Where are you mounting it? How much room do you have?
Geo Metro are apparently good because they are very small and fit almost anywhere.
under the cab.
That's not what I meant. A "Drop in" replacement depends on exactly where on the frame you'll be mounting it, since you need to consider clearance for the transmission, crossmemebers, pedal linkage, etc. More information on your setup might help you get a better answer.
