How do you set the ignition timing on a 1996 Chevy G10 express van with 5.7L engine?
EBSCO Auto Repair Reference Center INSPECTION AND ADJUSTMENT HEI Systems Fig. 1: Timing marks are found on the crankshaft damper (balancer) and the engine front cover–late model 4.3L engine shown (others similar) Fig. 2: View of a typical timing mark scale Start the engine and allow it to reach operating temperature. Stop the engine and connect the timing light to the No. 1 (left front) spark plug wire, at the plug or at the distributor cap. You can also use the No. 6 wire, if it is more convenient. Numbering is illustrated in this section. NOTE: Do not pierce the plug wire insulation with HEI; it will cause a miss. The best method is to use an inductive pickup timing light. Clean off the timing marks and mark the pulley or damper notch and timing scale with white chalk. Disconnect and plug the vacuum line at the distributor on models with a carburetor. This is done to prevent any distributor vacuum advance. On fuel injected models, disengage the timing connector which comes out of th
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