Make Model Spec DART, 2.4 R/TDART. 1.4T, 2.0 SXT, AERODART. 1.4T, 2.0. LIMITED, RALLYEDART. 2.0 SE, AERODART. 6 & 8 CYL. RADIAL OPTDART. 6 CYL 170DART. 6 CYL.DART. 6 CYL. IMPERIAL OPTDART. 8 CYL.DART. 8 CYL. IMPERIAL OPTDART. BIG V8DART. BIG V8. OPTDART. SMALL V8DART. SMALL V8. OPT What should my pressure be?