need help on this one(many more) ,i have a 454 chevy with a 270h magnum cam with springs ,lifters(hyd)etc ,750cfm holly ,wieland stealth manifold,headers ,and a msd 6al and one of there distributors and a double roller timing chain backed with a 700r4 with a shift kit, what would be the best convertor to use ,and rear gears on the way to the back of the car? also does any one, might know what kind of muffler"s would give a strong sound to complement that big block and cam, and would i be able to use that set up for street/strip and not look like a fool? this engine was a tire burner when it was stock,don"t know what to expect now, i don"t know what rim and tire set up would work. i got alot done on my own so far all the way up to the engine and ladder bar set up, but i just went flat please some one help out with there advice