Hello all, I have a 90 Honda Prelude with 2.1DOHC 4cyl.

I hooked up the scope on this car.

Condition:

Warm engine. Trans parking.

Results are.

Ignition Timing:15BTDC at 770RPM same as spec. Firing interval:38msec Burn time:2ms(average) Burn KV:13KV(a... Login to read more.