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Date:         Wed, 12 Apr 2006 16:21:35 -0400
Reply-To:     "Bostig Eng." <syncrolist@BOSTIG.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Bostig Eng." <syncrolist@BOSTIG.COM>
Subject:      Re: Latest dyno run
Comments: To: Jake de Villiers <crescentbeachguitar@GMAIL.COM>
In-Reply-To:  <71d9cdf90604121241x421d6d9eta08a98d23c026d84@mail.gmail.co m>
Content-Type: text/plain; charset="us-ascii"; format=flowed

Yes our dyno runs are wheel horsepower/torque... we're not at all interested in the let's publish the highest number we can game, but rather let's let everyone see how things really compare, and give them the best idea of what to expect. BTW very good guess on the wheel horse of a stock van.

Jim

At 03:41 PM 4/12/2006, Jake de Villiers wrote: >So Jim, am I correct in thinking that your numbers are actual rear wheel >horsepower? I've always thought the van put about 75 horsepower to the road. > >On 4/12/06, Bostig Eng. <syncrolist@bostig.com> wrote: > > > > The tricky part is this... even though David might have dyno results, > > comparing them side by side to ours isn't really useful unless they were > > on > > the very same dyno, and if you're a stickler on the same day (for similar > > conidtions). (So David get down here for a visist! and show us your tdi!!) > > For instance the GoWesty hp/dyno numbers are calculated flywheel numbers > > taken from a Dynapack dyno... these aren't comparable to the dynojet > > numbers that we have for instance (they will read higher than the dynojet > > esp since they remove the wheels/tires to run it then backcalculate the > > flywheel hp). I'm writing an article for our website explaining this in > > detail, and showing some calculations to bring some of the results into a > > normalized form for comparision, and so that vanagon folks will have a > > much > > better handle on how to read published/advertised power numbers. > > > > Jim Akiba > > > > At 10:49 AM 4/12/2006, Alistair Bell wrote: > > >That's great! lets see those dyno results you've generated and we can > > >compare them with what Bostig published. > > > > > >Alistair > > > > > > > > > > > > > > >On 12-Apr-06, at 7:10 AM, David Marshall wrote: > > > > > >I'm sorry... didn't see the torque *way* down there. I'm too used to > > >seeing > > >the torque from a TDI! ;-) > > > > > >David Marshall > > > > > > > ________________________________________ > > Bostig Engineering > > Engine Systems Voodoo > > http://www.bostig.com/ > > 617.272.3800 > > ---------------------------------------------------------------------- > > > > > >-- >Jake >1984 Vanagon GL >1986 Westy Weekender "Dixie" >www.crescentbeachguitar.com

________________________________________ Bostig Engineering Engine Systems Voodoo http://www.bostig.com/ 617.272.3800 ----------------------------------------------------------------------


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