the turnbuckles on my short pushrods are 35mm.
Here you can c some pics I quickly took and posted on my webserver:
http://www.ludodg.com/RC/albums/Pred_pushrodMod2/
I first measured it up, then drilled with a 1.5mm drill and then with a 3mm drill.
and ... thx!! By taking and checking these pics, I noticed the left front drive shaft is bend

I hadn't noticed it earlier.
Kev, what do you mean by cut the shock balljoints down?
Should you cut a balljoint? Where and why?
I haven't and do not seem to have any contact between the pushrod and drive shaft, ...