• To ALL forum users - As of late I have been getting quite a few private messages with questions about build ups here on the forum, or tech questions about your personal project. While I appreciate the interest, sending me a private message about these topics distracts from, and undermines the purpose of having a forum here. During the day I wear many hats as a small business owner-operator and I work tirelessly to provide the absolute best service possible to you, our valued customer. When I created this forum I rounded up some of the best minds I knew so that any tech question you might have could be asked and answered by either myself or one of my highly experienced moderators, this way the next time this same question is asked the answer can be easily found and utilized by the next IH enthusiast having the same question. This allows me the freedom to run the day to day operations of the business and minimize the impact to shipments and shop activities that these distractions can cause. It is of the up most importance for me to complete the daily tasks in order to best take care of you our customer, all the while providing you a forum to get the level advice and input you have come to expect and deserve from the premier IH shop in the country.

    So with that I ask that anyone with a question about one of our build ups or a general tech question to please use the forum as it was intended. I am absolutely available by telephone to answer your questions as well but at times may direct you back to our website to better field your question or questions. Most other private messages I will be glad to answer for you.

    Thank you for your understanding.

    Jeff Ismail
    Owner/Operator

258 Exhaust leak

guthmeister

New member
I am having a really hard time getting the exhaust manifold to seal to the head on my 258. I had the intake and exhaust manifold milled so they are square, and have had it apart and changed the gasket a couple of times. I have the service manual and am following the directions for installing the manifolds. I gotta believe that I'm missing something, and the ticking is killing me. Right now it is leaking at the rear of the motor I think, but I'll know for sure once I have it apart. Anybody have a tip for sealing it up? Is there a gasket sealer I can use to help seal it up when I change the gasket this time?
 

1975IH200

Member
There is a much better gasket than stock for this application.
I don't have the info for it where I am now.
Maybe I can come up with it later.
 

guthmeister

New member
Thanks a ton, I'll be waiting to hear from you. In the meantime I'll look around some more to see if I can find it.
 
There is a much better gasket than stock for this application.
I don't have the info for it where I am now.
Maybe I can come up with it later.
High temp gasket sealer the orange helps. You sure there isn't anything that the manifold is sitting against stopping it from pulling in tight? Is the manifold new and actually flat itself?
 

guthmeister

New member
the manifold is new, and I had both intake and exhaust manifolds surfaced so they are square and flat. I've had them off twice, and can't get them to seal. There isn't anything under them except the gasket. I didn't mention that it doesn't start ticking until it is up to temp and under load. When it hasn't warmed up it is completely quiet.
 

1975IH200

Member
Brand name is REMFLEX.
Part number is 10-003. Do NOT use any sealant. Torque to 20 - 25 ft. lb.
Follow the directions that come with the gasket.
 

guthmeister

New member
thanks a ton, I'm not sure why that didn't show up when I searched Summit for 258 but I really appreciate the help. Ordering it tonight.
 
Top