First try at raising them... who ever said we were done there.. :>)
Dahlgren
John Beckett wrote:
>
> OK, so here are a couple of question. If you have a 9,000 RPM motor why were
> you shifting at 7,000 in the first place? Second why stop at 7,800 RPM? Why
> not 8,600 or higher?
>
> John Beckett, LSR #79, E/FCC
>
> ----- Original Message -----
> From: "Keith Turk" <kturk@ala.net>
> To: "dahlgren" <dahlgren@uconect.net>; "Marge and/or Dave Thomssen"
> <mdthom@radiks.net>
> Cc: "Land-speed Racers" <land-speed@autox.team.net>
> Sent: Monday, August 28, 2000 10:15 AM
> Subject: Re: Bonneville Transmissions
>
> > Dave is giving you the simple answer...
> >
> > Now here is what Really happened... on the fastest Pass... we averaged 214
> > in the 5 with a 218 out the back. but the real key is at the 2 1/4.... on
> > that Pass it was going 184 at the quarter.... So anyway Dave is watching
> > the Play back tach... and he says... HEY DUMMY your shifting right into
> your
> > Max Torque.... Hmmm so my answer... Geez is that why the tires spin so
> > hard?.... So we moved the shift points up to 7800 instead of 7000 and
> > walla..... No spin in the lower gears... at the 2 1/4 the car was going
> > 197.... Yep... 14 miles an hour Faster simply by adjusting the shift
> > point.... I am just imagining the Pass with the ability to run out the
> back
> > with 150 hp of Nitrous from the 2.... Yeah we are talking record
> > territory.... that is why I am taking it back.... can't wait another
> year
> > to Test the Pistons again....
> >
> > In other words... Gears and Trans gear selection as well as Where you
> shift
> > those gears is absolutely critical to it's terminal Velocity....
> >
> > Keith ( Yeah I know... geez dummy you can read a dyno sheet too... why
> > didn't you think of that...)
> > ----- Original Message -----
> > From: "dahlgren" <dahlgren@uconect.net>
> > To: "Marge and/or Dave Thomssen" <mdthom@radiks.net>
> > Cc: "Land-speed Racers" <land-speed@autox.team.net>
> > Sent: Monday, August 28, 2000 7:33 AM
> > Subject: Re: Bonneville Transmissions
> >
> >
> > > I am surprised Keith did not answer this one unless it is his
> > > secrect..LOL we changed only the shift points in his car and it went
> > > faster at the 3 (203)than it used to go at the 5(197) so I say yes it
> > > is important..and a perfect example! These were on gas only before the
> > > great piston test... and yes we raised the rpm for the shift points and
> > > not by all that much.
> > > Dahlgren
> > >
> > > Marge and/or Dave Thomssen wrote:
> > > >
> > > > Well, gang our experience might be interesting. In 1979 we ran the
> > Original
> > > > Goldenrod streamliner (the one from Denver) with my flathead (unblown
> on
> > > > gas) and a T-10 4 speed. It ran 179 MPH in the last mile and we
> thought
> > the
> > > > gear spread was just right for the motor until something malfunctioned
> > in
> > > > the transmission and it locked in high gear. We pushed it off as fast
> > as we
> > > > could (60Mph) and it chugged off barely able to pull away from the
> push
> > > > truck. The quarter time and the 2 and the 3 mile were slow, but it ran
> > > > 179MPH in the last mile anyway. Anyone have similar experience that
> > might
> > > > suggest that a long course car doesn't need a transmission at all?
> > > >
> > > > Dave the Hayseed
> > >
> >
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