custom fabbed

I want to do a 4bt bronco 2. I know that this engin ways up to 800 lbs not including the extras and transmission. What are the best axels to swap to handle the weight and what extras will I need to buy for the swap and what would I need to fabricate. Also would I need to box in the frame to...

ok, so. finally got goin on the bumper. bought 10' of 2"x8"x1/4" rectangular tubing, 10' 2"diameter tube 1/8" thick. $160 in materials. main run across the front is 4' of 2x8. we used a setaline torch to channel out the back to cut down on weight. on the ends of that are 2x8 sections 12" long...