According to one of Fords websites :
For a 1992 Mercury Topaz , 2.3 litre four cylinder engine :
( the spark plugs are gapped at .054 inch )
Spark plug order? there is no such thing.
The spark plug wires fire in the 1, 3, 4, 2 order on the 1991 Mercury Topaz GS 2.3 engine. This is the most common engine type for this vehicle.Ê
A Mercury outboard will run well with a plug gap of .035 - .040 in.
The recommended spark plug for a 1992 model, 200hp Mercury 2 stroke carbureted outboard, is an NGK BU8H. This is a perma-gap type plug, so no gap setting is required.
Drain plug for what?
According to one of Fords websites : For a 1992 Mercury Sable : The 3.8 liter V6 engine has spark plugs gapped at ( .054 inch ) The website does not show the 3.0 spark plug gap
.054 inch ( according to www . ford parts . com , no spaces )
The spark plug gap for a 1988 Mercury Topaz 4-cylinder is typically 0.044 inches (1.1mm) as per the manufacturer's specifications. It is important to consult the vehicle's owner's manual or a reputable automotive guide to confirm the correct gap for your specific engine model.
According to one of Fords websites : For the 1992 Mercury Cougar , 3.8 liter V6 engine : ( the spark plugs are gapped at .054 inch )
The firing order for a 1992 Mercury Topaz, which is equipped with a 2.0L or 2.5L engine, is 1-3-4-2. This sequence is crucial for the proper operation of the engine, ensuring that each cylinder fires in the correct order for optimal performance. If you're working on the ignition system, it's important to follow this firing order for accurate timing and engine function.
The radiator drain plug on a 1992 Mercury Topaz is typically located at the bottom of the radiator. It may be a plastic petcock valve that you can twist open to drain the coolant from the radiator. Be sure to place a drain pan underneath to catch the coolant.
The 1991 Mercury Marquis spark plug gap is .034. Most spark plugs will be pre-gapped by the spark plug manufacturer.