[Lemur]

where would i look to find seat pressure specifications for the valve springs?

its a 4.0 TJ

 

[scorpio_vette]

VALVE SPRING SPECIFICATIONS

Free Lenght (approx)---------------------------47.65mm (1.876in.)

Spring Tension
Valve Closed-------271 to 307N @ 41.656mm (61 to 69 lbf. @ 1.64in.)
Valve Open-----818.5 to 871.9 N @ 30.89mm (184 to 196 lbf @ 1.216in)
Inside Diameter--------------21.00 mm to 21.51mm (0.827 to 0.847 in.)


VALVE SEAT SPECIFICATIONS

Intake Valve Seat angle----------------44.5 degrees
Exhaust Valve Seat angle---------------44.5 degrees
Valve seat width------------1.02 to 1.52 mm (0.040 to 0.060 inch)
Valve Seat runout--------------------0.064mm (0.0025 inch)


sorry that's all i got. not sure if that's what you're looking for.