down pipe problems
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New User
Joined: Jul 2005
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down pipe problems
just installed a 2 piece 3" down pipe on a 97 F-250. went in pretty easy, striaght pipe from there back. now i have a terrible noise and some vibration. if you put it to the floor it staightens right out no noise no vibration. any suggestions? got me bumfuzzeld
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New User
Joined: Jul 2005
Posts: 21
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thank you all the pipe was not rubbing but the clamp between the two pieces had moved up against the tranny, moved it down bout a half inch and viola it was all good, by the way do i need some back pressure on my exhaust?
Posting Guru
Joined: Nov 2001
Posts: 1,743
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From: Ft Scott
Just be carefull! The fuel fitting is on the back of the head and it wont take much to snap it off.
Posting Guru
Joined: Feb 2008
Posts: 1,526
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From: Grass Valley, CA
less backpressure behind that = more boost, more power, lower egts...
putting an exhaust on a turbo diesel is different than a gasser...
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Post Fiend
Joined: Mar 2007
Posts: 9,010
Likes: 5
From: Johnson City, TN.
X2 you don't need any backpressure after the turbo. As a matter of fact you can run a small stack about 3-4 inches right out the top of the hood if you want to.
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Posting Guru
Joined: Feb 2008
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From: Grass Valley, CA
out of curiosity, is that street legal??? lol
Elder User
Joined: Feb 2007
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From: scaggsville, md
i really doubt it. i think your local cops would have a ball writing you those tickets...... it would be cool tho
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