My two cents would be, if you are using your truck to haul heavy loads, get the coil spring type, if you are not hauling anything heavy and just driving it around town get the diaphram type.
Mike B
Mike Boteler
1956 Chevy 3100 Resto Rod 1952 Willys M38 Army Jeep 1983 Jeep CJ7 Laredo 1984 Jeep CJ7 +++++ Silver Spring, MD
