12 or 13 degrees
8 degrees BTDC.
what is the ignition timing for a 1988 Chevy 454 engine
The base ignition timing for a 1974 Chevy 454 engine is between 8 and 12 degrees below top dead center. A timing light is needed to accurate set ignition timing.
Controls the ignition timing.
18436572 same as all Chevy v-8s that is the firing order, not the ignition timing. timing varies between vehicles. a sticker under hood will give timing info, or a Haynes or Chilton service manual
That requires an engine scanner to set the timing.