AU2/3/BA/BF rear brakes will not fit on the rear of an AU1 without an adapter plate between the calliper and the axle housing. At the stage. it looks like a plate of around 3mm to be used as a spacer is required - without it, the face/pad mounting area on the back part of the calliper hits the disc. The good news is that the disc fits with the handbrake shoe etc, so if you used a spacer plate with an appropriately longer bolt, then it should be OK. BUT, I will stick with the AU1 rear brakes. While the BA disc is larger, and the pads look to be slightly wider, the calliper is pretty much the same, so I don't see any benefit in changing the rears, especially as a spacer is needed and I'm not 100% sure on how safe that would be.
So today, instead of fitting the rears, I painted the fronts - it took twice as much paint as required for a series one calliper! LOL.
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The Hammer: FG GTE | 376rwkw | 1/4 mile 11.793 @ 119.75mph 1.733 60' (4408lb)
1 of 60 FG MK1 335 GTEs (1 of 118 FG Mk 1 & 2 335 GTEs).
Mods: Tune, HSD/ShockWorks, black GT335 19” staggered replicas with 245 & 275/35/19 Michelin Pilot sport 5s
Daily: BF2 Fairmont Ghia I6 ZF, machine face GT335 19” staggered Replicas with 245s and 275s, Bilsteins & Kings
FPV 335 build stats: <click here>
Ford Performance Club ACT
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