Diff lock mods?

[Steve Marinello]

I'd love to know how to do it when my system decides to die.  Details would 
be much appreciated.

Steve
----- Original Message ----- 
From: "Shawn Manny" <shawn.manny at gmail.com>
To: "Bob D" <bob at maxboostracing.com>
Cc: <urq at audifans.com>; <DGraber460 at aol.com>; "Tony Hoffman" 
<auditony at gmail.com>; <quattro at audifans.com>
Sent: Wednesday, October 25, 2006 10:38 AM
Subject: Re: Diff lock mods?


> 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> 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 <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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