I guess I'll jump in here to.

+.040 360
KB flat tops
Magnum heads (worked on with 2.02 valves)
M1 dual plane
Comp Cams Magnum 280H total lift .512
Crane roller rockers
MSD 6AL and billit dizzy
650 Speed Demon
1 inch spacer
1 5/8" tubes to 3" outlet Dynomax headers
2800 stall tc
727 reverse manual valve body
4:10 8 3/4
SS springs
M/T sportsman pros

This engine combo dynoed 392HP/412 TQ with a Comp Cams 268H and before I installed the roller rockers. I don't know if the spacer and Speed Demon gained me anything or not but the seat of the pants dyno tells me they did. I estimate my Hp to be in the 425 range now.

Jack