Hello all;
This is somewhat of a dumb question but since the fuselage cars can't fit a
dual exhaust easily could one just use a larger diameter single pipe? I know
that the dual pipes are used for cutting down on the back pressure but could
you achieve similar results by using, lets say, a 4''inch single in place of
a 2-1\4'' single? Just speculating, I don't even know if you could get a 4''
pipe or the muffler to fit it.
Best Regards
Arran Foster
1954 Imperial Newport
Needing A Left Side Taillight Bezel and other trim parts.
----- Original Message -----
From: "Elijah Scott" <imperial1971@xxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Friday, January 03, 2003 10:03 AM
Subject: Re: IML: Exhaust Question....
> Hi Randy,
>
> It is indeed possible to install dual exhausts in your
> '73 Imperial. However, based upon my experience with
> one of my '71 Imperials, I would not recommend it.
>
> First, no fuselage Imperials came from the factory
> with dual exhausts (unless someone with lots of pull
> managed to special order it, in which case you'd be
> incredibly lucky to locate such a car.
>
> Other fuselage C-Body cars of this era could be
> ordered with factory dual exhaust. However, the
> factory setup for these cars did NOT include
> resonators at the rear. So even if you locate an
> original gas tank from a New Yorker with factory
> duals, there still will NOT be room for resonators at
> the rear.
>
> The two major issues I ran into in having dual exhaust
> put on my '71 were pretty simple: first, I had to take
> the car to FOUR different custom exhaust shops before
> I could find someone who could get all the rattles and
> knocks out. Second, since resonators could not be
> installed at the rear, there were several RPM ranges
> where the noise was absolutely deafening, something I
> did NOT want in my Imperial.
>
> My "final solution" was aluminized pipe, stock
> mufflers, and an H-pipe. The last length of tailpipe
> is actually run along the bottom of the frame rails on
> each side at the rear, which has proven to work pretty
> well. The H-pipe not only turned out to help with the
> rumble that I got at 45 mph and also at 65+ mph, but
> also gave a noticeable improvement in low end torque.
>
> And when I replaced the interior a year or so ago, I
> insulated the living daylights out of the trunk, rear
> seat back, and floorboards. That cut out about 90% of
> the "rumble," so now the car is much more Imperial
> sounding on the inside. :o)
>
> Now, to give you a better idea of this process . . . I
> first had the duals installed in 1995, but it wasn't
> until 2001 that I was at last satisfied with the
> system.
>
> My "new" '70 Imperial had been changed to dual exhaust
> before I bought it. One of the first trips the car
> will make this month will be to an exhaust shop to
> have it put back to the correct original single
> exhaust.
>
> Please let me know if I can be of further help.
>
> Best regards,
>
> Elijah
> 1965 Imperial LeBaron
> 1970 Imperial LeBaron
> (3) 1971 Imperial LeBarons
> --- Randy Martin <CountyFleet@xxxxxxx> wrote:
> > To all the fuselage owners out there (and anyone
> > else who might know the answer),
> > I have a '73 LeBaron with the factory single exhaust
> > and would like to change it to duals. I have
> > noticed when looking under the car, that the single
> > exhaust pipe runs between the fuel tank and the
> > chassis rail on the right side. However, there is
> > no room on the left side between the tank and the
> > chassis. That means to put on duals, I would have
> > to run the second pipe on the outside (ugh) or under
> > (also ugh) the chassis rail. I seem to recall that
> > duals were an option on one of the fuselage years
> > but don't know which one. Is it possible for me to
> > obtain a fuel tank from one of these factory dual
> > exhaust fuselage Imps and install it in my '73?
> > Thanks for any help.
> >
> > RandyGet more from the Web. FREE MSN Explorer
> > download : http://explorer.msn.com
> >
>
>
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