Hi all! Exhaust Question - Team Camaro Tech
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post #1 of 2 (permalink) Old May 30th, 14, 09:39 AM Thread Starter
Senior Tech
Join Date: May 2004
Location: Southeast PA
Posts: 8,303
Hi all! Exhaust Question

I have searched here and other reputable online sites, and I think I even checked Jerry's 69 book and Dobbins-Incremona, for this info and have come up dry.

While I sit/lie healing and with car still in paint (more as shield from wife, who has stated she doesn't know if she's going to "let" me keep car), I am planning out little details.

One thing I did not like during the years of shakedown was the "dump truck" sound of an OE style transverse muffler hooked to a mild BBC and iron manifolds.

Been considering shorty and/or long tube headers, but with all my injuries my new "normal" won't be what it was, and I can't see me hoisting the engine up and installing headers without help.

Also been considering adding resonators, either OE style (which look like basic turbo muffler) or round (like Flowmaster SP-2).

But, the question I would really, really love an authoritative answer is, on the OE factory "deep tone" exhaust's transverse muffler, how exactly does exhaust route around inside the case? Anybody cut one apart?

I can call Stainless Works and see if they can answer for what is on car now, and I can call Gardner and see what he says (and maybe try to beg him for just a muffler).

On a chambered system, you can see that the left bank of cylinders winds up in passenger side tailpipe and right bank on driver side. But what the heck happens in a closed case, with input on bottom of each side and tailpipes at the top??

I've heard the heavy truck sound is a common complaint for iron manifolds and an OE style system. But I have a lot of time on my hands, am an engineer, and have been a gearhead for almost 4 decades (yeeesh). I like to know how things work, so I can make more informed changes.

Of course, if I can get a TC Overhaulin style A-Team to come by and just slap some good fitting shorties on there... I have actually been sketching some muffler/zoomie (fairly flat or oval end tubes) right at bottom of front fenders... Like I said, lots of free time and boredom with a stalled project and disability income aren't a great combo.

69 'vert project big block/TKO 600 RR
68 'vert driver RS clone -- gone!
Eric Kammerer is offline  
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post #2 of 2 (permalink) Old May 30th, 14, 08:45 PM
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Join Date: Jan 2013
Location: Eddyville KY
Posts: 1,470
Re: Hi all! Exhaust Question

Here's a transverse muffler I think you'll like :


I bought it from Autozone when they had a crazy sale. Got it for less than $300.

You'll need to space your cross-brace away from the body for the pipes to fit - assuming you have a convertible.

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