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Exhaust flange hitting frame

Old 03-14-2019, 06:53 PM
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Exhaust flange hitting frame

94 2wd 22re auto single cab.

Anyone have or had any issues with the exhaust flange hitting the frame during a stop or hard acceleration? And not all the time. Everything is stock now, but this motor had a different manifold (high performance) before I installed it. When I installed motor I removed the stock manifold from the trashed engine that came with truck and installed on to new one. So in short I've messed with the exhaust manifold from flange up. Now I'm trying to figure out where I went wrong. All hangers are in good working condition. Is there supposed to be a clamp on it? Thanks for the help guys.
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Old 03-15-2019, 01:40 AM
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Put back the OEM manifold. Depending on mhat header you have in there, it will probably give you better performance across the rpm range.
Check to make sure a motor mount isn't broken?
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Old 03-15-2019, 05:48 AM
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The OP said the exhaust is currently in its stock form.

I have not had any problems with my exhaust manifold and my Truck is a 1987 22R Automatic Two Wheel Drive.

I will take a look at mine today and take a picture.


Last edited by old87yota; 03-15-2019 at 02:32 PM.
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Old 03-15-2019, 12:07 PM
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I notice a weld close to flange so it may not be original but here is where its hitting

looking from front to back. Can someone post a pic of theirs if possible. Thanks.
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Old 03-15-2019, 02:40 PM
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Is that the transmission cross-member right above the flange?

There should be plenty of space between the frame, transmission cross-member, and the catalytic converter flange.

Here is a picture of my 1987 22R Automatic, 2 Wheel Drive Truck. Your Truck is the next generation, but should be similar.




The pipe flange starts about 8.5 inches past the transmission cross-member.

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Old 03-15-2019, 02:58 PM
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Originally Posted by old87yota View Post
Is that the transmission cross-member right above the flange?

There should be plenty of space between the frame, transmission cross-member, and the catalytic converter flange.

Here is a picture of my 1987 22R Automatic, 2 Wheel Drive Truck. Your Truck is the next generation, but should be similar.




The pipe flange starts about 8.5 inches past the transmission cross-member.

Yes it is the cross member. Thanks for the pic. How much space would you guess is between the two?
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Old 03-15-2019, 03:01 PM
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Originally Posted by old87yota View Post
Is that the transmission cross-member right above the flange?

There should be plenty of space between the frame, transmission cross-member, and the catalytic converter flange.

Here is a picture of my 1987 22R Automatic, 2 Wheel Drive Truck. Your Truck is the next generation, but should be similar.




The pipe flange starts about 8.5 inches past the transmission cross-member.

Looks like mine has been dicked with based on your photo. Looks like the flange is well beyond where the cross member is. Thanks again.
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