[strictly]

1) Con Rod Side Clearance

One spec i cant find in the books is something on con rod side clearance. In particular im looking at a 71 2.2, but there is no spec for it. The closest i can find from the porsche workshop manual and spec book, is the minimum width of the con rod, but nothing on the maximum width of the corresponding crank journal.

I have a factory 912 manual to hand, which DOES have the maximum spec for con rod side clearance,along with other (VW) books, but i cant find anything in the early work shop manuals.

How important is it? When would it be excessive? 0.012"? 0.016"? 0.008"? 0.020"?

2) Piston Pin Fit

The workshop manuals talk about heating the pistons to both remove and replace the piston pins, with it then goes on to say if it is a push fit at room temperature, then an oversize piston pin must be used and the con rod rebushed.

Bruce andersons book states that the new type pistons the wrist pins are a push fit at room temperature.

So which one is right?

C) Piston Pin to Rod Fit

I read somewhere that the piston pin to rod, should fit like this...

The weight of the piston pin should SLOWLY fall through the small rod bush under its own weight .

Does that sound right?