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Thoughts on how to ovalize exhaust pipe

Old Jan 23, 2007 | 08:17 PM
  #1  
Jon614z28's Avatar
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From: CT
Car: 1992 Z28 Aniv. Edition
Engine: 5.3 L33 Turbo
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Thoughts on how to ovalize exhaust pipe

In a quest to keep precious ground clearence, im going to attempt to ovalize some pipe, i could buy it from DR.Gas but i figure its worth a try, so, my thought was to fill the pipe with a 2x4 ripped down to fit inside the pipe tight against the sides at 1.25" height and rolling it with my truck or a roller from work in hope to have a nice ovalized pipe that is only 1.25" tall and as wide as what is left over from a 2.5" pipe. The only object is to get the pipe so it doesnt pinch on the ends. Im all ears for suggestions! Thanks
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Old Jan 23, 2007 | 09:12 PM
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chevycamaro91's Avatar
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From: elverson pa
Car: 91 camaro
Engine: 383 stroker
Transmission: t5 :(
Axle/Gears: posi 373
u could put it in a vice and just crush it as far u want, might take a little time though. just my
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Old Jan 23, 2007 | 09:19 PM
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1BADRZ28's Avatar
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From: MN
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or you could call boyce industries and buy the pipe as they are much cheaper than dr gas and spintech.
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Old Jan 24, 2007 | 01:50 PM
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Jon614z28's Avatar
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From: CT
Car: 1992 Z28 Aniv. Edition
Engine: 5.3 L33 Turbo
Transmission: Tremec T56
Axle/Gears: 3.27 Borg 9Bolt
I never heard of them Thanks, ill do some research
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Old Jan 24, 2007 | 09:07 PM
  #5  
Comp788's Avatar
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From: Reno, NV
Car: 1982 Z28 & 1967 RR/SS 396
Engine: ZZ383 & 375hp 396
Transmission: T56 & factory TH400
Axle/Gears: 9" ford & 12 bolt 4.10
I have done it in the past with the press brake at work and the tube filled full of sand. It came out very nice. The other thing I have done was to cut apart a u-bend in the middle and add in a filler peice. That worked out really well for a job that I did.
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