Stock 360ci Magnum rebuild 500 foot lbs?

So this month has been incredible for reaching goals. There are so many 360ci's that get rebuilt monthly coming through our machine shop and the main question I get asked is how to get the towing power higher without buying a diesel. Of course we are at 5000 feet in Utah and lose a solid 30 percent torque and horsepower. So this month, we are taking a 360, performing a fresh rebuild and using the same formula we used in testing the UTP450 camshaft, installing it in a normal 3.55 geared Ram 2wd. That camshaft already tagged 450 tq. That means, bone stock intake manifold, stock 1.92" untouched Magnum heads with 1.6 roller rockers and a valve spring upgrade. The main difference is the compression. We are zero decking a piston height that is normally fifty to sixty thou in the hole.  So the last dyno was in a 4x4 pushing 37" mudders.  The transmission has been rebuilt with a billet plate torque convertor from Randy's Transmissions in Tooele Utah.  Those that do not know Randy's work, simply look up Red Delicious Ram Utah-nuff said.  I believe too many underestimate the change from LA engine heads and intakes to the 92 Magnum design. So many throw away the stock long runner intake for shorter runner intakes. Only to find that their peak torque is no longer at 3000 rpm but above 4000.  Every build should have a purpose and that purpose needs to have matched components. So many of us have forgotten that purpose built LA 360's made 500 foot pounds. You do not need a 4" stroke crank to achieve that. Although it is easier to hit with that crank than your stock 3.58" stroke. So stay tuned, our goal is to get as close to 400 tq at the rear wheel on this stock rebuild with excellent drivability.  I had a customer running a competitors camshaft, single plane manifold and stock parts with another's tune in it. His complaint was that he could not spin the tires and no power till past 3000 rpm. After sending him a free tune to check the cal, the problem was still there. I recommended he clean up his old stocker intake manifold and simply try it. Here is his response:
-Just wanted to say thank you for the information on swapping intakes I put the stock one back on and made a big difference...

If you don't spend every waking moment at WOT with gears and higher stall, rethink  your purpose. You will not see many 360's making 400rw torque on motor, even some 408 dyno's sent to me do not hit it. Do not listen to the folks who say a camshaft change should never be used with a stock kegger intake and stock heads. They will learn sooner or later. Remember, rumors are carried by haters, spread by fools and accepted by idiots. Stay tuned for all my details and specs on this rebuild!