View Poll Results: Primary Solutions
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Primary solutions
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Stage III
Joined: May 2023
Posts: 3
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From: WI
there aren't primary chains made at all that are either wet or have to be bathed right
Club Member
Joined: Jun 2015
Posts: 8,049
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From: Canada
No primary o-ring chains but it would be nice if there was, I would toss the belt and go with a chain like that.
The downside to going dry is the clutch hub bearing is now running dry and greasing it will only lead to the grease leaving the bearing once its spinning. The bearing is only in use when the clutch is pulled in and some will claim to have run theirs dry successfully since before I was born but a bearing is a bearing and if it's run dry long enough it'll fail. That said I have three pans with belt drives but they aren't my daily ride.
The downside to going dry is the clutch hub bearing is now running dry and greasing it will only lead to the grease leaving the bearing once its spinning. The bearing is only in use when the clutch is pulled in and some will claim to have run theirs dry successfully since before I was born but a bearing is a bearing and if it's run dry long enough it'll fail. That said I have three pans with belt drives but they aren't my daily ride.
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,703
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From: poway
One would hope that going to a belt drive primary that the clutch could be changed to a later style dry clutch with a sealed bearing..
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Club Member
Joined: Jun 2015
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From: Canada
Im not sure if the transmission shaft would accept the new clutch hub, someone else here could answer that.
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,703
Likes: 7,887
From: poway
Looked at Primo and BDL. They use the stock inner hub / stock plates.. It's a keyed, tapered shaft. I'd expect that it's possible to make one tho.
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Joined: Nov 2006
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From: la la land jerzey
We 8 mm belt or 11mm belt kits to all most all the restos we do as the oil is the thing that makes owners crazy BUT we use a PCV type valve on the vent hose we add and its a different system
if you use the red alto clutch discs and the steels with out the ball and spring Note you can remove them if your steels are good < at 70 years old - anyway
a slip in Barnett dry clutch unit OR ALIKE does the job with very little clutch effort being a diaphragm type
if you use the red alto clutch discs and the steels with out the ball and spring Note you can remove them if your steels are good < at 70 years old - anyway
a slip in Barnett dry clutch unit OR ALIKE does the job with very little clutch effort being a diaphragm type
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extip123
Primary/Transmission/Driveline/Clutch
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Oct 2, 2014 01:11 AM