I'm quite happy with my Saggy 3 speed, if you are still considering having 3 gears. 1st and 2nd give me good performance with my 350 and 2.73 rear (yes, even with a 2.73). 3rd gives me highway cruisin 50 mph+ with decent gas mileage to boot. It's a side loader, and it should, AFAIK, bolt right in.