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Discussion Starter · #1 ·
ok question #1.......

Copper or Plat spark plugs?? heard copper is better for performance.....but plat is for longevity..........need some answers please :)

question #2

What kind of motor oil is BEST for my 90' Legend Coupe?? I live down in TX......so its HOT!! help me out guys


Thanks
 

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5W-30 for oil is the best for the 90 legend coupe and you are correct on bronze spark plugs giving increased performance and platinum being longer lasting. It's a toss-up there :cool:
 

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dude,

im in texas too.

get NGK copper plugs. you will benefit from better gas mileage and cheaper plugs.
 
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