Originally Posted By wesgtx440
The valve spring pressure and the taper on the cam lobes on a flat tappet cam is what keeps the cam in the block. Roller cams have flat lobes which require the cam button to keep the cam from "walking" in the block.
iagree
Also the oil pump drive helps push the cam back towards the tranny, I think scope

Last edited by Cab_Burge; 12/29/16 03:28 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)