Originally Posted by Drifter27_04
Do you know where I may find these numbers and view them?
Well I got the info awhile ago not sure where it resides now.
But you look at the Grind Number
546/547, Valve Lift of .400/.385 and Duration in Degrees 272
Designed to bolt into a stock engine to increase overall performance. Stock fuel injection OK.
452/228, Valve Lift of .415/.390 and Duration in Degrees 274
Increases mid and upper end power for built engines. Racing springs recommended. Turbo use OK. Programmable fuel injection required!
453/228, Valve Lift of .415/.390 and Duration in Degrees 276
Increases mid and upper end power. Racing springs recommended. Turbo use OK. Race profile only! Programmable fuel injection required! A WEB CAM winner!