Thread: What did you do to your Puma today?

39 pounds is OK.

Originally Posted by DiscoMick

39 pounds is OK.

Plus some shipping im guessing...

Picked the 90 up after getting an Ashcroft ATB centre diff fitted. With the previously installed Ashcroft ATB diffs front and rear this has resulted in eliminating ALL slop in the drive line.

After the BAS remap, replacing the diffs has given the best bang for the buck of anything I've done to the car.

Very happy.

Also had the adapter shaft replaced with the Ashcroft shaft as a preventative measure while the transfer case was off, hopefully a bullet proof drive line now.

Originally Posted by filcar

Picked the 90 up after getting an Ashcroft ATB centre diff fitted. With the previously installed Ashcroft ATB diffs front and rear this has resulted in eliminating ALL slop in the drive line.

After the BAS remap, replacing the diffs has given the best bang for the buck of anything I've done to the car.

Very happy.

Also had the adapter shaft replaced with the Ashcroft shaft as a preventative measure while the transfer case was off, hopefully a bullet proof drive line now.

may I inquire as to what sort of cost is involved in all 3 diffs?

Originally Posted by ninetubes

may I inquire as to what sort of cost is involved in all 3 diffs?

About $2500 supplied and fitted for the ATB front and rear, hard to split out the cost of the centre diff as other work was done at the same time but the centre diff cost around $1200 plus whatever the labour is for removal and refit of transfer case etc, all work done

by Les Richmond Automotive as they carry most of the Ashcroft gear in stock on the shelf.

Atb centre diffs cost about $550-$600. Tcase full rebuild kit cost around $300.
Front and rear atb's cost around the same as the centre atb, bearing kits around $100.
So if you buy direct and can fit them yourself, pricing is pretty good. (Add shipping to that)

The centre atb is a great bit of gear, i'm glad i fitted one.
Front atb, i'm not 100% sold on.

Originally Posted by Vern

The centre atb is a great bit of gear, i'm glad i fitted one.
Front atb, i'm not 100% sold on.

What does an ATB do in the centre diff? I thought an ATB was like an LSD?

Originally Posted by Danjeffery

What does an ATB do in the centre diff? I thought an ATB was like an LSD?

An ATB is an ATB. Regardless whether its positioned between left/right axles (replacing front/rear diff centres), or positioned between front/rear prop shafts (replacing centre diff centre).

With the Ashcroft centre ATB installed - the CDL still operates as it does normally. This is of course essential due to the way an ATB works (i.e. when there is no torque on the driveline it behaves like an open diff)

"No torque on the driveline" is a situation that routinely happens when one side of a diff is free-spinning (e.g. wheel in the air), or whenever there is no drive being applied to the driveline (throttle neither driving or trailing, or transmission in neutral).

It'd be really nice if the front/rear diffs were also lockable when an ATB is installed since they too act as open diffs in a "no torque" situation. Having traction control does mitigate this.