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Re: [Tigers] Chambered exhaust systems?

To: MWood24020@aol.com
Subject: Re: [Tigers] Chambered exhaust systems?
From: Owain Lloyd <owain.lloyd@gmail.com>
Date: Sun, 7 Apr 2013 17:12:40 -0400
Cc: "tigers@autox.team.net" <tigers@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: tigers@autox.team.net
References: <8693a.57ed01cf.3e9330e5@aol.com>
It's obviously very personal, but I think the flowmaster 42 series on my
tiger are the single best feature of the car.   or at least they are a big
component of the single best feature - the sound (the engine helps somewhat
too)!

maybe that says something about the rest of my tiger :)  hmm....


On Sun, Apr 7, 2013 at 4:28 PM, <MWood24020@aol.com> wrote:

> Of course, we also need to differentiate "good noise" from "bad noise"...
> ;-)
>
>
> In a message dated 4/7/2013 1:25:14 P.M. Pacific Daylight Time,
> tsmit@shaw.ca writes:
>
> True enough, but the LAT73/LAT74 headers and  exhaust, that these mufflers
> were part of, were not really intended for stock  engines.
>
> My Tiger came to me with a five-bolt 289 with ported and  polished heads, a
> Holley 600 and F4B manifold, and a pretty lopey cam. 'Quiet'  was not
> really in its repertoire, although sticking with a 2 inch exhaust  system
> does
> help keep the overall noise level down compared with 2 1/4 or 2  1/2 inch
> pipe, at the expense of some performance at the high end.
>
> Theo
>
> On 4/7/2013 1:58 PM, _CoolVT@aol.com_ (mailto:CoolVT@aol.com)   wrote:
>
>
> I can tell you that in using cheap old glass paks with a stock engine  and
> the same mufflers with a hopped up 302....they are much, much louder  with
> the 302.  I shouldn't think a stock engine would be that  difficult to
> muffle.
> Mark L
>
>
> In a message dated 4/7/2013 3:37:15 P.M. Eastern Daylight Time,
> _tsmit@shaw.ca_ (mailto:tsmit@shaw.ca)  writes:
>
> Mike,
> Here's a picture of what I think are the Mitchell  mufflers - these are
> what was on my Tiger when I got it.
>
> For  the rest of you that won't get the picture:
>
> The body is 24" long,  3x5" oval, 2" in and out. Contrary to what I
> remembered, the hangers  attach 5" rearward from the front of the muffler
> body - there is only  about 20 inches between where the hangers attach on
> the chassis and  the rear axle tube.
>
> I do recall the front of these mufflers pretty  much touching the
> rearward part of the underbody X frame, just behind  the little exhaust
> pipe notch in the X. The sound of these mufflers  was pretty aggressive,
> but it went well with the rest of the system  and engine.
>
> I would also be concerned with the amount of sound  suppression that's
> possible in a small diameter muffler such as the  chambered ones in the
> link below. It may be that with proper choice of  all the internal
> volumes, they get noise cancellation at most of the  frequencies of
> interest, but it seems to me that the overall result  would still be
> pretty dependent on the rest of the package, i.e.  engine displacement,
> cam, and the diameter of the rest of the  exhaust.
>
> Theo
>
>
> On 4/7/2013 10:28 AM, _MWood24020@aol.com_ (mailto:MWood24020@aol.com)
> wrote:
> >  Thanks, Theo. I was looking around the 'net yesterday and saw  this:
> > http://www.classicchambered.com/
> >  Concern is that there would really be minimal muffling. Upside would  be
> > installation, particularly in terms of avoiding the "mufflers  hanging
> low"
> > issue/look we have with our cars.
> >
> > I also had another friend tell me he installed the new tech,  small
> diameter
> >   glasspacks on his Tiger with very good  results.
> >
> > I'm not a big fan of Flowmaster  mufflers. I've yet to have an install
> where
> >   there  wasn't some droning, regardless as to whether running an H or X
> >  pipe.  They do sound good under throttle and are made very well,
>  though!
>
> [demime 1.01d removed an attachment of type image/jpeg  which had a name of
>  IMG_1333.JPG]
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