Was talking to my Canadian Rotax expert who has been to Austria for training a
few times over the years.
The Johnson Lifter company did indeed supply Rotax with Lifter's for some years.
There was a SB regarding wearing through the hard surface on the Cam, he thought
around 2002 maybe? They had gone to a highly polished cam face on the lifter's
for a time but not anymore. The new lifter's he said are much more costly
to purchase for some reason & he didn't know who is supplying the new lifter's
He told me the Cam is taper ground, I forgot to ask him about the tight
clearance
issue, but Rotax is famous for tight clearances'
Those Johnson HT 900 lifter's will fit all the old Ford V8's, 260, 289, 302,
351W,
351C, 429, 460, I'm sure I missed a few but you get the idea, and Rotax 9
series
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