drivers side
For a 1990 Buick Century V6 3.3L engine, the manufacturer's recommended spark plug gap is .060" (1.52mm)
using number one plug as front drivers side my 6 cylinder firing order is 1, 6, 3, 5, 2, 4. My engine is out of a 69 Pontiac Sunbird but I believe it is the same as the Buick engine.
The firing order is 1342 where the no. 1 plug is on the front of the engine.
It depends on the firing order of the engine
It is a single cylinder engine with one spark plug so there is no firing order.
Check firing order
1-6-5-4-3-2
First find out what the firing order of the engine is. Then locate the #1 spark plug. Once you find that and know the firing order and the direction the rotor turns you can easily connect the spark plug wires correctly. Ask your question again with this term. "Firing order and spark plug diagram of (list make, model, & engine size)".
AnswerThe firing order for a 4-cylinder 2.2L Buick Century is: 1-3-4-2. The distributor rotates in a clockwise direction, with #1 plug wire located at the upper left of the distributorThe firing order on a 3.1 v6 is simple. 1-2-3-4-5-6 See a diagram of the 3.1 and 3.8 here.http://www.2carpros.com/forum/1999-buick-century-spark-plug-firing-order-vt177159.htmlhttp://autorepair.about.com/od/enginefiringorders1/
The spark plug firing order varies according to what vehicle you have : make , model , year , engine size
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