Nice Jeep, My friend Paul has a 79 CJ7 with a 5cyl Merc turbo Diesel,and is running the AX15 from a Cherokee and has a dana 300 T-case, he is running 456s and 33"s and its just a little slow but hasnt turned up the fuel yet, he is getting around 26-28 mpg from it. the Merc is a high reving...