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Old 07-23-14, 12:01 PM   #1
fastegg
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Default Spark plugs

Anybody used Bosch Super 4 plugs ?..... Any comments ?
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Old 07-23-14, 04:26 PM   #2
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they're crap. google will tell you the same.

if you want a marginally hotter spark you can run regular old copper plugs, but you'll be changing them out every 20-30k miles.
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Old 07-23-14, 06:03 PM   #3
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The factory suggested is fine.
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Old 07-29-14, 03:20 AM   #4
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Quote:
Originally Posted by PureDrifter View Post
they're crap. google will tell you the same.

if you want a marginally hotter spark you can run regular old copper plugs, but you'll be changing them out every 20-30k miles.
I had to ask... been reading about them... I'll stick to using the Iridium's...
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