based on the size of my pushrod seals, Matt told me I had a "Pre-August 1975" model. I do not have an o-ring on my flywheel, so I hope the cross over on that was not the same as the bolts.mattcfish wrote:My 8/75 R90/6 has 11mm bolts and the o-ring on the flywheel.
In any case, nothing gave at all when I went to 80 Ft-pounds so I am gonna call that part good.