Can I use these on my GT40P heads? It says they work but the only thing that makes me wonder is the installed height which is 1.950 and most other springs is 1.8. Would I have to use different size pushrods with these?
Crane Cam Valve Springs, Part# 99841-16
Tech info as follows:
Ford V-8 85-00, 302 and 302 H.O. with hydraulic roller camshaft
(conical design, for stock cylinder head)
Note: Optional kit for 79-00 302, 302 H.O., and 351W engines to provide increased valve spring travel when using stock cylinder heads.
Outer Diameter Top
1.295
Inner Diameter Top
0.859
Outer Diameter Bottom
1.450
Inner Diameter Bottom
1.014
Damper
NO
Seat Pressure @ Installed Height
118 lbs. @ 1.950
Open Pressure and Height
375 lbs. @ 1.380
Coil Bind
1.320
Average Spring Rate
457 lbs./in.
Maximum Net Lift
0.580
Crane Cam Valve Springs, Part# 99841-16
Tech info as follows:
Ford V-8 85-00, 302 and 302 H.O. with hydraulic roller camshaft
(conical design, for stock cylinder head)
Note: Optional kit for 79-00 302, 302 H.O., and 351W engines to provide increased valve spring travel when using stock cylinder heads.
Outer Diameter Top
1.295
Inner Diameter Top
0.859
Outer Diameter Bottom
1.450
Inner Diameter Bottom
1.014
Damper
NO
Seat Pressure @ Installed Height
118 lbs. @ 1.950
Open Pressure and Height
375 lbs. @ 1.380
Coil Bind
1.320
Average Spring Rate
457 lbs./in.
Maximum Net Lift
0.580
