The new Rinsey Mills book shows a USRRC chassis and it details the diff cooler setup. It has two small tabs just aft of the furthest rear crossmember that the radiator bolts to. The radiator is actually under the front diff mount. The pump is bolted to a bracket that is welded near the left forward control arm mount on the rear control arm
csx700?, your chassis has the radiator mount and possibly the pump mount.
