What are timing specs on 1990 2.3 Isuzu truck?

The timing specifications for a 1990 Isuzu 2.3L truck typically include a timing belt replacement interval of around 60,000 to 90,000 miles, depending on driving conditions. The ignition timing is usually set at around 10 degrees BTDC (Before Top Dead Center) at idle. It's important to refer to the specific service manual for the exact specifications and adjustments, as they can vary based on the engine configuration and emissions equipment. Always ensure to check the condition of the timing belt and related components during maintenance.