Yes true, Laycock did make a variety of models, the A type being the
strongest, used even on ferraris, aston martins and other great cars,
wich promptly broke them at the first significant abuse.
This is why they are hens teeth today.
Jarrid Gross
Robert Dobrowski wrote:
>
> Don't forget that Laycock made several versions of their overdrive to
> cover a broad range of vehicles.
> The overdrive used in the Alpine was obviously one of the smallest.
> Some were fitted to Jaguars with engines putting out 250+ HP.
>
> On Tue, 18 Jun 2002 08:36:37 -0700 Jarrid Gross <JGross@econolite.com>
> writes:
> > Tom,
> >
> > The designs are similar. I suspect that Gear Venders didnt buy
> > a product license, but rather bought their patents.
> >
> > The gear vender overdrives have much larger planetaries, which
> > in conjunction with the clutch sizes, determine the overall capacity
> > of the the overdrive.
> >
> > From time to time a Laycock turns up on Ebay, with the seller
> > reporting that its the same thing that Gear Venders sells, and they
> > were going to put it on a small block chevy or something.
> >
> > Id pay a dollar to have been there when they let the clutch out
> > for the first time...
> >
> >
> > Jarrid Gross
> >
> >
> > -----Original Message-----
> > From: owner-alpines@autox.team.net
> > [mailto:owner-alpines@autox.team.net]On Behalf Of Tom Hill
> > Sent: Tuesday, June 18, 2002 6:44 AM
> > To: Robert J.Jaarsma; 'John Slade'; 'List, Alpine'
> > Subject: RE: Transmission oil - overdrive
> >
> >
> > According to their website, Gear Vendors purchased the Laycock
> > design and
> > are still selling a version of it. I think it is interesting
> > because they
> > list applications for all sorts of high torque, heavy-duty
> > applications such
> > as tow trucks and motorhomes. They claim a 30,000 gross combined
> > weigh
> > rating for their O/D. Cost is anywhere from $2,400 to $3,500!! I
> > wonder if
> > any of the parts interchange?
> >
> > Tom Hill
> >
> >
> >
> > -----Original Message-----
> > From: owner-alpines@autox.team.net
> > [mailto:owner-alpines@autox.team.net]On Behalf Of Robert J.Jaarsma
> > Sent: Thursday, June 13, 2002 9:19 PM
> > To: 'John Slade'; 'List, Alpine'
> > Subject: RE: Transmission oil - overdrive
> >
> >
> > Is this "OD Spares" of Wolston near Coventry? Tel.0044 24-76543686
> > Fax
> > 004-24-76544973 or ODSPARES@aol.com .They specialized in OD
> > conversion
> > for any type of rear wheel drive car.
> > Robert
> >
> > -----Original Message-----
> > From: owner-alpines@autox.team.net
> > [mailto:owner-alpines@autox.team.net]
> > On Behalf Of John Slade
> > Sent: Thursday, June 13, 2002 17:22
> > To: List, Alpine
> > Subject: Re: Transmission oil - overdrive
> >
> > I went through this last year, while fitting a Laycock overdrive to
> > my
> > non-overdrive S IV, and to a Bristol. It turns out that the gearbox
> > likes hypoid (gear) oil, while the overdrive likes ATF. If you have
> > a
> > car in which the oil is separate for the gearbox and the overdrive,
> > then
> > you use these two lubricants. If, on the other hand, you have a
> > set-up
> > like that in the Alpine, where a common fluid services both gearbox
> > and
> > overdrive, then a compromise must be reached. The manufacturers,
> > certainly in the fifties and the early sixties, decided that
> > non-detergent single weight engine oil was the best compromise, and
> > made
> > that recommendation. I have stuck to that recommendation over the
> > years,
> > and have never had on overdrive problem.
> >
> > Laycock is no longer in business. Their repair and overhaul business
> > was
> > taken over by a company called Overdrive Repair Services in
> > Sheffield,
> > UK, which I think is owned by former employees. They have a web site
> > (ORS) and an e-mail address, neither of whose URLs I can lay my
> > hands on
> > right now, but I have found them to be difficult to communicate
> > with.
> >
> > For what it's worth
> >
> > John Slade
> > Manotick, ON
>
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