[Steve C.]

If interested additional info here regarding Opening and Closing Rate:

http://www.tildentechnologies.com/Ca...rformance.html

"In practical terms if two cams with similar lobe designs have the same duration at 0.050 lift, maximum torque and horsepower will be almost identical. However, the cam with the quicker opening will have a smoother idle, better off-idle response, superior low speed drivability and a broader power curve."

Many will not accept that conclusion and suggest it does not apply to a "Pontiac". Especially in the street section where some seem to demand slow lazy cams with a lot of seat timing, and the "041" is king of the hill

Now all this all said, note Mike Jones comments in this entire thread and the suggestion it's a marketing tool. However keep in mind the discussion here is regarding a solid cam and the effect of valve lash. Apples-to-oranges regarding a hydraulic cam.

http://www.yellowbullet.com/forum/sh...d.php?t=455257

There are some big players on both Yellowbullet and Speedtalk forums that get involved with the subject. Seek it out if interested.


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