October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Base Timing
- Inspect timing mark indicator and timing mark notch. Clean marks if necessary. See Figure
and Figure
. Start and warm engine to normal operating temperature. Ensure idle speed is 700 RPM. See IDLE SPEED SPECIFICATIONS. Turn off engine and all accessories. Attach timing light to No. 1 spark plug wire.
- Connect fused jumper wire between ALDL connector terminals No. 1 and 3, located under right side instrument panel or behind kick panel. See Fig 1
. Start engine and aim timing light at crankshaft pulley. Timing should be at 10 degrees BTDC.
- If timing is not 10 degrees BTDC, loosen distributor flange hold-down bolts and rotate distributor to obtain correct ignition timing. Tighten distributor flange hold-down bolts to 15 ft. lbs. (20 N.m) and recheck timing.
- Remove jumper wire from ALDL connector. Turn ignition off and remove timing light.
Courtesy of GENERAL MOTORS CORP. IGNITION TIMING SPECIFICATIONS (Degrees BTDC @ RPM)
| Application |
Man. Trans. |
Auto. Trans. |
| Storm & Storm GSi |
10 @ 700 |
10 @ 700 |