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Originally Posted by aidandj
(Post 1224590)
I might order the FM 3" brace and see if I can get it to work with my setup... I dont think it could be that far off.. Might have to re-bend it or add washers, etc but at least it'll be a starting point |
It's been years since I last saw it, but there's a another thread out there where bbundy shows how the exhaust clamp made crimps on his exhaust piping.
He also posted pictures of a clamshell clamp (I can't remember the exact name but it has something to do with sea life) which has more surface area so the denting doesn't occur. |
Originally Posted by kenzo42
(Post 1224596)
It's been years since I last saw it, but there's a another thread out there where bbundy shows how the exhaust clamp made crimps on his exhaust piping.
He also posted pictures of a clamshell clamp (I can't remember the exact name but it has something to do with sea life) which has more surface area so the denting doesn't occur. https://www.miataturbo.net/flyin-mia...t-brace-43572/ There was a link to that in the link that aidandj posted |
2nd page in my link he shows his setup.
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I support the addition of poly exhaust hangers. I think they might make a big difference in the amount of stress on the downpipe. Old rubber hangers allow a lot of sag and movement over bumps, while the poly hangers do not. I also agree that they suck to install, but are totally worth it.
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Originally Posted by skidude
(Post 1227337)
I support the addition of poly exhaust hangers. I think they might make a big difference in the amount of stress on the downpipe. Old rubber hangers allow a lot of sag and movement over bumps, while the poly hangers do not. I also agree that they suck to install, but are totally worth it.
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poly hangers can technically increase stress.
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/\ This is what I always thought too, but don't really have any actual data to support/refute. Your drivetrain moves, your chasis doesn't. Restricting the movement of exhaust parts bolted to the moving drivetrain tells me you'll putting more stress on them
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One thing about the frear of crimping the tube. If done correctly, the support clamp should be installed with prevailing torque nuts that do not depend on being tightened to remain in place. The objective is to let the pipe acutally slip axially in the clamp during expansion and contraction with temperature; and to only hold the pipe radially (vertically). So, you don't really want to make the clamp real tight.
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Poly hangers might cause more stress if you're pulling hard on the exhaust to make the connection, but if your connections are neutral, the benefit is in the reduced movement in bumps/loads (as mentioned).
fwiw- These are worth every penny when it comes to exhaust hanger bushings. http://ecx.images-amazon.com/images/...L._SL1500_.jpg |
Originally Posted by m2cupcar
(Post 1227399)
fwiw- These are worth every penny when it comes to exhaust hanger bushings.
Amazon.com: Lisle 38350 Exhaust Removal Pliers: Automotive |
Originally Posted by m2cupcar
(Post 1227399)
Poly hangers might cause more stress if you're pulling hard on the exhaust to make the connection, but if your connections are neutral, the benefit is in the reduced movement in bumps/loads (as mentioned).
:party: |
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