But if you put a 12" diameter tip on the tailpipe, that's good for a 2x
HP & TQ boost, right?
Ronald Wong wrote:
>
> You are absolutely right Andy. It's call scavenging. That's why there's a
> fine line when you start messing with headers and cats and exhausts. People
> don't understand why you can't just put a 6" pipe all the way through and
> get 1,000 hp. The explanation of what you just said is very complex. If I
> find the write up, I'll put it on the list.
>
> Ron
> 00 SLT QC 4X2 5.9 46RE 3.92 LSD
> For modifications see my DML Profile
>
> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> [mailto:owner-dakota-truck@buffnet.net]On Behalf Of Andy Levy
> Sent: Tuesday, November 07, 2000 7:34 PM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: Re: V6ers-Running no muffler is indeed a bad thing
>
> Someone slap me if I'm wrong (ah, hell, I need a good slapping anyway),
> but don't you need backpressure to make torque? As well as a
> not-unresticted intake (on a normally aspirated engine, that is)?
>
> Back when I was in the Boy Scouts, one of our elder scouts showed us
> that when you make a campfire, the harder you make the fire work to pull
> oxygen in, the hotter it'll burn. *To a point* Make it work too hard,
> and it won't be able to get enough oxygen to keep burning. Similar
> situation with your engine & backpressure, etc.
>
> I think?
>
> Andy Wittkamper wrote:
> >
> > I don't understand why your loss of backpressure leaves you with less
> > performance...if backpressure improves performance, your motor is not
> tuned
> > correctly-
> >
> > see this site- http://www.veltune.com/theory.htm
> >
> > Andy Wittkamper
> > __________________________________
> > http://www.members.tripod.com/TiptonFFA
> > ----- Original Message -----
> > From: "Mike Styer" <dakotamike@netzero.net>
> > To: <dakota-truck@buffnet.net>
> > Sent: Wednesday, November 08, 2000 12:43 AM
> > Subject: DML: V6ers-Running no muffler is indeed a bad thing
> >
> > Well I should have known something like this was going to happen...
> >
> > After giving my Dak a tune up, having the tires changed, and even changing
> > the
> > timing belt without swearing ONCE, my streak is over. I ripped my exhaust
> > apart
> > this weekend getting firewood by driving over cable fenced that decided to
> > jump
> > uo and snatch my muffler. Tore pulled it apart at the ypipe-meets-main
> pipe
> > connection completely. Loudest a truck of mine has ever been.
> >
> > I got under there today and tried to put stuff together. The exhaust had
> > also
> > TORN out of the rubber hangers and twisted the one metal hanger so badly I
> > had
> > to try straighting it. No go, my little brother emptied every gas tank in
> > the
> > house. On top of all that, the y-pipe and main pipe were clamped so
> tightly
> > from the factory that they don't go back together.
> >
> > After an hour and a half of wrestling with and exhaust system that weighs
> as
> > much as I do I gave up, heated the room with every curse word I know, beat
> > the
> > crap out of the muffler with a ballpeen hammer, and finally cut the
> muffler
> > apart right in front of the muffler.
> >
> > I know I shouldn't have lost my temper, but I feel a lot better now and am
> > in
> > back in touch with the true me :) Besides this gives me an excuse to
> > upgrade
> > the exhaust.
> >
> > After cleaning up and cooling down, I took the Dak for a test run too find
> > any
> > performance difference. Soundwise, you can't tell the cat is even on,
> it's
> > just
> > stinking loud. My parent heard me from 5 miles away in a hilly wooded
> area.
> > Powerwise, I did feel a gain from 2-4K, but trhere was a definite loss
> from
> > the
> > get go.
> >
> > Tomorrow I am going to have the y-pipe welded to the main pipe, and I'll
> get
> > a
> > clamp to strap type clamp to hold together what I cut off, just so I don't
> > get
> > pulled over. I'm thinking of ordering the Dynomax aftercat setup ($105 in
> > Summit). Does anyone else have this? Is it truly bolt in or am I going
> to
> > get
> > frustrated and cut something I shouldn't? Power vs. sound?
> >
> > Thanks for reading all the way through and allowing me to vent :) and
> > thanks
> > for any help as I now truly begin to "fix" my truck:)
> >
> > Mike S.
> > 93 V6 5-speed CC Sport
> > Perma-cool 16" electric fan, no muffler and earplugs
> >
> > ____________NetZero Free Internet Access and Email_________
> > Download Now http://www.netzero.net/download/index.html
> > Request a CDROM 1-800-333-3633
> > ___________________________________________________________
>
> --
> -andy
>
> http://home.twcny.rr.com/andylevy/ --- andylevy@bigfoot.com
> -------------------------------------------------------------
> "We like AMD. The enemy of our enemy is our friend."
> --- Jonathan Schwartz Sun senior vice president
> -------------------------------------------------------------
-- -andyhttp://home.twcny.rr.com/andylevy/ --- andylevy@bigfoot.com ------------------------------------------------------------- modesty, n.: Being comfortable that others will discover your greatness -------------------------------------------------------------
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