What do you mean by upgrade? And what engine are we talking about?
Along time ago, Moroso use to sell copper washers that went between the plugs and the head.
1- they were made of copper so you would get the crush/seal effect.
2- they were avaliable in flat and conical seat for the differant heads designs.
3- there design was so engine builders and tuners could align the electrode ground strap in the up position, Idea was engines with alot of high compression pistons would hit the tang of the plug and would close the gap and possibly cause serious engine damage.
I do not know if this is what you are refering too, but I just wouldnt think you would see any differance in performance?
He says get performance spark plugs too im like ok?? cas I dont know that much about cars yet, this is my first year taking auto tech in school. But he also says that were should put custom made headers on the car too.... heh i dont know where this is going. But my dad said I wouldent trust him because the engine might blow. w/e any more comments?
As others indicate using washers is a trick used to index the open end of the spark plug gap so it faces a certain direction. Each plug would require a different thickness of washer and you most likely would have to pull the heads to see that you did it right. It's a trick used by competive racers to give them that extra .001 sec or so. In your car that wouldn't mean anything...
Learn to know the difference in which friends to trust with their automotive advice and the ones not to trust. A friend that does all his own work and goes to the track and has one of the nicer cars around is gonna give better advice than the guy that shows up on a skateboard... Above all else ask your shop class instructor.
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