Yup, the wide ratio drop on most factory 5-speed OD's (and automatic OD's
too) is what makes them less than ideal for Bonneville use.
John
----- Original Message -----
From: "William T Smith" <WmTSmith@landracing.com>
To: "John Beckett" <landspeedracer@email.msn.com>
Cc: "DrMayf" <drmayf@teknett.com>; "David Freiburger"
<FreiburD@emapUSA.com>; <land-speed@autox.team.net>
Sent: Saturday, June 16, 2001 10:13 AM
Subject: Re: Lenco for LSR vs T-10
> John, Those figures match what I get from GM. If I were
> doing it I would look at a T-10 and as close as I could
> get 3rd 4th unless I had a realy wide torque band. wmts
>
> Quoting John Beckett <landspeedracer@email.msn.com>:
>
> > Mayf
> >
> > Nope, clutchless shifting is available with most race
> built 4 & 5-speeds as
> > well as the Lenco.
> > And yes you have rotating gears in a 4 or 5-speed,
> but at any given time
> > 75%
> > are free wheeling and don't take enough HP to amount
> to anything. It's not
> > just the rotating mass that counts it's also, and
> often more importunately,
> > efficiency that really counts. The lack of efficiency
> in a T-400 eats about
> > 50
> > HP over a clutchless 4-speed.
> >
> > John
> >
> >
> > ----- Original Message -----
> > From: "DrMayf" <drmayf@teknett.com>
> > To: "David Freiburger" <FreiburD@emapUSA.com>; <land-
> speed@autox.team.net>
> > Sent: Friday, June 15, 2001 10:13 PM
> > Subject: Re: Lenco trans for LSR?
> >
> >
> > > Dave,
> > > clutchless shifting? Don't you have to have either
> a sprint car type
> > > coupler, a regular clutch, or a torque converter to
> handle the in gear
> > out
> > > of gear, nuetral, coast issues anyway? As to
> rotating mass, every gear in
> > a
> > > 6 speed is rotating at the same time, so I don't
> see too much difference
> > in
> > > rotating mass. There are clutches inside which
> might slip though? Plus,
> > > don't you have to have a tranny blanket with
> planetary trans? Not with
> > > regular trans. I think they look cool, and would
> like to see some
> > different
> > > innovation along these lines...
> > >
> > > mayf, the ignorant desert rat and owner of the
> world's fastest Sunbeam
> > > wannabie....
> > >
> > > Subject: Lenco trans for LSR?
> > >
> > >
> > > > I've been copied on some messages from the list
> for a while, but now
> > I've
> > > officially signed up at my direct e-mail address
> rather than through Rod
> > &
> > > Custom.
> > > >
> > > > Anyway, here's the deal. Keith Turk and I have
> been back and forth on
> > this
> > > one, so what do you think: is a Lenco appropriate
> for LSR? You can put
> > > together a five or six-speed with nearly any
> combination of ratios. I say
> > > that the instant, cluchless shifting will save
> valuable ground. Keith
> > thinks
> > > the rotating mass of all those planetaries could
> suck too much power. I'm
> > > thinking of using one in a '79 Trans Am with a big-
> block for A/GC,
> > A/GALT,
> > > and A/FALT.
> > > >
> > > > DF
> >
> > ///
> > /// land-speed@autox.team.net mailing list
> > /// To unsubscribe send a plain text message to
> majordomo@autox.team.net
> > /// with nothing in it but
> > ///
> > /// unsubscribe land-speed
> > ///
///
/// land-speed@autox.team.net mailing list
/// To unsubscribe send a plain text message to majordomo@autox.team.net
/// with nothing in it but
///
/// unsubscribe land-speed
///
///
|