We are doing a stock 216 with dual Smitty's right now for a drive-around-town
truck and I can't wait to hear it. The pipes are going all the way back to the
rear of the truck.
Dave Shier
www.mtntown.com
jack halton wrote:
> There's a big difference in a dual exhaust V8 and a 6 cylinder with headers
> or split manifold. My '51 GMC with Nicson headers on a 302 inline 6 is
> capable of awesome sound. I have changed exhaust setups several times in
> search of the "purr-fect" sound. First I had turbos exiting in front of each
> wheel. Way too loud, very tiresome on long trips, so I ran the exhaust out
> the back, under the bumper. Still too loud. Changed to two long (48") glass
> packs mounted as far forward as possible - this produced a nice 6 cylinder
> purr, progressively louder with RPM. Then I decided to mount a brake booster
> under the driver side floor, so had to re-route the exhaust. I crossed both
> pipes over to the passenger side, still using the same long glass packs,
> about 2" apart, with both tailpipes exiting behind the passenger side rear
> wheel. This totally changed the sound - made it like an Austin-Healey on
> steroids! The glass packs have aged nicely, resulting in a deep, pleasant
> tone until over 3000 RPM when it turns into a howl. The more RPM the louder
> and better it sounds! I attribute this to the resonance from the long
> tailpipes, and other Inliners have confirmed this, some even going to
> crossed-over tailpipes to gain more length.
>
> The only thing missing from the way I remember the split-6 sound from high
> school days, is the "Rap" on overrun or deceleration. It's lost when a cam
> with lots of overlap is installed. My totally stock 216 with 2 Smittys was
> louder on deceleration than any other time - sounded like engaging a Jake
> Brake (and I had tickets to prove it)!
>
> Jack / Winter Park FL
>
> ----- Original Message -----
> From: Alan Gingles <agingles@nucleus.com>
> To: <oletrucks@autox.team.net>
> Sent: Tuesday, October 19, 1999 8:14 PM
> Subject: Re: [oletrucks] miq's exhaust
>
> > The Swinging Aligator In The Swamp wrote:
> > > Miq, I checked out your trucks. Looks pretty good. I had a question
> about the
> > > exhaust exiting in front of the rear wheels. Did you notice any
> increase in
> > > sound level using this method vs. straight out the back. I'm toying
> with the
> > > same configuration on my 53 with 350 small block. I'd like to get the
> exhaust
> > > laid out while everything is still stripped down the the bare frame.
> > >
> > > Wally
> > >
> > > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
> >
> > Wally,
> >
> > My exhaust exits in front of the tires as well. I used some cheap Turbo
> > mufflers on it, and the volume isn't that bad. It has a really nice
> > sound when you get on the gas. The only noise concern inside the cab is
> > when you're accelerating. Once you hit cruising speed the noise levels
> > out and isn't really noticeable, even at freeway speeds.
> >
> > Alan Gingles
> > 1948 Chevy 1314
> > http://www.nucleus.com/~agingles
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>
> oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
|