well its got a 360 crate and a hemi 4 speed tranny and the rear end im not sure of the size but its the pumpkin style where u pull the gears out from the front and im not sure of the ratio i will have all this info in a couple of days its got 11:1 compression and when i mean fast i want it to haul ass like down the strip like i said ill have more info in a couple of days thanks again