OVERDRIVE/TURBO SIZE REFERENCE
MOTO 4.8 COMPARED TO TURBO ___ COMPARED TO OVERDRIVE 4.5
MOTO 5.2 COMPARED TO
TURBO 5.5 COMPARED TO
OVERDRIVE 5.0
MOTO 5.8 COMPARED TO TURBO 5.5 / 6.0 COMPARED TO OVERDRIVE 5.5/6.2
MOTO 6.4 COMPARED TO TURBO 6.0 / 6.5 COMPARED TO OVERDRIVE 6.2
MOTO 6.8 COMPARED TO TURBO 6.5 / 7.0 COMPARED TO OVERDRIVE 7.0
MOTO 7.2 COMPARED TO TURBO 7.0 / 7.5 COMPARED TO OVERDRIVE 7.0
MOTO 7.8 COMPARED TO TURBO 7.5 / 8.1 COMPARED TO OVERDRIVE 7.8
MOTO 8.4 COMPARED TO TURBO 8.6 COMPARED TO OVERDRIVE 8.6