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Blower Build cam concerns

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I am finally ready to pull the trigger on my engine build and wanted to gather some opinions from the experts on here.

The build I currently have pending is as follows:

  • 2003 Silverado SS with 67,000 miles
  • JBA Long Tube Headers
  • Full Custom Borla dual Exhaust with X-Pipe
  • Whipple 2.3 kit
  • Cam Kit
    • Cam 227/234 .614/.576 113+2
    • Springs, retainers, etc
    • Pushrods
  • Fuel pump booster
  • Custom Dyno Tune
  • Everything else will remain stock


My goals are 550-600hp & 500-550ft-lbs torque at the crank.

100% daily driveable.


I am not planning to replace the torque converter.


My main concern is the cam specs above. I have been told not to go above .551 lift on the LQ9. Anything higher than that will have clearance issues. The builder I am planning to have do the work for me recommended the specs listed above. Should I be alarmed?


Thanks in advance.

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