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The A-525 is the weakest of all our trans, especially in the diff, area.

It's not uncommon for dirt trackers to weld the diff to make a locker.

As with everything, there is a right and not so right way to weld them.

The axle and spider gears should NOT be welded together.

This encourages breakage, I've welded many RWD diffs.in my day.

Any 5 speed from any FWD 2.2/2.5, 1987 and up will be a lot stronger.

EG: 520, 523, 555, 568 EG: Daytona, Shadow, LeBaron etc. Turbo or N/A

Excepting, L body, Charger, Omni, Horizon, Rampage, they all ran weak 525's

1988-1990 automatic Omni axles must be also used for their larger inner splines.

All non L-body trans listed above used stronger diffs. with large spline axle gears.

If sourcing a trans try to get it's matching shift cables and shifter.

They vary, depending on the transmission used.

1987-89 520/555 are compatible, as are 1990 up 523/568.

All transmissions fit all blocks 2.2/2/5 but there are 6 &8 bolt flywheels.

Thanks
Randy
 

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Just AFYI.

Around 1985 2.2 cranks went from 6 bolt to 8 bolt flywheels.

At the same time torque converters went from 3 to 4 bolts.

Also, the trans pump snouts were different so there can be mismatches.

This era can be confusing as these were running changes during the year.

They also upgraded to 11 mm head bolts from 10mm.

Thanks
Randy






Looks like i will be replacing transmission soon. I do have an automatic to put in til the tranny can get further inspected
 
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