Re: [T3] another question - engine assembly

[Jens Vagelpohl <jens@type4.org>]

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On Feb 8, 2005, at 17:46, Jim Adney wrote:
> Early engines used no O-rings here at all. I believe the O-rings were
> introduced around '66, but don't take my word for this. I know they 
> were there
> by '68. The instructions for rebuilding early engines were to 
> countersink the
> holes in the right case halves (the ones without the studs.) If these
> countersinks were made just a bit bigger than the double countersinks 
> in the
> late cases then the same O-rings would work there.

Please correct me if I am wrong, but from my (non-T3) experience 
rebuilding T-1 engines in the mid to late 80s I distinctly remember the 
nuts that were provided by VW to go with the cross-crancase bolts 
having a plastic insert that you were supposed to mount facing the 
crancase. This plastic insert protruded from the nut and provided the 
seal, it got compressed during tightening.

jens

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