Quote:
Originally Posted by Boydyrs
Guys this thread is very informative but can someone suggest best way forward to upgrade rear brake assembly on '89/'90 964 C2 with small single piston rear caliper?
Also is it easier to replace the rear arms to later style?
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Depends on what you mean by a brake upgrade.
The 2 piston rears actually develop more brake toque than the 4 pistons, the 4 pistons have a bigger pad, it's actually the same as the front pad.
If you want to use a 4 piston rear caliper then any 964 rear(not RS) bolts in. The 944 4 piston rears would also work but the bleeds and feed would need to be swapped on those.
you would be looking for 28/30 axial mount calipers
On left 2 piston on right 4 piston, both are 9634 rears
