B6
1,597 cc (1.597 L; 97.5 cu in) B6 — (78x83.6 mm) — This was a bored-out version of the B3. The 8-valve SOHC B6 was found in the 1985-1989 Mazda 323, the 1988-1990 Mercury Tracer, and the 1990-1994 Mazda 323, and the 1992 Mazda MX-3. The B6 was also found in the 1993-1998 kia sephia and produced 82 hp (61 kW).
In Japan and Australia a fuel-injected version called the B6F was available.
[edit] B6-2E
1,597 cc (1.597 L; 97.5 cu in) B6-2E - (78x83.6 mm), also known as B6-ME - This was a variant of the B6-E with a 16-valve cylinder head. It is found in the 1991-1994 Mercury Capri, 1992-1994 California-spec Mazda 323 and 1992-1993 Mazda MX-3. The B6-ME produced 88 hp (66 kW) and 96 ft·lbf (130 N·m).
[edit] B6T
1,597 cc (1.597 L; 97.5 cu in) B6T - (78x83.6 mm) - The ubiquitous turbocharged, fuel-injected and intercooled 16-valve DOHC B6, released in 1985 and used in numerous models worldwide including the 323 GT-X, 1985-1989 Mazda Familia GT-X/GT, 1985-1989 Ford Laser TX3 turbo, and later Mercury Capri's. This engine was most commonly found mated to a 4WD drivetrain although FWD models were also available in the capri XR2 & 323 GT.
Power and torque outputs varied across markets due to emission and fuel standards.
The B6T available in north america came with 132 HP & 136 ft-lbs
The Japanese version of the B6T was the most powerful, producing 147 hp (110 kW) and 137 ft·lbf (186 N·m) due to better intake manifold & ecu tuning for better gasoline 95 octane
from wikipedia..so its why i am wondering. a guy with a MX 3 was wanting to maybe buy the one i have here
http://en.wikipedia.org/wiki/Mazda_B_engine