system lower intake combustion and exhaust temperatures by injecting water/ ... a resultant of lower combustion and exhaust temperatures cooler exhaust temperature ... about any vehicle whether a ford or chevy if you re running just the basics like ... to do the job right application 63-66 chevy/gmc pickup 67-72 chevy/gmc pickup 73-87 ... chevy/gmc pickup 75-up jeep cj dash ignition 75-up jeep ...