440 build for a tow rig/"muscle" truck?

@Tbro thanks for the links, I remember following those threads when they were new, super interesting stuff. If I was closer to sea level I wouldn't care about the compression but up here N/A engines need all the help they can get. Since the torque loss from the lower air density is across the whole RPM range you really feel the loss on the low end since the torque is lower there to begin with. Compression will also help with fuel efficiency.

turbobill said

I have a 76 short wide with stacks,440 forged pistons .110 down in the hole,440 source heads,9:75.1 comp,275 durration 110 center hyd cam,18 degs initial,38 total at 2900 rpm,750 edel carb,performer rpm intake,727,2400 stall,2.94 sure grip,ac,cruise, best of 12.9 mpg,daily driver,have towed 4600lbs, never lacked for power, ultra-bell 2 months on back order so far have 46rh to build then put the 9.25 with 3.55s back in,

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That sounds like a perfect setup, almost exactly what I'm going for minus the 2.94 gears. 12.9 MPG is impressive, that's 2.9 more than I currently get with my stock 360/727 and 3.54 gears. Is your truck a 1/2 or 3/4-ton, and not sure what you mean by "short wide" I'm guessing short bed and wide....?? I have no idea lol