funny you mention this piston issue rick...I just did the pads on mine and I actually ended up HAVING to get out the electric hand sander and shave off about 1/16" pad material just to get that #$%#$ in there.
Glad to hear it isn't just me :p

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Chris
1985 300SD - 'Grace' (198K mi.)
2018 Honda Civic Sport
2018 Honda CRV LX
2010 Honda Fit Sport (RIP)
2013 Honda Accord Sport (Sold)
1996 Lexus LS400 (Retired)
1995 Ford Contour SE (Retired)
1976 Porsche 914 (Sold)
1972 Datsun 240Z (RIP)