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So I was reading Car and Driver yesterday (I just like to dream about the cars, not that I'm a car tech-y), and saw an ad for Bosch spark plugs. They showed 3 models, one with a single arc, another with a dual arc, and yet another with 4.

My question is, has anyone in here installed really killer spark plugs in their 9-5? Is it worth it? I'm assuming that response time would be faster and accelleration and possibly even mileage would improve? Anyone have thoughts on this?

Jim
 

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Because of the SAAB's Trionic 7 engine management system and the Direct Ignition module none of these "performance" plugs will work in our cars. You're best sticking with the NGK plugs specifically designed for SAAB applications.
 

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My car runs better on the regular ol copper NGK plugs than it did with the stock platinums. :p No ground breaking differences, just a bit smoother and more refined.
 
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