Valve size   1.810 intake 1.500 exhaust   Conditions: 69* F 30.5 P 51% H     LIFT                 CFM@ 28"      INTAKE PORT   .100                 58 .200                 114 .300                 170 .400                 211.5 .500                 223.5 .600                 229.5 .650                 231 .700                 232.5       LIFT                 CFM@ 28"      EXHAUST PORT   .100

just wondering if any one else had  done a cam timeing check on their stock  cam and what  findings they had come up with

Here are some tips that you can ask your machinist about, to see if he does it like this, or has a good way to increase flow, cheap. First, a 5 angle valve job really helps. 1. The seat has 5 different angles, tapers, and radiuses on this type of grind.  a) A 15 Deg outer cut, outside the the seat in the chamber area. This is called unshrouding the valve. That helps trememndously, to open up the area directly around the seat, for maximum flow. Jet-Valve heads are limited moreso, as to how m

How much difference is there in an aircan with paper filter and modded can with K/N filter?  Is it a difference you can feel ?   I have a modded can but have not installed it yet.  I just put the K/N in the stock can because I was alittle lazy.     Let me know   Thanks