That was my first impresion but I didnt read in detail so I didn't post up. Any of the Hi9" R&P's will prob be ok (def with the 4 cyl? - I hesitate to say def with you ), but you could gain strength with a higher toy gearset that could potentially make a more real world diff - IE there is a chance you break a 5.29 when you would not have broken a 4.88 etc.