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No!

The 1.5 and 2 ways have a series of clutch packs that can allow the diff to be open ie when your turning tight with the clutch in each wheel can turn independently.

When load is put through the unit it forces the locking mechanism on. The amount of tension you set the diff up with via shims gives you more or less force required to lock it.

With a mini spool you remove the planetary gears of a stock diff and connect the two drive shafts through the spool which effectively locks both drive shafts to the crown wheel.

A full spool is a 1 piece crown wheel and spool which works exactly the same as the mini but is far stronger.

When you weld the diff you simply weld the planatary gears up so they can not rotate. It is very dodgy but in a shit box works fine.

Most serious track cars run full spools.

I've got a 2 way Kaaz and it is annoying around town when it clunks and bangs as it locks on and off.

Can you adjust the amount of force needed to lock the diff's? I have heard a few people mention changing the pre-load, but I have no idea myself and I am looking at upgrading my diff

Chris

a believe a 1 way diff locks only in forward load

1.5 locks fully in forward and not a tight in reverse or negative load ie. down shifting

2 way locks under the same load in either direction.

What makes this happen is the angle of the ramps where the locking mechanism id held in by the preload.

More load makes it harder to come up the ramp and allow one wheel to turn more or less then the other when your making a turn. Every time you get a bang or a clunck it's when the centre has turned 90 degrees and moved around to the next slot.

A more shallow ramp allows this to happen smoother.

It would be possible to have a 2 way set with ligth preload and it would be very smooth.

Or a 1.5 very tight that would be really cluncky with forward loads but not as bad in with reverse loads.

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