Rocker arms of the Fiat 100 engine?

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Rocker arms of the Fiat 100 engine?

Kevski Style

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Does anybody know what the ratio of the standard rocker arms on a 100 series engine are? Or where they different throughout its life? I'm currently looking in to it as a fairly easy swap for a FIAT 127 (903cc) . Are there any rockers that you can swap in or out, to gain a little more lift throughout the rev range without swapping the cam?

I know there a heaps of options for chevy's or mini's, but I haven't found them for the Fiat 100 engine.

Any help is appriciated!
 
Right: Just measured them, and for every 1cm of pressure, it equates to 1,6cm on the valve side. So that would equate to a rocker ratio of 1,6:1 . Is there anything higher that'll fit? I'm looking for a 20% gain in lift to maximise the lift to valve diameter.
 
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