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Home >> Chevrolet >> 1988 >> Corvette V8-350 5.7L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments



Set timing under the following conditions:
Normal operating temperature
Air cleaner installed
A/C off
Transmission in neutral
Disconnect SET TIMING connector (tan/black wire) located in harness close to distributor. DO NOT disconnect 4 wire connector at distributor.

Connect timing light and adjust as necessary by loosening hold down bolt and rotating distributor. Tighten hold down, recheck timing and connect SET TIMING connector. Clear ECM trouble code by disconnecting ECM power source.