Good advice again.
Yes, ive read about the S calipers... That would be a nice surprise.
I need them to get the FIA group 3 certificate: the 2.0S, 2.2S and not the 2.4S/2.7RS...
For the engine mod., that's sound good (for my wallet
S flywheel, S pistons, Solex cams, normal head and TB, we can try that.
And good balance for the crankshaft.