So David it all boils down to:
Are you a stick man or a pedal man?
Do you want one stick and 3 pedals or 3 sticks and two
pedals?
> This is a bit long, so delete it if you don't care
about Lenco
> transmissions.
>
> Thanks to everyone who responded to my pleas for info
on the use of a Lenco
> trans for LSR. I've spoken several times to Gary
Sumek, owner of Lenco, and
> here are some tidbits to chew on:
>
> - The street Lenco (adequate for 1000-plus hp at
Bonneville) is available
> with modules of 1.25:1, 1.31:1, 1.38:1, 1.44:1, and
1.48:1. By stacking
> modules you get the ratios you want--for example, a
three-speed uses two
> modules. If you chose a 1.38 and a 1.48, your ratios
would be First, 2.04
> (1.38x1.48); Second, 1.38 or 1.48 depending on which
lever you chose to
> pull first, and Third of 1.0:1. You can stack as many
modules as need to
> make a five-speed, six-speed, or whatever.
>
> - The Lenco uses planetary gearsets that are manually
engaged with an
> individual shift lever per gear. Shifts are made
without disengaging the
> clutch. By pulling the handles in a different order,
you can adjust your
> gear splits depending on your engine or track needs.
>
> - There is no pump, like an automatic has, so they
don't suck as much power
> as an automatic. Horsepower draw depends on how many
units you stack up.
> With a five-speed Lenco, there would be more power
loss than with a
> conventional five-speed but less than with an
automatic.
>
> - There has been some talk about how the Lenco's
quick shifting would cause
> traction loss on the salt. In fact, the shift rate
can be adjusted using
> the shift-tower pressure. You can also pull the
handles slowly rather than
> quickly to slip the planetary clutches a bit.
>
> - Some guys said a Lenco runs too hot. Lenco says
they have a few cars that
> have driven cross-country with their transmission and
no cooler. If it's
> that much of a concern, you can plumb the Lenco fluid
through an electric
> pump and a cooler.
>
> So, in all, I'm still not convinced this is a totally
bad idea. How about
> all of you?
>
> DF
>
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