Comp cams LSR cam for road racing
Does anybody have the LSR cam on their C5 Z06 who road races?
There are two LSR cams I am curious about. The cam will be installed with all the necessary parts including the 921 kit, mellings oil pump, ARP damper bolt, new seals, gaskets, etc. The first being the LSR 54-457-11, the specs are. Cam Style Hydraulic roller tappet Basic Operating RPM Range 1,700-6,800 Intake Duration at 050 inch Lift 223 Exhaust Duration at 050 inch Lift 231 Duration at 050 inch Lift 223 int./231 exh. Advertised Intake Duration 273 Advertised Exhaust Duration 281 Advertised Duration 273 int./281 exh. Intake Valve Lift with Factory Rocker Arm Ratio 0.610 in. Exhaust Valve Lift with Factory Rocker Arm Ratio 0.617 in. Valve Lift with Factory Rocker Arm Ratio 0.610 int./0.617 exh. Lobe Separation (degrees) 112 Camshaft Gear Attachment 3-bolt Computer-Controlled Compatible Yes The second one being the more likely of the two. LSR 54-456-11 Cam Style Hydraulic roller tappet Basic Operating RPM Range 1,500-6,700 Intake Duration at 050 inch Lift 219 Exhaust Duration at 050 inch Lift 227 Duration at 050 inch Lift 219 int./227 exh. Advertised Intake Duration 269 Advertised Exhaust Duration 277 Advertised Duration 269 int./277 exh. Intake Valve Lift with Factory Rocker Arm Ratio 0.607 in. Exhaust Valve Lift with Factory Rocker Arm Ratio 0.614 in. Valve Lift with Factory Rocker Arm Ratio 0.607 int./0.614 exh. Lobe Separation (degrees) 112 Camshaft Gear Attachment 3-bolt Computer-Controlled Compatible Yes :cheers: |
Stock cam for most racing. T1 or NASA ST2
or the GM Cup Cam for World Challenge or SPO |
Originally Posted by AU N EGL
(Post 1575969735)
Stock cam for most racing. T1 or NASA ST2
or the GM Cup Cam for World Challenge or SPO |
No two different cams
GMPP ASA 226/236 525/525 110 GM- Grand am cup 239/251 570/570 106 |
Originally Posted by AU N EGL
(Post 1575978853)
No two different cams
GMPP ASA 226/236 525/525 110 GM- Grand am cup 239/251 570/570 106 |
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