6 to 8 degrees BTDC---- Before Top Dead Center.
0 TDC / Top dead center.
It should be located on a tag under the hood.
Timing chain
I going for gas mileage on my 82 Chevy pickup. Should I rebuild the stock 305 or a 350ci. Remember looking for the best mileage.
1986 should be carburatored and it is not required. That would only apply to a fuel injected engine.
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?
There is no timing adjustment, The computer controlls the timing.
Look at this: http://autorepair.about.com/library/firing_orders/bl-fo-5830.htm
does not have a timing belt it has a chain
There is no timing ajustment, Its controled by ECM- Computer.
You don't. The timing is adjusted thru the ECM.