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Author Topic:   Exhaust leak
tech355
Member
posted July 14, 2004 07:16 PM
I got my manifolds off a van with a similiar setup and had part of the exhaust pipe too from where i cut them off. Both sides had a piece with a radiused edge that matched the exhaust pipe. I just cut them real short and clamped tailpipe pieces to them. I'm going to take it all down now that it's bolted up and weld it to make smooth connections.


hobby39
Member
posted July 15, 2004 06:12 AM
tech355 mines the same was one has the donut and one dosen't nothing goes on the side without the donut it's built in too the manifold. seems like they should do it on both sides but they didn't.


dode
Member
posted July 15, 2004 10:20 AM
I believe that the reason they are different is the one with the "flat" flange was designed to have an EGR valve attached to it, which had a radius outlet on it for connecting to the rest of the exhaust. At least this is how the manifolds we use are setup.

JOhn

tech355
Member
posted July 15, 2004 04:30 PM
mine is like dode mentioned it had a flapper deal in the spacer so i just took that part out and made anew pipe to fit without it and put the donut on it


sleadhead44
Member
posted July 16, 2004 10:53 AM
I had the same problem, I siliconed up the small exhaust gap on the drivers side where the manifold outlet and the exhaust pipe meet with the red high temp stuff, it will hold for about 2 weeks running, then burn off and have to re-apply.


robhbk24
Member
posted July 16, 2004 01:39 PM
i used header reducers it takes a little adjusting to make them work i believe they are 2 1/4 i know the pipe is so maybe they were 2 3/4 whatever all i had to do was elongate the holes on them and they bolt up i use the donut on one side and fill in the gap where the steel donut is with weld. my dad did the same thing but he used to flat gaskets that come with the reducers instead of donuts and that seems to work too


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