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Bosch finewire iridium plugs.Wow

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Old 09-21-2011, 05:16 PM
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Default Bosch finewire iridium plugs.Wow

I entered the contest for the iridium finewire plugs.Well i recieved them and stuck them in my ls1.Excellent idle and good thru all rpm's.I like these plugs I normally run the ngk.I think I found my new plug.I am not knocking ngk but you guys need to give these a try.Bosch has got a nice plug here.
Old 09-21-2011, 05:33 PM
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Originally Posted by sabersaw30
I entered the contest for the iridium finewire plugs.Well i recieved them and stuck them in my ls1.Excellent idle and good thru all rpm's.I like these plugs I normally run the ngk.I think I found my new plug.I am not knocking ngk but you guys need to give these a try.Bosch has got a nice plug here.
Are you comparing them to a set of new NGKs or the before and after plug change?
Old 09-21-2011, 08:33 PM
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Originally Posted by 01 CamaroSS SLP
Are you comparing them to a set of new NGKs or the before and after plug change?
New ngk plugs.The ngk plugs i pulled out were still fresh.I won these i figured i would try them.I love the ngk plugs.These plugs just seems smoother through the whole rpm range.I know every car likes different plugs.As for my car it likes these plugs.I just want to run these hard to see how long they will hold up.My wallet might get mad at me.
Old 09-21-2011, 08:37 PM
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interesting because almost everybody i know that has used bosch plugs hates them
Old 09-21-2011, 10:06 PM
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Originally Posted by why87
interesting because almost everybody i know that has used bosch plugs hates them
I believe the platinum is the ones they dislike.These are iridium.I never tried the platinums.
Old 09-22-2011, 01:24 AM
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Whats the retail on these beauties?
Old 09-22-2011, 03:43 PM
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I think the finewires are $8-9? Someone correct me if im wrong.
Old 09-22-2011, 04:08 PM
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I'd like to see some dyno results of any brand of iridium plugs I've seen 3hp gains from then on old 650twin yamaha motocycles, 3hp doesn't sound like much but when your starting with a 35-45hp motor thats about a 7% gain. But then again I only had to buy 2 of then not 8 and just for the record they were nkg's. I'd like to see some proof of power gained before I'll spend $50 on a set of plugs.

I also found the the bosch ir fine wires on rockauto for $5.53
Old 09-23-2011, 07:45 AM
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On every car I've ever put bosch spark plugs in, I've had problems with. The NGK's are great plugs and at $2 each very hard to beat imo.
Old 09-23-2011, 09:03 AM
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Yea 2 bucks is what I like to pay for ngk's and they last. So to double, triple, or more it better make more power!

The problem i've had with bosch is they don't last. Idle and run smooth at first but crap out soon. Had one bust the porcelain once. Just my 2¢
Old 09-23-2011, 09:55 AM
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What problems are people having with bosch plugs? I've used them before on a couple different vehicles including my camaro. I haven't noticed anything strange on any of them. Then again I dont take my car to the track. So I don't know. Just curious.
Old 09-23-2011, 10:23 AM
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I've used Bosch plugs in 4 different vehicals over the last 10years usaully platinum2's and never had any problems but next time the T/A needs plugs I'll probably use NKG's unless someone shows some proof of power gains from a set of $50 plugs.
Old 09-23-2011, 10:47 AM
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I've run bosch plugs in my DD saturn and wifes DD honda accord. BOTH vehicles needed new plugs after less than 20K miles. My wife's accord wouldn't start on hot days when her car would sit under the sun for a few hours. Those plugs have always been a headache for me personally. My mechanic shares the same opinion so I just went with his suggestion ever since, NGK!
Old 09-23-2011, 10:54 AM
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I got mine in the mail last week, and just waiting for some free time to install them.
Old 09-23-2011, 03:59 PM
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I have had them in for a couple days running the crap out of them so far so good.Redlined many times no skips and smooth idle so far.
Old 09-23-2011, 08:38 PM
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Originally Posted by Fry_
I've used Bosch plugs in 4 different vehicals over the last 10years usaully platinum2's and never had any problems but next time the T/A needs plugs I'll probably use NKG's unless someone shows some proof of power gains from a set of $50 plugs.
I ran Bosch platinums in my old 73 Chevy p/u with a 350. It liked them, I never had any problems with them. It wasn't till I switched to Autolites that I started having problems...in two different cars. I hate Autolites.
Old 09-30-2011, 11:06 PM
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Plugs still working good a boat load of wide open throttle pulls.
Old 10-01-2011, 03:48 PM
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i think anybody who can feel the difference between two fresh sets of good plugs must have a super sensative ***.thats like your car runs better after you wash it.
Old 10-01-2011, 05:36 PM
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I must have a sensitive but then.May not be faster but deffinately smoother.



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