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Technical Y Block exhaust manifolds

Discussion in 'The Hokey Ass Message Board' started by Carl La Fong, Apr 3, 2023.

  1. In 1957 my folks bought a new Ford Country Sedan with a 292 V8. In a short while it began making a loud popping sound. I asked why is the car making that funny noise? Dad said, "it has a cracked manifold". Soon it was driven to the dealer and the manifold was replaced. Within a month it cracked again. Dad said "To Hell with it and the car was driven that way until it was sold 10 years later. Was this a common problem with Y blocks or 292s in particular?
     
  2. Yes, I have two broken manifolds on my 56 292 and we also just had one break on my sons 57 312.
     
  3. Boneyard51
    Joined: Dec 10, 2017
    Posts: 6,548

    Boneyard51
    Member

    We had five Y-blocks on the ranch , growing up, and I cannot ever remember an exhaust manifold cracking. We had one come loose and several blow a gasket where the exhaust pipe bolts on. Also we ran ours with no gaskets between the manifold and the head, with no sealer. Today I would add silicone sealer.
    We also never had any problems with the overhead oiling! I guess we were just lucky! We did maintain our engines and all had 195 degree thermostats.





    Bones
     
    Last edited: Apr 3, 2023
  4. Wanderlust
    Joined: Oct 27, 2019
    Posts: 879

    Wanderlust

    Center bolt tight, rest snug = no problem.
     
    jimmy six and Okie Pete like this.
  5. jimmy six
    Joined: Mar 21, 2006
    Posts: 15,909

    jimmy six
    ALLIANCE MEMBER

    If running with no gaskets make sure both the head and manifold surfaces are perfectly flat as original. Take care with gaskets. Good luck.
     
  6. AVater
    Joined: Dec 9, 2008
    Posts: 3,274

    AVater
    ALLIANCE MEMBER
    1. Connecticut HAMB'ers

    Dad bought a new 1960 Wagon with a 292 and had one of the manifolds crack. It was replaced by the dealer N/C. Nice of them as the car was out of warranty. Maybe this was an early version of “silent recall”?
     

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