4 degrees Before Top Dead Center
This should use a crank sensor- so the timing is controlled by the computer and no adjustment provisions are there.
There is no timing ajustment, Its controled by ECM- Computer.
1986 should be carburatored and it is not required. That would only apply to a fuel injected engine.
0 TDC / Top dead center.
Yep... It should have one.
Timing chain
separate a timing connector on the firewall in engine bay which allows you to time the engine,then adjust the distributor.The connector is on the drivers side below the cowl and when separated the engine will run differently.
how much play should a 4.3 Chevy engine timing chain have?
advance your timing 6 degrees due to this ethanol crap fuel we run now
what is the ignition timing for a 1988 Chevy 454 engine
chevy luminas 3.1 engine does not have a timing belt. it does have a timing chain that will last well up to 200,000 miles
The timing chain is designed to last the life of the engine.