Diff lock mods?

Bob D bob at maxboostracing.com
Wed Oct 25 08:09:04 EDT 2006

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!

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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