If you look stright down between the water pump and engine block you will see the timing mark.
the pointer has its on mounting spot on the front of the block when you bolt it on the pointer will be set
get a timing light clip the power lines to the batt. spark plug end to the #1 plug wire as close to the end as you can. find the pointer, should be above the crank pulley, disconnect the white/brown wire along side the passenger fender. start the engine and point the light at the pointer. watch for the mark to line up witht the pointer.
10 degrees btdc
8 degrees.
0 degrees btdc
With the engine warmed up and at idle, disconnect the vacuum line to the vacuum advance.Hook up your timing light to number one cylinder. Slightly loosen the distributor. The timing should be about 4 degrees. Move the distributor until the pointer is at 4 degrees. Tighten the distributor and reinstall the vacuum hose.
ground the diagnostic connector under the dash , set the timing , then unplug connector
To set the timing on a 1979 Shovelhead 1200cc, first, ensure the engine is at top dead center (TDC) on the compression stroke for the front cylinder. Remove the timing cover and locate the timing marks on the flywheel; align the mark with the pointer. Next, loosen the distributor clamp and rotate the distributor until the points just begin to open, then tighten the clamp to secure the distributor in place. Finally, check the timing with a timing light to ensure it's set correctly according to specifications.
you dont its all controlled int he computer tune there is ZERO mechanical adjustment
set cylender one at top dead senter then point thr rotor at cylender one that will set the distributer then turn the cap to finish the timing that always works for me
To set the timing on a Yamaha 150 outboard, first ensure the engine is at operating temperature and then locate the timing mark on the flywheel and the corresponding pointer on the engine. Using a timing light, start the engine and point the light at the timing mark while adjusting the throttle to the specified RPM for timing. If adjustments are needed, loosen the timing adjustment screws and rotate the ignition timing plate until the timing mark aligns with the pointer, then retighten the screws. Always refer to the specific service manual for your engine model for precise specifications.
There are no timing settings to set in a 1979 Grand Prix. The 3.4 L and the 3.1L and the 3.8 L that Pontiac used in its lineups all had computer controlled timing.