i need new sparkplugs, any suggestions?
i was thinking of getting the BOSCH +4
http://www.ebay.com/itm/4-PCS-Bosch-4482-Platinum-4-Spark-Plugs-HGR8MQPO-for-Chevy-Chrysler-Saturn-/111629752480?fits=Year%3A2003|Make%3AOldsmobile|Mo del%3AAlero|Submodel%3AGL|Engine+-+Liter_Display%3A2.2L&hash=item19fda6d8a0:g:Oz8AAO SwrklVEiOD&vxp=mtr what do you guys think? yes this is specific for the 2.2L ecotech |
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These cars tend to be picky about having either ac delco or ngk (ac delcos are made by ngk). I haven't had issues with how it runs with others, but I have never gotten good fuel efficiency out of others either. The 2.2l seems to be a little less sensitive to other brands than the 3.4l though. |
so are the bosch +4 a good brand?
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Bosch products are usually good products, but as I said your car probably won't perform optimally with them.
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well i used the bosch +4 in my grand prix with a 3.8L but i also had a spark plug core with that car
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Well it sounds like you made a decision before you asked the question in the first place.
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To be honest, I am not really a fan of Bosch spark plugs. A quick google search will show many people's negative opinions about them. I went for the NGK Iridiums. I don't buy spark plugs every day, they are only four, might as well go for the best NGK has to offer (I think).
If you want a plug that conducts more electricity, go for copper. If you want a long life plug, go for platinum. If you want a bit of both, go for iridium. You will not really see much, if any, of a performance improvement with spark plugs though. |
I used some performance spark plugs once. I do not remember the name, they may have been NGK, but they ended up causing issues down the road. Unless you are running a tune and whatnot, I suggest just running the stock AC Delco's.
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ok so i should go for IRIDIUM sparkplugs, NGK?
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NGK, I believe make AC Delco plugs. 03glgold also stated this earlier in this thread. Maybe you had used another plug? I have run NGK copper, platinum, and iridium on my Ecotec Alero, and have never had issues with them. Copper just require more of a regular maintenance, but I always changed the copper ones before I had any issues. Quote:
If you want. That is what I am using on my Ecotec Alero, and I have had zero issues. Also, after many plug failures on his motorcycle, my dad switched to NGK Iridiums, and has yet to replace them. |
OE ACDelco plugs
GM cars don't seem to like anything other than that. My Alero missed all the time with the Bosch +4's. I also bought a cheaper plug for my old Delta with the stock 307. Missed like crazy and had to be towed. The 1968 olds 350, with mid 1970's style ign i put in that car didn't like something other than stock. Didn't take any chances with my Olds 330 build. OE 1967 style ACDelcos ;) |
I love Bosch automotive products, but I would not use their spark plugs in any car unless they came from the factory with them. Their other stuff besides spark plugs is pretty good though.
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I would also jump in with ACDelco's or NGK's for GM vehicles. I've tried some other brands and they never lasted or caused weird misfires/idle stumbling almost immediately.
NGK is a pretty solid choice for most vehicle brands (most conventional passenger car and trucks anyway) and are easy to find and are cheaper for the most part. |
i installed the bosch +4 sparkplugs in my alero, my car runs great right now. my car has 135K miles and no issues on my end. i also used spark plug gel on my spark plug connectors, maybe its necessary for them to run right. i use it mostly for thruway use.
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I run Autolite double platinums in my 3.4 and they have worked just fine for 40,000 miles. It's a plug. It creates a spark. It will work. Plugs with more then 1 electrode are just a gimmick. The spark will ground to the electrode with the shortest gap until it erodes away and then move onto the next closest.
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NGK are what I always run
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another one for NGK plugs. I ran them in my 2.2l alero, my 5 2.3l saab ecotechs, my Jeep, and currently have a set of iridium in my 3.4l alero. I typically go with copper plugs, especially on a 4cyl since they are so easy to replace. but I put iridiums in my 3.4l since it is a bigger pain to replace the rear plugs. The only real difference in plugs is copper = ~30k mile service life, platinum = 75k miles, and iridium = ~100k+ service life. there isn't a quality difference between them. They all do exactly the same thing, and as long as they have the correct gap, then any performance/fuel economy difference is because you're driving differently/you believe the advertising.
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Love the iridium just put them in my fusion. Part number: TR55IX for the 3.4. Non-iridium is TR55. They are a bit pricey. I get lucky with my job and get them for $4.45 a pop.
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Edit, tried to delete.
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just returning to this forum to report 0 problems with the BOSCH +4 platinum in an alero 2.2L
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