Penis Rotor
GT Godfather!
Got a cam & tappets that's failed.
File will mark the cam.
Off to the Mint this week.
Pete
File will mark the cam.
Off to the Mint this week.
Pete
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
That's failed. and a tappet.
File will mark the cam.
Off to the Mint this week.
Pete
Yes, the cam is indeed hard at RC61. Now, be aware that I don't know carp about how hard the mating tappets *should* be, but RC 38-40 isn't squat. A spring, for heavinsake, is RC 45.:woohoo:
Back in another lifetime, I was a tool and die maker, and was classified as a tool hardener for a while. RC 38-40 wouldn't cut it. (pun intended) :cheer:
Chuck in Indiana
So we have a hard cam (RC61) rolling round a less hard tappet (RC40) in a bath of oil.
This RC difference of 21 is substantial, given all stresses of operating hot engine, like a hammer on wood.
There would be less wear if tappet was RC61, maybe it should be ?
I found this site about tappet hardness<http://www.ameeraexports.com/tappet.htm>, worth a look.
How all this results in failure of top end ( assisted by poor valve clearance checks), I'm not sure. Thoughts.......
OK, got it open. So, their rating is 65RC so the Guzzi tappets are way too low at <40RC.
So now we're getting somewhere. Methinks I'll order some new tappets, maybe just one, and get it replicated x4 in 60+RC and stick it in my bike and see what happens eh?
Pete