hey, believe what you want. it's your right. By the way, wanna race!!???
----- Original Message -----
From: <Shaun.Hendricks@bergenbrunswig.com>
To: <dakota-truck@buffnet.net>
Sent: Thursday, October 28, 1999 3:42 PM
Subject: DML: If you had to pick......
>
> Since I have no dyno at my house to check performance, and my butt-dyno
is
> usually a very poor judge of performance, I am going to use MPG to measure
> "performance". I'm going to divide the cost of the item into how much MPG
I
> gained and rank them best ratio to worst:
>
> 1) Fram "Extra Guard" Filter: (.5 MPG increase, $5) (only used after 10k
mi)
> 2) Mobil 1 Synth oil (.5 MPG increase, $20) (used at 2K mi, and ever
since)
> 3) Quick D Intake (1.2 MPG increase, ~$140)
> 4) 30x9.5 Tires (.1 decrease city, 2 MPG increase hwy, $225)
>
> Butt Dyno rankings:
> 1) Quick D Intake
> 2) Oil & Filter
>
> The tires were a drop in acceleration, but made a huge improvement in
the
> looks and handling of the truck, especially in poor traction conditions.
>
> I know many of you are going "gimme a break" about the oil and filter
> changes, but on dino oil, my engine was a noisy beast, you could hear
every
> lifter and valve clattering away. I put in the Mobil 1, started the
engine
> and... near silence, the motor purred and all the valve-train noise was
> dramatically lessened. After 10K when I added the teflon filter to the
> system, the noise went totally away and hasn't been heard from since. I
could
> feel the power difference in the engine response to throttle position. It
> gained RPM's much faster than before. I can't explain it, I only know it
> worked so I'm sticking with it. All you skeptics can say what you will,
you
> can't disprove it to me because the proof is under the hood for me!
> I would also caution belief that a cat-back system adds to preformance.
I
> have yet to see any proof of a cat-back increasing HP or Torque. By
> definition, your biggest preformance restrictor in your exhaust system is
at
> your Y-Pipe and your Catalytic converter. Since a cat-back doesn't affect
> either of these two systems, I doubt there will be much HP improvement
found
> in such a system. By the time the exhaust hits the post Cat stage, it's
> already at it's nominal velocity, and the stock muffler doesn't change it
> much. These are mostly acoustic, cosmetic and "feel good" improvements
and
> I'd really take butt-dyno measurements from them with a grain of salt. I
can
> get testimonials from exhaust tech after exhaust tech if you don't believe
> me... ^_^ But I know all of the Cat-Back crowd will pounce on me... Ce'st
La
> Vie. In their defense, I'm having a custom Cat-Back system researched for
me
> right now. It won't really improve preformance, but it'll sure sound
cool...
> -_^
>
> Shaun H.
>
> ---original message---
> Date: Thu, 28 Oct 1999 09:53:34 -0400
> From: "Greig, Doug" <douggr@hazelett.com>
> Subject: DML: If you had to pick......
>
> I read about all kinds of mods people do to their trucks. It seems many
> will work for both two and four wheel drive and some are proprietary. My
> question to all of you is this...I you could only do one modification to
> your truck, keeping in mind it's a daily driver, what would it be? I'm
> not talking cosmetics. I'm talking about seat of your pants difference
> in performance.
>
> Yes, I am using for ideas for my truck, and I don't have wheel barrels
> of cash. Just a small plastic spoon. ;-)
>
>
> Doug Greig
> 98 CC 4X4 V6 Sport
>
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