[urq] Diff lock mods?

[Bob D]

Ill see if I can dig up the schematic/parts list etc.
The fun part was mounting the solenoids but it wasnt that terrible.


Shawn Manny wrote:
> Any chance I could get some more details on this setup? I'd love to do 
> this to the rally car.
>  
> Shawn
>
>  
> On 10/25/06, *Bob D* <bob at maxboostracing.com 
> <mailto:bob at maxboostracing.com>> wrote:
>
>     thanks :)
>
>     Now I remember, yes, I used the motor solenoids from a GM door lock,
>     they are strong and weatherproof. The buttons were on a carbon
>     fiber box
>     mounted on the steering wheel so the buttons were always within thumbs
>     reach.
>     We should have salvaged those parts off the car....
>
>
>
>     Mark J. Besso wrote:
>     > I'll second that since it was my 4KQ that Bob designed/built
>     them for.  They
>     > utilized the door lock solenoids from a GMC Jimmy (gasp!) and
>     they never
>     > failed to engage/disengage immediately; regardless of weather.
>     >
>     > Thanks again, Bob.... I sure miss that car!
>     >
>     > ~MB
>     >
>     >
>     > -----Original Message-----
>     > From: Bob D
>     > Subject: Re: Diff lock mods?
>     >
>     > I made this mod to a 4000q some time ago, using electronic motor
>     > solenoids. I then had 2 buttons on the steering wheel that
>     engaged or
>     > disengaged each one. They could be done independantly at that
>     point. It
>     > worked great!
>     > bob
>     >
>     >
>     > Tony Hoffman wrote:
>     >
>     >> Dennis,
>     >>
>     >> I have thought of doing this in the past with electronic
>     solonoids. Not
>     >>
>     > sure
>     >
>     >> if it has been done, though. Having dealt with enough cables (hood
>     >>
>     > release,
>     >
>     >> choke, bicycles, e-brake) I'd shy away from this due to dirt
>     and rust.
>     >> However, I can't see why it couldn't be done. Probably want to
>     use hood
>     >> release or ebrake, as these should be long enough to work.
>     >>
>     >> Tony Hoffman
>     >>
>     >>
>     >> On 10/24/06, DGraber460 at aol.com <mailto:DGraber460 at aol.com>
>     <DGraber460 at aol.com <mailto:DGraber460 at aol.com>> wrote:
>     >>
>     >>
>     >>> Has anyone modified the URQ diff lock set up to be manual as
>     opposed to
>     >>> vacuum operated?
>     >>> On my late build 83 (now totaled) the locks worked but were
>     quite slow,
>     >>> and
>     >>> had the ability to lock center only or both center & rear. My
>     current
>     >>> early
>     >>> build 83 has an "on off" set-up linking both center and rear,
>     and will
>     >>> engage
>     >>> them but not disengage them.
>     >>> Over the weekend I had the car up off all 4s and used a vacuum
>     pump to
>     >>> thoroughly test the system for leaks, and both the green
>     (engage) and red
>     >>> (disengage) systems are leak free. The red system just doesn't
>     have
>     >>>
>     > enough
>     >
>     >>> grunt  to
>     >>> pull the diffs off.
>     >>> I would like to go to a manual system with levers and control
>     cables but
>     >>> need to source some "custom" parts and cables, and was curious
>     if anyone
>     >>> else
>     >>> has already done this.
>     >>> I had recently thought my alignment was bad as the car would
>     corner
>     >>> weird  on
>     >>> long sweepers and just handle a bit strange. it now appears my
>     rear diff
>     >>> has
>     >>> been locked for some time.
>     >>> TIA.
>     >>>
>     >>> Dennis
>     >>> Denver
>     >>>
>     >
>     >
>     >
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