Manifold/Muffler Joint Should the connection be solid or have some movement?
Mine moves about a half inch at the bottom and I have tightened the bolts all I can. |
Re: Manifold/Muffler Joint You need to tighten that up.
Get new clamps/bolts if needed, are you using a sleeve, is the tail pipe flange seating on the manifold correctly? If it's loose...it's leaking |
Re: Manifold/Muffler Joint Do you have the clamp on the right way, there is a top and bottom.
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Re: Manifold/Muffler Joint Like the fellas said, they're correct.
I cut a gasket from asbestos, well, I guess that stuff is illegal, so I cut up a welding glove. [ it feels, smells, looks and tastes like asbestos] |
Re: Manifold/Muffler Joint I had that same problem. I filed both clamp halves where they meet just a hair and now I have a tight leak free joint.
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Re: Manifold/Muffler Joint Are you using a repro clamp?
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Re: Manifold/Muffler Joint 1 Attachment(s)
N'Abend Curtis,
I use exhaust sealing putty together with the cup ring. If the contact pressure is too low, you must use washers. |
Re: Manifold/Muffler Joint I don't know what is in there. It was put on sometime ago by my father. I just noticed it was loose.
I'll try to take it apart. |
Re: Manifold/Muffler Joint Quote:
Have used on a couple of Model A’s. Enjoy. |
Re: Manifold/Muffler Joint I like the new "no-nut" clamp. Easier to install. Not authentic tho.
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Re: Manifold/Muffler Joint I can't imagine that things are any different in the US from here but I use a muffler putty in there to get a good seal, as has been suggested above. It sets hard and to remove it, I use a wire brush in the drill.
BTW, the exhaust clamp is a #$%^ to install on a RHD car. It has to be just right or the clutch pedal won't go down past it. I put a helicoil in one side and use a shorter bolt which means there is no nut for the clutch pedal to hang up on. |
Re: Manifold/Muffler Joint This may be unorthodox but has worked fine for me for many years... wrap a 3/4 " wide band of 4 or 5 folded layers of aluminum foil around the joint. install the clamp over this band and tighten. Of course first ensure a good fit of the pipe flange to the manifold. Never had leaks and the foil stays put and is invisible.
Joe B |
Re: Manifold/Muffler Joint My suggestion... Buy an Aires muffler. It will have the correct flange that will fit your manifold. AS far as I know it is the only one on the market that is an exact duplicate of the original Ford blueprint.. I've installed one on two A's, Fit and sound are worth the price
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Re: Manifold/Muffler Joint The design of the manifold to muffler assembly joint allows for some movement, but not much. It is a semi-ball type joint. The muffler assembly develops a lever bending action on the joint, so it needs to be somewhat flexible and allow some rotational movement of the muffler assembly to dissipate the lever action.
Unfortunately, the design lacks a seal, so we have a habit of over tightening the joint. When the joint prohibits movement, the lever action causes the manifold to bend downward and eventually crack between cylinders 3 & 4. |
Re: Manifold/Muffler Joint Per JoeCB & verdirick, I run an Aries muffler, orange RTV on the joint & wrap it with tinfoil and it works great.
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Re: Manifold/Muffler Joint I took mine to a muffler shop and had the flange bent to a true 45 degress and bend from the flange to the muffler bent to a true 90 degress. Works great with no gasket.
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Re: Manifold/Muffler Joint Also, besides the jack support, the flange on the exhaust pipe may need some altering with a ball peen hammer, and the end of the manifold filed.
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