B23/230 stage 4 Turbo camshaft

Stage 4 turbo T4 Suitable for  fast road NA engines or h larger Turbos and increased boost pressure, providing substantial increase in rev range and more power at higher RPM's. Has good idle and low speed. Also suitable as a very tractable NA cam.

The camshafts are ground on the new Volvo Blanks
(We do not need any old camshaft in return - this is not a regrind)
 
Opening Duration 298 degrees
cam lift 11.5mm
Lobe center line angle 108 degrees
TDC lifting about 3.5-3.7mm.
Valve clearance 0.35 mm
Lash cap required: Yes; 3mm thick is recommended
 
TDC lift is specified with the valve clearance and is set as follows. Set engine piston top position (TDC) (exhaust is about to close and the intake is opening) .Inlet valve will then open the specified value.
The value may be slightly adjusted after a test run for the best results. Adjustable cam gear facilitates the optimization of this