Pulling the inner valve spring at cam break in?

First cam Crane .484 lift 284 duration with lifters and valve springs, installed springs at machine shop when heads done on first motor. Twisted a little to hard. Rebuild a core I had and reused the heads, p412033,Mopar Hydraulic Purple Camshaft,la,SB,NEW, .508 Lift 292 Adv. Duration, Installed this cam, made it bout 3000 miles and I noticed a lifter tick. Readjusted the roller rockers and couple days later tick back. pulled cam and lobe started to go. Changed cam with same one. bout 3000 miles did it again. Pulled motor disasemble clean and all new bearings, New Cam Lunati#638-10200703LK
Voodoo Hydraulic Flat Tappet Camshaft and Lifter Kit
Mopar Small Block 273-360
Lift: .494''/.513''
Duration: 271 Deg / 279 Deg
LSA: 112 Deg
RPM Range: 1800-6200 Have about 6000 miles and has been fine.