The timing should be set to 10 degrees BTDC.
the firing order is..13726548
long
get a chiltons repair manual from the library for 67 chevy's.
Without other modifications you will not notice the difference.
Probably about 10 to 12 miles per gallon..depending on whether you have a 2bbl carb or a 4.
The ignition timing for a 1989 Geo Metro 1.0L engine is 12 degrees BTDC. (Note, first production year for the Geo Metro was 1989 rather than 1988). In 1988 Chevy did produce the Sprint model ... in which case the timing would be as follows: With 2bbl carb: 6 degrees BTDC for automatic transmission models; 10 degrees BTDC for manual trans models. With fuel injection: 12 degrees BTDC Additional info: Distributor rotation is counter-clockwise; firing order is 1-3-2
165 hp stock 2bbl carb A lot of the pickups had a 4 barrel, which added 20.
There should be a vaccuum hose schematic on a sticker somewhere in the engine compartment.
The timing should be set at 12 degrees before top dead center. If this is a Canadian heavy duty engine, it should be set at 2 degrees after top dead center.
In stock form it was 130-145 net horsepower @ 3200-3800rpm depending on the year. That's with a 2bbl carb and the stock 2.25" single exhaust.
16 psi
The engine makes--145 HP @ 3800 RPMs. STOCK. 305 CID 2bbl V8 (145 horsepower, 245 lbs/ft of torque)