Tune-Up Specifications

The content of this article reflects changes called for in TSB 26-07-96.

Spark Plug Gap 0.039-0.043 in
Ignition Timing
Firing Order 1-2-3-4-5-6

Fig. B:

Firing Order As shown
Degrees BTDC [02]
Curb Idle [02] 750 ± 100
Fuel Pump Pressure [03] 47-50 psi
Valve Clearance [01]

BTDC -- Before Top Dead Center
[01] -- Equipped w/hydraulic valve lash adjusters. No adjustment is necessary.
[02] -- Electronically controlled, not adjustable.
[03] -- At Curb Idle.