[jluetjen]

Just to second SteveF_911, I too have a 2.0E with S pistons. The only place in the rev range where a T might make more torque is coming off of idle, so say below 2000 RPM. The only caveat that I'd add is that my E has MFI which seems to help the engine pull smoothly from below 2000 and develop a few more HP at peak RPM. Carefully tuned carbs should still be able to pull smoothly. I'd strongly suggest an MSD (or equivelent) multi-spark ignition since the combustion chamber resulting from using the 2.0S pistons is prone to fouling at low rev's.

Given that original forged 2.0S pistons are no longer as available as they once were, you'll most likely end up going with something like JE pistons. If you are going to do that, you might as well overbore your cylinders a couple of MM's to get the "while you are in there" benefit since I doubt that there is much of a cost difference between 2.0 9.5+:1 pistons and 2.1 or 2.2's.

As far as cams go, the '69E cams (I doublecheck my shop manuals and the 2.2's and 2.4's had the latter spec cams) were the same as Solex's with the exception of the MFI drive off of the left one.