Here's a comparison of evo cam manufacturers specifications

http://www.nightrider.com/biketech/h...o_byman_ql.htm

 

ive looked at this a few times. it 81-91 l grind then under 88-91 with different specs how would one know the diffrence

 

http://www.bigboyzheadporting.com/EVOcams.htm

 

Some cams may have similar specs, but there are other factors that come into play when choosing the proper cam, for the intended application.
Scott

 

thanks for the replys watever l-grind cam i have put in my bike it goes so much better than the oem n-grind

 

what does the L stand for? is that the cam maker? i live on a island so were in lack of education down here or maybe just me!