Tuned pipes for dummies....feedback sought???

[White, Chris]

help????

I have a new Arresti III that will be using a YS 140 FZ and the new coupler from Central with an (enclosed) ES carbon fiber pipe and the Hyde ARIA mount.	Merle Hyde says the pipe needs to be pretty flexible in mounting to avoid header breakage. He also warns to tighten the hyde mount screws aggressively.

	My thought was to mount a single clamp on the CG of the pipe with a Dave Brown hush clamp pipe mount.  (O ring retention on a composite clamp) I have used this mounting style very successfully on a Greve pipe / Webra 145 combo, but have questions about the durability based on what I hear about pipe heat increase when running a 4 stroke.

Can anyone tell me whether they have experience with the Dave Brown mount and four stroke pipes?   Do carbon fiber pipes get hotter than aluminum ones???  How do you typically retain a carbon fiber pipe without worrying about pipe distortion?

Chris


-----Original Message-----
From: discussion-request at nsrca.org
[mailto:discussion-request at nsrca.org]On Behalf Of Richard Strickland
Sent: Wednesday, August 18, 2004 2:36 PM
To: discussion at nsrca.org
Subject: Re: Dented pipe


Depends where they are.  If not too far in from the charge end, a mandrel
8-18" OAL from 3/8" steel round with about a 15 degree kink in it 2" from
the(to be) rounded end or so clamped in a vise works reasonably well for
wheedling them out--kind of like the paintless dent removal guys use.  There
are also sheet metal suckers--but I'm not that familiar with them.  Or turn
the dent toward the fuse--dents do not affect performance detectably.

RS

----- Original Message -----
From: "Fletcher, Richard" <Richard.Fletcher at gs.com>
To: <discussion at nsrca.org>
Sent: Wednesday, August 18, 2004 12:53 PM
Subject: Dented pipe


> I just received my new OS 160 pipe and the gorillas at UPS were true to
form
> and stomped on it and it now has a couple of dents. Does anyone know how
to
> remove them?
>
>
>
> Thanks, Rich
>
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