Technical Info

79-85 Rx7
Engine Oil Weight
     Above -10° C (15° F)    20W-40, 20W-50
     -25°-30° C (-10°-85° F)    10W-30
     -25° C (-10° F) or over    10W-40, 10W-50
     0° C (32° F) or below    5W-30
 
Compression Test Pressure
     Low Limit    85 psi @ 250rpm (6.0 kgf/cm²)
     Max Difference    21 psi @ 250rpm (1.5 kgf/cm²)
 
Thermostat
     Opening Temp    82° C (180° F)
     Full Open Temp    95° C (203° F)


86-91 Rx7
Engine Oil Weight
     -10° C (15° F)    20W-40, 20W-50
     -25°-30° C (-10°-85° F)    10W-30
     -25° C (-10° F) or over    10W-40, 10W-50
     0° C (32° F) or below    5W-30
 
Compression Test Pressure
     Low Limit    85 psi @ 250rpm (6.0 kgf/cm²)
     Max Difference    21 psi @ 250rpm (1.5 kgf/cm²)
 
Thermostat
     Opening Temp    80.5° - 83.5° C (177°-182° F)
     Full Open Temp    95° C (203° F)


93-95 Rx7
Engine Oil Weight
     Above -25° C (-10° F)    10W-30
     Below 0° C (32° F)    5W-30
 
Compression Test Pressure
     Low Limit    100 psi @ 250rpm (7.0 kgf/cm²)
     Max Difference    21 psi @ 250rpm (1.5 kgf/cm²)
 
Thermostat
     Opening Temp    80.5° - 83.5° C (177°-182° F)
     Full Open Temp    95° C (203° F)