[V8] interested in increasing fuel economy?

[Scott DeWitt]

I got a +6 mpg improvement on my V8 when I changed the O2 sensor.

Scott

On Thu, November 7, 2013 4:21 pm, Scott Justusson wrote:
>
>  Bingo.  And I'd bet any controller only makes mileage worse.  Mileage
> goals were not lost on the flagship v8 design back in the day.
> Underbelly trays front and rear, small lightweight wheels, lightweight
> tires (michelin OE tires some of the lightest for their size),
> lightweight (UFO) brakes were all part and partial to the v8 optimal
> mileage routine (reciprocating mass).  The trans controller in 'E' mode
> was designed to not be 'Sport' mode by definition.  And considering the
> FMSS EPA test procedures, I doubt any aftermarket design controller will
> prove better than the stock shift control.
>
> Scott D is right:  If you have to focus on the mileage of a v8, you are
> driving the wrong car.  Paul is right, increase the thermal, fluid and
> mechanical efficiencies will do more than throwing money at a black box
> that will more than likely prove the exact opposite in the 'mileage
> increase' theory, in practice.
>
> I would add, make sure you leave the belly pan on, keep the engine in
> proper tune with proper spark plugs and a new'er 02 sensor, the direct
> benefits to mileage becomes as real as the right foot you are using to
> modify any baseline.
>
> my .02
>
> 92 v8 ABT Chipped
>
>
>
>
>
> -----Original Message-----
> From: Paul Jager <pjager at telus.net>
> To: v8 <v8 at audifans.com>
> Sent: Thu, Nov 7, 2013 2:31 pm
> Subject: Re: [V8] interested in increasing fuel economy?
>
>
> quackery of the first order. shifting down earlier increases fuel
> consumption & does not reduce it.  Also you can't just shutdown injectors
> in
> indirect engines not designed to do so. makes no sense to consider this.
>
> you can reduce fuel consumption easily through physical means:
>
> Purge the car of junk (reduce weight)
> Lube the brake pins & pads so there is no drag
> Low rolling resistance tires - ive done this and they do make a difference
> Low engine oil viscosity - 5W15 or a 0WXX. I did this to reduce the head
> port oil leak and it was great.
> We block off a section of the rad in the winter - more heat and improved
> aerodynamics
>
> The kids averaged 12.5L/100km over the past year in rural mixed driving,
> best I've seen from Verboten (now forgotten but not gone!)
>
>
>
>
> -----Original Message-----
> From: brat boy
> Sent: Thursday, November 07, 2013 11:47 AM
> To: scotty at advancedautomotion.com ; v8 at audifans.com
> Subject: Re: [V8] interested in increasing fuel economy?
>
> I think he wants aound 300 for the unit, but in Canada that return comes
> fast. Mind you, the return comes fast for anyone who drives a lot. Id
> rather
> it be out there and become a viable option then tell people not to
> consider
> anything. Its for those who might want it so all the power to them right?
> And yeah, at the moment I'm at 50 psi. It feels great but for the crap
> roads
> I seem to drive on a lot....
>
>> Date: Thu, 7 Nov 2013 13:26:00 -0600
>> Subject: Re: [V8] interested in increasing fuel economy?
>> From: scotty at advancedautomotion.com
>> To: excit97 at hotmail.com; v8 at audifans.com
>>
>> It's an interesting question but if you want fuel economy, your in the
>> wrong car. i suspect the device your speaking of costs several hundred
>> dollars at a minimum and I doubt that you'll increase economy more than
>> a
>> few MPG which would mean your ROI will be very long. The best thing that
>> one can do to increase fuel economy is air up the tires to the max
>> recommend pressure and drive like your driving Miss Daisy and that
>> doesn't
>> cost a dime.
>>
>> Scott
>>
>>
>>
>> On Thu, November 7, 2013 12:06 pm, brat boy wrote:
>> > I was browsing our auto transmission online because I have such an
>> > active
>> > and exciting life. I ran across a forum of BMW 8 Series owners whose
>> > cars
>> > use the RWD version of our box. A forum member in Germany hated the
>> fuel
>> > economy and decided to get an engineer involved and they developed an
>> > add-on box that makes the transmission kickdown come in earlier. It
>> even
>> > looks like the units might connect directly to our transmission
>> control
>> > units without their having to change the software. My question is,
>> would
>> > anybody be interested something like this?
>> >
>
>
>
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-- 
Thanks!
Scott DeWitt
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