The pitting doesnt bother me as much as wondering where all the metal particles have gone. ![Shocked :o](http://zggtr.org/Smileys/default/shocked.gif)
When I do replace mine, I will be getting SISF's reground, resurfaced set for a little more low end grunt.
https://sites.google.com/site/shoodabenengineering/replacement-torque-cams
Yer gonna like 'em.
Question - I've heard a lot about regrinding cams - is material added to the cam by welding, and then reground?
If no material added then help me understand how that would not affect top end performance.
You will loose a coupla ponies above 9500 rpm, but gain some torque in the lo-mid range. If you are someone that spends most of their riding time above 8,000 rpm, the Torque grind would not be for you. Get yourself some old Ninja cams, they suck in low-mid range, and scream at the upper.
Now if you're like most on here, myself included, you would be after "driveability" in the lo-mid range(say 3500-7500rpm), where we spend about 99% of our time. This is where SiSF's new cam profile really shines. Combined with a modified 2 minute mod, and a simple tweak of the intake cam timing, it really doesn't/can't get any better, for riding that most folks do 99% of the time. Throttle response is much improved, cylinder pressures get kicked up. It's all good, and it all works.
To reemphasize, these cams will generally not give you a faster top end, but you will be a lot happier with how the bike runs in total, have a fresh set of cams, and the lower cam profile is easier on the valve train.
Summing up: I like mine!
SiSF to the white courtesy phone, please.