Ron Soave wrote:
Terrible pic on Rick Haynes's site, sportsandimports.biz under
engine and driveline section. I have a pic on a recently died
computer I'll get soon. PN on box is 61-041. It's really just a
ball throwout bearing with a cast piece that rides on the input
shaft in front of the stock bearing. You have to ream the center
bushing or turn the input shaft down. No one seemed to be able to
tell me why anyone would turn the shaft when reaming is so much
easier.
Ron,
Thanks for the info. You jogged my memory about why it was decided to
fabricate a guide tube. The price for that guided bearing is more than
twice what the regular release bearing (61-635 ?) costs, and of course
it has to be reamed or the input shaft modified. My guide tube will be
welded to a plate which bolts on top of the front cover, but I didn't
have enough parts assembled yet to get the length dimensions to finish
the design. You know this has been done by many people over the years,
but few people keep the documentation after all of that design work,
and the few that do can't find it.
I have heard of several of the SCCA fast guys having trouble with
excessive wear on the hubs of Tilton's discs which can cause a variety
of problems. You may want to keep an eye on that. Hard to believe for
what a racing disc costs these days. Bob Griffith (BHP Developments)
is making his own discs with properly hardened hubs and kevlar lining,
it takes a special spacer because it's thicker. It was tested
successfully in several races this year on a 5.5" single plate clutch,
but he'll probably be doing 7.25" discs also.
John
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