What is the spark plug gap on a 94 Chevy 4.3 engine looked at manuals found nothing?

The recommended spark plug gap for a 1994 Chevy 4.3L engine (Vortec or TBI) is 0.045 inches (1.14 mm). While manuals sometimes omit this seemingly minor detail, this is the generally accepted and reliable gap for that engine. However, always double-check with a reliable parts store or a reputable online resource using your specific engine code (found on a sticker under the hood or on the engine itself) if you want absolute certainty.