1986 should be carburatored and it is not required. That would only apply to a fuel injected engine.
0 TDC / Top dead center.
6 to 8 degrees BTDC---- Before Top Dead Center.
Timing chain
Chain.
i needi have an 87 4 +cylender 2.5 Chevy s10 pickup and need the timing diagram in order to get it running. can you help?
does not have a timing belt it has a chain
There is no timing adjustment, The computer controlls the timing.
Look at this: http://autorepair.about.com/library/firing_orders/bl-fo-5830.htm
There is no timing ajustment, Its controled by ECM- Computer.
You don't. The timing is adjusted thru the ECM.
what is initial timing on 1966 chevy 250
4 degrees BTDC.