Want to see if my future camshaft will need the springs replaced on the heads. My Comp Cams Camshaft XE280HR-10 calls for :

Seat pressure is 115lbs
Open pressure is 388lbs
Rate is 395 lbs./in.

Will the stock Eddy RPM Valve Springs work?


Family owned 1969 Charger R/T DualQuad 440/727/GVO/3.55s