>
> On Fri, 24 Nov 95 9:18:38 PST David Hall <dhall@hp-vcd.vcd.hp.com>
> said:
>
> > About a month ago, I replaced my exhaust system with a tuned exhaust header,
> > a free-flow but not tooooo noisy muffler. The muffler is located directly
> > under the drivers seat, and a length of 2" pipe goes from it all the way
>back.
>
> Do you notice any loss of bottom-end torque with the new header? Are you
> using one of the exotic mufflers, such as Borla, or Flowmaster, or
> some type of turbo style muffler? It's almost new muffler time
> for me, and as usual, the many choices are wracking me with anxiety.
OK, let's see... I picked up the header at a local MG parts store in Portland,
OR. It's an Ansa L.C.B. Header. (At least that's what the receipt says.) It
has a slightly larger and longer center tube. I didn't notice any particular
difference in the bottem end torque. The muffler and pipe came from G.I. Joes -
It's a "Turbo II" muffler, Part No. 16802. It was only 19.95. The additional
pipes and clamps were about 20.00. The header was 179.95. Overall, I am
extreamly pleased with the results. I arc welded all of the joints together,
put a couple of custom clamps and brackets towards the rear of the car.
>
> > The other day, when jacking up the car, I noticed that the rear axle was
> > sitting on the muffler pipe. When the car is sitting on the ground there is
> > 1 1/4" clearence from the bottom of the rear axle to the top of the pipe.
> > Is this enough clearence? Should I re-route the pipe over the axle? If I
>do,
> > how much clearence should there be?
>
> Drive it for a while. If there is insufficient clearance, you will
> soon see evidence of rubbing on the exhaust pipe.
Yep, after realizing that it could hit, I suddenly realized what the thunk was
every now and then when I go over curbs, in and out of the driveway, etc.
Guess I will have to run it over the axle...
>
> > BTW, the tuned exhause header and new muffler sound great! Very even
>sounding
> > compared to the original non-tuned manifold.
>
> Is this a long center branch type like the old Special Tuning
> manifolds?
>
> Regards,
> Jerry Causey
>
Dave Hall
dhall@vcd.hp.com
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