the head prying them apart, I can't help but wonder if he cracked the manifold as well.
    Last edited by ageless; 06-23-2018 at 07:28 PM.

  7. #7

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    Busted head

  8. #8

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    This looks like an air chisel gouge

  9. #9

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    JB weld. No big deal to fix that.
    Scott
    41C117 "Hattatude"
    Port Canaveral Florida.


    Marine Electronics and Electrical Products Distributor.

  10. #10

    Re: Searching for Detroit Diesel 12v71 TA exhaust manifold

    Quote Originally Posted by Boatsb View Post
    JB weld. No big deal to fix that.
    and a little buffing huh?

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