8 to 10 degrees
The typical timing for a 1985 Chevy 454 is 8 degrees before top dead center. The vacuum line removed from the distributor and plugged. The engine warm and idling at 700 rpm.
what is the timing specifications for 1985 Chevy with a 5.7 liter 350?
You could put a vacuum gage on the engine and time it for peak vacuum. A timing light is still better.
You dont.
how do you set timing on a 1985 350 gmc truck
Try cleaning them.
The timing for a 1985 Chevy 2.8 V6 is 100 BTDC.
The timing should be set to 10 degrees BTDC.
10 degrees btdc
8 degrees.
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
What engine do you have ?