Orginal motor from 1989

Original Turbo from 1989

BUR9EQ x 4

680cc secondary injector

stock TID

K&N drop in filter

225/50/16 rear tires at 35 psig

NGK spark plug wires

Racing Beat Turbo Back

Crane Hi-6

out of spec leading mazda coil...



Apexi AVCR set at 0.64 kg/cm2 48% duty cycle (9.2 psi)



AFRs in high 10s. Should be able to squeek out 10 hp or more if i lean her out a bit. Was keeping it rich to save my tired engine.