Dedicated Harley-Davidson talk for all Big Twin, Sportster and V-Rod riders
Tagged: gear driven cams
This topic contains 5 replies, has 6 voices, and was last updated by Roscoe 2 years, 2 months ago.
What’s everyone’s take on fitting gear driven cams in a Twin Cam motor? What are the advantages?
If you’re installing hi-lift, long duration cams and hi-pressure valve springs, you definitely want gear driven cams. For stock or mild street cams I’d stick with the chain.
Gear driven cams can whine a bit, but are way stronger
Because of manufacturing tolerances, some engines are noisier than others. Same goes for gear driven cams. Personally, I don’t mind the whine
I agree with @ted12. Twin cam owners were spooked into thinking they needed gears becasue of the problems with early twin cam chain tensioners.
Thinking about a ’02 FXDL a neighbor has, almost done resto project. Hasn’t touched the motor (duh!). What’s the gaff on swapping to hydraulic tensioners or gear drive? Anyone with real experience
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