You can review other posts about this C6 Z06 that is now on it's 3rd type of CAM.

Here is results after we custom tuned the car after the 3rd CAM grind was installed this week.

As we reported back on March that the 2nd CAM grind in fact lost performance.

This grind seems to be better as to Horsepower, more testing in cooler weather is needed to see what maximun torque will be since testing today the weather was in low 90s adding 1,800 feet to the corrected DA.

It was clear this CAM 3 grind caused very choppy idle which in turn caused heartbun for crank sensor tripping heavy false misfire which we resolved via tuning.


CAM 2 on Left - - - CAM 3 on Right

Stock LS7 CAM :
At camshaft: Intake: 0.331 in. Exhaust: 0.328 in.

At valve: Intake: 0.593 in. Exhaust: 0.588 in.

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Here is the second CAM that was tested that failed to make any performance gains.
Interesting they list it as LS1

Vendor : Bullet Racing CAMS
Version: UltraDyne
Model # 500000
Grind # CHS 280/280-15HR

Intake . . . Exhaust
---------------------------------
228 . . . . 230 Duration @ .050
3250 . . . . 3200 Lobe Lift
280 . . . . 280 Duration @ .006
.553 . . . .544 Gross Valve Lift
.000 . . . . .000 Valve Lash (HOT)
Open / Closed Open / Closed
2 - - - 46 . . . 53 . . . -3 Timing Events .050

Degree Intake Lobe to 112
LSA 115

This CAM is being sold be vendors who sell and install CAMs and you might not know it is this sec'd CAM

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Third CAM specs :

Intake Exhaust
224 . . 244
.620 - - .648 Lift

LSA 115

Install degreed +4