Quote:
Originally Posted by ollykiwi3
That's all great in theory but not relavent to to my setup. Although I have xjs/xj6 callipers I don't have original masters due to no booster and small pedal ratio. I checked again and the pedal ratio is actually 2.7:1. Hence the smaller masters.
I don't recall exact size of Pistons on front ,but pretty damn sure there not 60mm. I'm still trying to get someone to tell me the sizes so I don't have to pull them apart to find out. So it's mid 80's xjs/xj12 front and s3 Xj 6 rear. I think 45-48mm. Can someone confirm.
Thanks
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I think Bob (Strictlypersonal) from ERA was speaking in reference to my post and addressing the size of the ERA front GM caliper which is single piston. Aren't the front Jag calipers from that time a 4-piston caliper? I believe the total area of all 4-pistons has to be considered together. But, I have a feeling this isn't really a road map to solving your issue with the rear brake chatter.