ls1 plugs
#4
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I have been through 3 sets of tr55's and am on my first set of AC iridiums and I have to say I am happier with the Iridiums. My cars seems to idle better with them over the tr55's, but that is just my "opinion" and you know what they say about opinions.
#6
That's what she said...
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People have posted some crap about tr-55's lately. I've got them in my car, and it idles like crap sometimes, but that may not be the problem.
I know they are proven, but there was one thead with a bunch of people at the same time posting up their problems with them, almost like NGK had a bad run or something? Probably just operator error though.
I know they are proven, but there was one thead with a bunch of people at the same time posting up their problems with them, almost like NGK had a bad run or something? Probably just operator error though.
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#10
TECH Senior Member
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Originally Posted by indyboom
AC Delcs all the way.. There factorys, last longer, and made in USA//... Cant say that bout ngk
Originally Posted by indyboom
Oh yeah.. My wifes 4 cylinder Honda has some NGKs in it..
#12
i had densos 1st they ran good, then i got tr55's and it ran choppy then i got the acdelcos it got a little better but they seem good but id say go with densos they were in the car when i bought it and when i pulled them they were the perfect color the tr55s looks like they burnt more lean i havent checked the ac delcos yet tho.
#13
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Originally Posted by 4.6gt-2-ls1ta
I have been through 3 sets of tr55's and am on my first set of AC iridiums and I have to say I am happier with the Iridiums. My cars seems to idle better with them over the tr55's, but that is just my "opinion" and you know what they say about opinions.
No complaints, they work great. I swear by iridiums, my turbo Scion xB ran rich as hell when I was tuning it... It fouled coppers, constantly. I put in a set of Denso Iridiums and I have never ever fouled one since.
#14
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ac delco iridiums are what i bought and put in my car. they seem to be alright. as far as whats better i dont really know. just as long as the spark plug company doesnt come out with some rediculious gimmick[split fire] about there plugs i dont think there a whole lot of difference.