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Re: Bonneville 2003

To: "Dave Dahlgren" <ddahlgren@snet.net>,
Subject: Re: Bonneville 2003
From: "John Beckett" <saltracer@servusa.com>
Date: Tue, 26 Aug 2003 18:26:33 -0400
Dave

With my "D" motor I've run 3-speed automatics, 3-speed manual, 2-speed
manual (low gear removed) and 4-speeds. My best results were defenatly with
the 4-speed.

JB
----- Original Message ----- 
From: "Dave Dahlgren" <ddahlgren@snet.net>
To: "James Tone" <gmc6power@earthlink.net>
Cc: "Land Speed List" <land-speed@autox.team.net>
Sent: Tuesday, August 26, 2003 6:53 AM
Subject: Re: Bonneville 2003


> I think it might have to do with the engine you select and the torque
curve that
> it has. An inline six is 'torquey' by design that is why you find them in
> trucks. the nitro has more to offer at low revs than high.. A 90 degree
v-8 with
> peak torque at 7000 has to have a transmission to stay in the torque range
of
> the engine. Maybe you were shifting the trans you had at too high an rpm??
If
> you send a dyno sheet and some basic dimensions of the car i would be glad
to
> run the numbers and see how many speeds are appropriate and what shift
points
> would provide the best results.. If your exit speed is over the 4-5 mile
average
> by more than a mile per hour or you have not reached peak rpm you still
have
> something to gain with a transmission. From what I have found with a small
> engine car you need to get between 85 to 90% of the terminal speed by the
2 1/4
> mile trap in order to get all the speed the car has to offer...
> Dave Dahlgren
>
> James Tone wrote:
> >
> > I just need to know why all you guys need transmissions with more than
high
> > gear?  From the 2nd Tone with a red hat!!!!!!   (Too old to shift but
not too
> > old to drive)   J.D.    ps. next year 80% and just 2 speeds

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