Depends, which engine is in the 85, 13b or 12a?
about 25 mpg
20-50w non synthetic
Mazda RX7 1979-1985
mazda doesnt rx7 anymore :(
The Mazda Rx7 has the Wankel Rotary Engine in it
to the left, right, or under the steering wheel.
on the left rear under the car . close to the coil spring
regular ATF should be OK or dextron III.
the proper plugs come pre-gapped. you do not need to adjust them.
Mazda didn't make the RX7 in 1974.
Yes, there is a transmission in a 1990 Mazda RX7 convertible.