When installing a performance chip, most of the times it is required that the distributor ignition timing be at the stock setting. This is brought here, because prior to installing a chip, many car owners, often do a manual timing advance (global setting) in an attempt to make more power out of the engine. Other times, it is caused because of a mechanical fix that required removal of the ignition assembly and it is left unadjusted when it is installed back.

This should be reverted if a performance chip is used, since the chip advance timing in various points by itself already and adding any extra manual advance will possibly result in dangerous detonations, also known as engine pinging or pre-ignition. This, could be very destructive for the engine at high speeds.

Here are some tables showing the stock setting of some Honda cars that are chipped often.

92-95 Civic EX (P28 Chip, D16Z6 1.6 L SOHC VTEC Engine) and
92-95 Civic DX (P06 Chip, D15B7 1.5L SOHC Engine)

Degrees BTDC	@RPM Automatic	@ RPM Manual
16°	650-750	620-720

92-95 Civic CX (P05 Chip, D15B8 1.5L SOHC Engine)

Degrees BTDC	@RPM Automatic	@ RPM Manual
12°	650-750	620-720

94-95 Civic Del Sol (P30 Chip, B16A3 1.6L DOHC VTEC Engine)

Degrees BTDC	@RPM Automatic	@ RPM Manual
16°	650-750	620-720

All 94-95 Accord EX/LX (P0A, P0B Chips, F22 2.2L Engine)

Degrees BTDC	@RPM Automatic	@ RPM Manual
13°-17°	650-750	620-720

All 93-94 Prelude S/Si (P12, P13, P14 Chips, H22, H23 2.2L/2.3L Engines)

Degrees BTDC	@RPM Automatic	@ RPM Manual
13°-17°	650-750	620-720

93-95 Honda Prelude Ignition Timing Adjustment

For doing the adjustment on Prelude, you will need a timing light. The car must first be warmed up until the fan turns on. Timing marks for timing light are exposed by removing the rubber cap from inspection window on the cylinder block, by the bell housing. Also, the ignition timing check connector must be jumped. It is located under center of dash. See the drawing below for its location.

Connect jumper wire between the Blue/White and Brown/White wire terminals.

To adjust timing, loosen distributor hold-down bolts and turn distributor housing counterclockwise to advance or clockwise to retard timing. Align the pointer with the Red timing mark.

When the job is done, tighten the distributor bolts to 16 ft. lbs. (22 N.m). and recheck timing.

If it is all OK, remove the jumper from the ignition timing check connector. Reinstall the cap into inspection window on the cylinder block.

94-95 Honda Accord Ignition Timing Adjustment

Adjustment for the Accord is similar to the Prelude described above, with exception that timing marks are located on the timing belt cover itself and the service connector is located somewhere else. It is located under the glove compartment, as shown below:

92-95 Civic Ignition Timing Adjustment

Again, the Civic procedure is no different from the two above. As in the Accord, ignition timing marks are located on the timing belt cover itself. The ignition check connector is located different. You will find it on the right side (passenger’s side) kick panel, near the ecu. Check the drawing below for location:

Here are the timing marks on the 1992 – 1995 Honda Accord:

On the above picture, the red mark is 15 degrees BTDC, while the white mark is TDC (0 degrees BTDC). If colors are faded, you may clean the area from dirt and/or grease and highlight each with white and red chalk, so it shines through the timing light. Remember that the last mark at the right should be the white one (TDC).

 
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