everywher i run is straight pit no hills and when i had the four speed the axles are geared so low (6.72 vs most guys running 4.11 that makes up for there weight also they are true 4 wheel drive all time no peg leg stuff) first and second where useless and fourth was to far out third was only gear i used the block was already 30 over my machinest recommend 10 more to true the cylinders back up do you think the cam specs he recommended wher accurate and do u think 500 hp is out of the questions