Spark Plugs
03-06-2007, 02:42 PM
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Spark Plugs i was just wondering what are the most common spark plugs almost everybody is running? Is it mostly ngk or are there some out there that will do the trick? whats a good gap for a supercharger?
03-07-2007, 07:30 AM
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Originally Posted by ltgun_anr
i was just wondering what are the most common spark plugs almost everybody is running? Is it mostly ngk or are there some out there that will do the trick? whats a good gap for a supercharger?
03-07-2007, 07:41 AM
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Originally Posted by LT1 Guy
I run Autolites.
Autolites here as well. I was having high rpm misfire issues, so I pulled out the new looking Bosch Platinums that came in the car and replaced them with Autolites. I have ran them in all of my previous cars and the LT1 loved them to, no matter what the fat kid at the parts house had to say.
BTW, I had to go to three parts stores to find a regular copper core plug. It seems the stores in my area are only stocking the platinum and multi tip junk.
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03-08-2007, 03:12 PM
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yeah im running ngk's gapped at .035 and it seems good. autolites run pretty good, the original plugs for the car show the 106's but if u cross the ngk part # it gives u the 103's in autolite. and they say the lower the number the lower the colder the plug for most plugs but with ngk's the higher the # the colder the plug.
03-09-2007, 12:36 PM
#14
TR55 is good for a fairly stock car but even a lot of heads/cam cars will finsd them too hot. Definetely hotter than I would run for blower or boost. I am running Autolite 104s on my heads/cam motor.
For a blower I would try TR6 or 103s, gapped a little tight as mentioned.
For a blower I would try TR6 or 103s, gapped a little tight as mentioned.
03-14-2007, 12:45 PM
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Originally Posted by Razor_Blade
Autolites here as well. I was having high rpm misfire issues, so I pulled out the new looking Bosch Platinums that came in the car and replaced them with Autolites. I have ran them in all of my previous cars and the LT1 loved them to, no matter what the fat kid at the parts house had to say.
BTW, I had to go to three parts stores to find a regular copper core plug. It seems the stores in my area are only stocking the platinum and multi tip junk.
BTW, I had to go to three parts stores to find a regular copper core plug. It seems the stores in my area are only stocking the platinum and multi tip junk.
03-14-2007, 12:48 PM
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Originally Posted by Orange Terror
Bosch plugs are junk, just plain junk. Yeah, they only want to sell you the hi dollar crap because they have a much bigger markup on those and don't make much on the copper plugs.
