Anyone using a P4452782AE on 340/360?

Those are a little heavier than the cam really needs. The cam only needs about 100-110 on seat. Pinch that 1.80 height down to a 1.65 and the seat load moves up from that 120 number.

TF 16901-16 are a better alternative for the cam. Same as the 901-16 from comp, just a bit less $ from summit, etc.

Just going off the published specs for the cam @RustyRatRod

268 208 Int
274 214 Exh
Lift 429-444
LSA 114
ICL 112

Dinky cam IMO. Same as any 69-73 340 camshaft