Can I change from belt timing to gear timing in the Isuzu 4jg2 engine seeing that they came in both?

Yes, you can change from a belt timing to a gear timing system in the Isuzu 4JG2 engine, as both configurations exist for this engine model. However, this conversion requires careful consideration of compatibility, as well as adjustments to components such as the timing cover and tensioners. It’s essential to ensure that all parts are properly aligned and that the engine's performance specifications are maintained. Consulting with a professional mechanic or engine specialist is recommended for this type of modification.