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Classic, Vintage & Veteran For Coventry and Meriden Models. Anything pre-Hinckley goes.

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Old 11-10-2012, 05:57 PM   #1 (permalink)
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How to cut chrome pipes?

It's a long story but the high level header pipes that I have sourced for my T100c rebuild are both too long and need cutting down.

I need to make a straightforward cut at 90 degrees and this cut will be covered over by about an inch of the muffler.

Any thoughts on the best way to approach this? Obviously I want to avoid chipping off too much chrome and I want to make the cut as rust proof as possible. As it will be covered over by the muffler I have about an inch of grace for any aesthetic issues...

I have an angle grinder with a very fine cutting disk: is this the right tool for the job?
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Old 11-10-2012, 06:25 PM   #2 (permalink)
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I needed to cut some pipes recently and had a local muffler shop do it. It took him about 2 minutes and I had a good smooth square cut. (He didn't even charge me.)
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Old 11-10-2012, 10:05 PM   #3 (permalink)
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Regardless of how you cut it, you will have a raw steel edge. But it will cover over with carbon fairly quickly so I would not worry too much about rust.

If you break thru the chrome, and you have a new blade, you can cut them with a hacksaw. Probably don't even have to break thru the chrome. Hacksaw blade should eat right thru it. Put a band clamp on them at the cut line and use it as a guide.

Your cutoff disc with do a good job if you have a steady hand. You can alway use it to clean up the end when you are done.

I understand your desire for a nice clean and square cut. I'd be the same way. But if it is off a bit, the muffler will not care and nobody will see it. It will only keep you awake at night.

regards,
Rob
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Old 11-11-2012, 08:31 AM   #4 (permalink)
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Thanks for the replies

Rob - not joking this did keep my awake at night the other night: I was in that twilight between waking and dreaming and the only thing I could think of was mu overlong header pipes....
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Old 11-11-2012, 08:38 AM   #5 (permalink)
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Hi there

I use an exhaust pipe cutter I got off ebay for a few pounds second hand ..... clean fine cuts every time

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Old 11-11-2012, 10:38 AM   #6 (permalink)
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I always use tubing cutters. Usually wrap tape around the area and cut away. Always a strait cut.
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Old 11-11-2012, 10:47 AM   #7 (permalink)
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yes,

I've never done it but would think that masking tape wrapped around should give good grip and another layer would make a guide, using the edge
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Old 11-12-2012, 08:57 AM   #8 (permalink)
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That was my thought tape and a pipe cutter smooth straight clean cuts. Heck we cut chromed tubing for toilets with no tape at all too.
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