RE: What Spark Plugs for 02 Limited

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RE: What Spark Plugs for 02 Limited - 5/24/2006 1:14:11 PM    RE13REW   Posts: 7 Joined: 5/1/2006 Status: offline i m going to get a set of bosch +4 spark plug for replacement, what do you think ? Do i need to buy a new intake manifold gasket when i replace a spark plug ? (in reply to RE13REW) Post #: 11

RE: What Spark Plugs for 02 Limited - 5/24/2006 6:06:22 PM    michaeljr5 Posts: 46 Joined: 4/14/2006 Status: offline I would use just plain Bosch Platinums. The 4s are over rated. (in reply to RE13REW) Post #: 12

RE: What Spark Plugs for 02 Limited - 5/25/2006 9:02:54 PM    RE13REW   Posts: 7 Joined: 5/1/2006 Status: offline why over rated ?? (in reply to michaeljr5) Post #: 13

RE: What Spark Plugs for 02 Limited - 5/25/2006 9:53:59 PM    off roader   Posts: 419 Joined: 10/20/2005 Status: offline Do the 02 sports require you to remove the intake manifold to replace all the plugs like the 95 Montero SR's w/ the 3.5L dohc engines? If so, regular bosch plats are not going to be the best. Go for the NGK Iridium's or better (longevity wise). Otherwise you'll be doing extra $700+ spark plug replacements because you didn't want to spend an extra $100 for the longer lasting plugs. (in reply to michaeljr5) Post #: 14

RE: What Spark Plugs for 02 Limited - 6/1/2006 9:01:27 PM    RE13REW   Posts: 7 Joined: 5/1/2006 Status: offline Well, in ordinary plugs it is no doubt to buy NGK, but +4 seems to have longest life; that is the reason why I mention +4 earlier. I understand +4 is costly compare to others but it is worth to pay about 3 dollars more on each plug rather than change it often. So my question is +4 can be able to use in 01 Montero 3.5L ? When I install intake menifold back; Do i have to use a new gasket ? (in reply to off roader) Post #: 15

RE: What Spark Plugs for 02 Limited - 6/6/2006 6:16:11 PM    Winshawn   Posts: 269 Joined: 1/31/2005 Status: offline You need a new intake plenum gasket when you reinstall the plenum. Most parts stores have them in stock. About $6. Bosch +4 plugs do not last longer than NGK's and they are definately not better. The BEST long life plug technology is Iridium. The next best it Platinum. The mult electrode plugs are crop. A good source for NGK plugs. www.sparkplugs.com _____________________________ '90 Montero (sold-sadly) '95 Montero LS (166k) - my car '03 Montero Limited (36k) - wife's car (in reply to RE13REW) Post #: 16

RE: What Spark Plugs for 02 Limited - 6/10/2006 1:18:18 AM    Joel_CA   Posts: 472 Joined: 9/20/2005 Status: offline Yes you'll need to remove the upper intake manifold in order to access the spark plugs. If you chose, you can reuse the manifold gasket since it's a metal gasket (though i won't recommend it). Joel, CA < Message edited by Joel_CA -- 6/10/2006 1:19:57 AM > _____________________________ 1992 3000GT VR4 & 1996 STEALTH RT/TT #47 *both tastefully modded* (in reply to Winshawn) Post #: 17

RE: What Spark Plugs for 02 Limited - 8/9/2006 10:39:59 PM    atasic   Posts: 8 Joined: 6/19/2005 Status: offline I am no expert by any means, however here is what I would recommend for spark plugs. Reading the factory manual, oem spark plugs for Montero LTD recommended interval is 60K. Also wires are recommended at 60K or 60 months. No need to replace these any sooner as they work very well, obviously unless there is a confirmed failure of one or the other. Labor to replace these will be very high due to amount of work involved to get to them. OEM plugs are most likely Denso, are iridium tipped, of propper temp rating. They are high quality, designed with 60k interval in mind. I would personaly stick with oem plugs and wires. I have an '01 LTD with 43k, still oem plugs and wires. I did pass 60 month interval for wires, but due to cost involved will wait for 60k and replace both. I don't have enough skill and knowledge to do it myself, but am lucky to have a shop that has very experienced Mitsu tech that works on my car. There is a lot more to propper choice of spark plugs. It would be very long to elaborate here. A lot of it is on the web available for reading. The other vehicle I own has a turbo, even more critical in propper plug choice. Audi forums are full of good plug general knowledge threads and are very educational. Bottom line, in Mitsu case, in my experience stock oem worked very well so far. I would stick with it. (in reply to Joel_CA) Post #: 18

RE: What Spark Plugs for 02 Limited - 8/10/2006 5:24:07 PM    Manybrews Posts: 725 Joined: 5/23/2003 From: United States Status: offline bosche plugs are terrible. Never ever use them in a mitsu, unless you like misfiring and replacing them frequently. Use ONLY NGKs (or denso). Factory spec. you wont find a better choice anywhere on the planet. Dont fall for the rediculous marketing of "splitfire" or "+4"; its all crap. (in reply to atasic) Post #: 19

RE: What Spark Plugs for 02 Limited - 8/10/2006 5:31:31 PM    Sebba Posts: 14467 Joined: 2/20/2006 From: San Antonio, TX Status: offline ^^^ best post here _____________________________ These cranks are made for walkin'', and thats just what they''ll do, one of these days these cranks are gonna walk all over you (in reply to Manybrews) Post #: 20

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