E 250 Van L6-300 4.9L (1984)
Valve Spring: Specifications
Free Length Intake
1.97 in
Free Length Exhaust
1.87 in
Out Of Square Limit
0.078 in
Installed Height Intake
1.687-1.718 in
Installed Height Exhaust
1.562-1.593 in
Spring Pressure, Closed, Intake
66-74 lbf at 1.70 in
Spring Pressure, Closed, Exhaust 66-74 lbf at 1.58 in
Spring Pressure, Open, Intake
165-175 lbf at 1.30 in
Spring Pressure, Open, Exhaust
165-175 lbf at 1.18 in
