Thinking about changing cam in my son mud bog truck. Runs hard but need a little more top end. Specs, c9 block eagle forged crank and h beam rods, icon forged pistons-13.45 comp. Tfs 325 cc heads with tulip exh valve, increased flow 18 cfm max avg,14cfm. Tfs mafia intake,Holley 1150 gen3 ultra dominator.2"tapered spacer ,bg belt drive fuel pump and bypass reg. Cam specs- int,267&50 273&50 744 lift int&exh, 108 lsa 104 int cl, installed 104 cl. Full msd ign, total timing 34 btdc. Fti 4000 hard hit stall and 3.89 gears rear-3.73 front, 39.5 r,38f. Weight- 3950, here's my problem, do I bother retarding cam 4 degrees or bump cam up to about 276 ish at 50 on int and 284 ish at 50 on exh with 108 lsa and 106 cl. Any thoughts would be helpful.