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| Author: | mawlkrawler [ Mon Jul 02, 2012 4:57 pm ] |
| Post subject: | Spark Plugs? |
Was going to change my spark plugs soon and was wondering what every1 would recommend. |
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| Author: | VegasDragger45 [ Mon Jul 02, 2012 10:31 pm ] |
| Post subject: | Re: Spark Plugs? |
I replaced mine with the NGK plugs ZFR6F-11G . Same that comes stock. I don't see a point in putting in anything other then those. |
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| Author: | tommudd [ Mon Jul 02, 2012 10:42 pm ] |
| Post subject: | Re: Spark Plugs? |
Hundreds of threads about spark plugs on the KJ side Autolite or Champion copper plugs work great nothing fancy just good old plugs and replace every 25-30,000 miles |
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| Author: | wormjello [ Tue Jul 03, 2012 5:55 pm ] |
| Post subject: | Re: Spark Plugs? |
As a general rule "Factory knows best". Especially when it comes to nuance such as spark plugs. I had two E3 plugs leave me stranded in my 06 MX5 and the missing spark coked my warm up catalyst. Aren't emission warranties wonderful? Mazda replaced the $1,300 cat with no charge! 
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| Author: | tommudd [ Wed Jul 04, 2012 12:34 am ] |
| Post subject: | Re: Spark Plugs? |
wormjello wrote: As a general rule "Factory knows best". Especially when it comes to nuance such as spark plugs. I had two E3 plugs leave me stranded in my 06 MX5 and the missing spark coked my warm up catalyst. Aren't emission warranties wonderful? Mazda replaced the $1,300 cat with no charge! Sometimes not always think theres been enough KJ owners that have ran 100s of thousands of miles so its been tested |
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| Author: | mawlkrawler [ Wed Jul 04, 2012 12:59 am ] |
| Post subject: | Re: Spark Plugs? |
anyone have an opinion on these? I stopped by advanced auto parts and he told me to grab these. They seem nice, but overkill. Kinda pricy too. They're having a promo so its like $45 for a set of 6 http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product__18090104-P_N3411I_P%7CGRP2041____ |
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| Author: | tjkj2002 [ Wed Jul 04, 2012 11:29 am ] |
| Post subject: | Re: Spark Plugs? |
mawlkrawler wrote: anyone have an opinion on these? I stopped by advanced auto parts and he told me to grab these. They seem nice, but overkill. Kinda pricy too. They're having a promo so its like $45 for a set of 6 http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product__18090104-P_N3411I_P%7CGRP2041____ Your ignition system is designed for copper core plugs(by resistance),using anything eles will will degrade the system resulting in les mpg's,less performance,and in most cases midfires shortly down the road.In which you will have to at least change the plugs again for correct ones and possibly having to replace 1 or more coils that those expensive plugs have fried.You will not get any more miles out of the plugs in a 3.7 either as our system fires so hot. The only way to be able to run those plugs is to increase the gap to get the correct resistance of a copper core plug,for iridium it would be almost doubling the gap. |
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| Author: | mawlkrawler [ Sat Jul 07, 2012 1:53 pm ] |
| Post subject: | Re: Spark Plugs? |
Thanks for the info. I appreciate it. Copper plugs it is
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| Author: | 4THEFAM [ Sun Jul 15, 2012 3:26 pm ] |
| Post subject: | Re: Spark Plugs? |
ok so I've gone over 150000miles on original plugs. Now got a misfire occasionally on number 2 cyl. Imagine. ..LOL I'm putting Champion platinum power in and yes, widening the gap to compensate from .032 to .044 05 Liberty 3.7L |
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| Author: | tommudd [ Sun Jul 15, 2012 3:40 pm ] |
| Post subject: | Re: Spark Plugs? |
Seriously 150,000 on the original???  Take the Plats back to where ever you bought them copper cores all the way Buddy tried to run some plats ( since thats all the parts store had right then, 5,000 miles later he had to pull them and install copper cores, now runs like it used to |
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| Author: | tjkj2002 [ Sun Jul 15, 2012 8:17 pm ] |
| Post subject: | Re: Spark Plugs? |
4THEFAM wrote: ok so I've gone over 150000miles on original plugs. Now got a misfire occasionally on number 2 cyl. Imagine. ..LOL I'm putting Champion platinum power in and yes, widening the gap to compensate from .032 to .044 05 Liberty 3.7L The stock gap for a '05 is 0.044",to use platinums you need to increase the gap to at least 0.07" or more. |
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