And how much did all this cost? I realize that I can't expect one magic
bean to fix all the worlds woes but I want to make sure that I'm gonna get a
return on my money before I sell the truck. By my estimates, if I can up my
fuel economy by 3mpg as you have hinted to, (I know - results may vary), I
can save $1100Cdn per year. That's $11k if I choose to keep the vehicle 10
years. Sounds somewhat reasonable 'IF' I reap the same benefits that you
speak of.
Thanks for your help just the same.
Rich
"Jon Steiger" <jon@dakota-truck.net> wrote in message
news:9066A07B4jondakotatrucknet@64.6.225.6...
> zrt800@iname.com ("ZeRTified Cat") wrote in
> [...]
> >3. Cat back exhaust. So far the only product to make a specific claim
> >of better mileage in thier ads. My concern is it also says 'more
> >power'. In general you need X gallons of fuel to make X Hp. So if you
> >make more power one would think you'd burn more gas. In most computer
> >controlled motors they adjust the air/fuel mixture so if you alter one
> >side of the equastion by adding more air, won't the computer just
> >compinsate by adding more fuel? The only other explanation is that the
> >exhaust improves on the efficiency (sp?) of the motor. Are these
> >systems louder/noisier than stock?
>
>
> Most of the bolt on mods such as exhausts, intakes, etc. make more
power by
> helping the engine to breathe better. This better breathing will also
help out
> the gas mileage. While it is true that you need to burn more air and fuel
to
> make power, when you're not using all that power, you see benefits in gas
> mileage. Also, an engine with more power doesn't have to work as hard as
a
> stock one; a good example is when comparing the gas mileage of V6's towing
to
> V8's towing the same weight; its not uncommon for the 8 to get better (or
the
> same) mileage as the 6. Another example, my '96 club cab ran 16.0 and
got
> about 18mpg highway bone stock; I've added an intake, throttle body,
intake
> manifold, headers, Y pipe, 3" exhaust, t-stat, computer, and pullies. Now
it
> runs mid 14s so its obviously got more power but I now get 21mpg
highway...
> So its kind of a best of both worlds deal; you get more power but if you
stay
> out of the throttle you'll also get better gas mileage...
>
> --
>
> -Jon-
>
> .---- Jon Steiger ----- jon@dakota-truck.net or
jon@twistedbits.net ------.
> | Affiliations: AOPA, DoD, EAA, NMA, NRA, SPA, USUA; Rec & UL Pilot -
SEL |
> | '92 Ram 150 4x4 V8, '96 Dakota V8, '96 Intruder 1400, '96 FireFly 447
|
> `------------------------------
http://www.cs.fredonia.edu/~stei0302/ ----'
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