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Discussion Starter #1
Ive been beatn around the bush with these super duper extreme coil packs from GMS, wondering if anyone has used these or anyother upgraded coilpacks, and if their worth the 600 doll hairs
 

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I say nay. Ford coils have proven to be the most reliable. The Weapon X and Snipers look promising, but time will tell whether they're reliable enough for daily use.
 

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Discussion Starter #3
i was reading the new modified mustang mag, and they gave 27hp to an 08 gt/cs with only a cai.
 

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the weapon x may be stealing my money soon, they look like the real deal ive read no bad reviews on them yet.
 

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Nay. Overpriced, and the OE are more dependable. Also, the engine has no use for the hotter spark UNLESS you are running some high boost and having a problem with spark blow-out or distortion. Even then, I would first try different, cooler range plugs.
 

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Nay. Overpriced, and the OE are more dependable. Also, the engine has no use for the hotter spark UNLESS you are running some high boost and having a problem with spark blow-out or distortion. Even then, I would first try different, cooler range plugs.
I agree, I am running 9-10# of boost and have been for over 30,000 miles. I have 112,000 miles on my car with the ORIGINAL COPs and never had an issue.

If I were to have a COP go bad on me now, I would go out and buy 8 more and change them as a set. Why mess with what works perfectly?
 

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Dude, dont listen to these people 95% of the are wrong. First GMS are very prone to fail when setting the plug gap at .100". Gap the plugs to .100" and get he MSD coils which are the most powerful and reliable in the aftermarket. if you dont basically double the gap you most notice any difference.
 

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What setup is .100" gap run on?

Don't personally know about GMS coils, but I know a few people who put MSD coils on and regretted it.

The guys I know who run 10# of boost and below (myself included) gap to 0.035" and run the stock coils. A couple have added the Kenne Bell Boost a Spark with good results with higher boost.
 

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Discussion Starter #9
the plan was to go ahead and get them because i plan on later adding a 75 shot and dont want any spark blowout. my main question was, will i get any hp out of them?
 

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Unless you are having spark issues, there shouldn't be any noticeable gains.

If you had spark plug blow out and the coils corrected that situation, then you would see gains. :bigthumbsup
 
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