TSP or TR cams??
FYI, Our 224R and 228R camshafts are XE-R grinds, so they have aggressive ramps. The TSP 231/237 is a custom-ground cam for us by Lunati, and one of our main goals was to keep the lift under .600" lift and the ramps between a comparable Comp XE and XE-R to help with valvetrain longevity. With that said, we have a few new TSP camshafts that will be released very soon. Some will have ramp rates comparable to a Comp XE-R lobe, and a few will have lobes even more aggressive than that. 
We'll keep everyone posted when we have them available.
Let us know if any of you have other questions. We're here to help.
Trevor
Texas Speed & Performance
We'll keep everyone posted when we have them available.Let us know if any of you have other questions. We're here to help.
Trevor
Texas Speed & Performance
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