All you need to know: SPARK PLUGS!

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Feb 27, 2006, 12:29 PM

#16

03RallyLancer

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Quote:

Originally Posted by bagice

Don't run the Bosh 4+. I put them in my Lancer and felt the difference in a bad way. Switched them out for Denso Iridium's and they worked alot better. All the extra grouds on the 4+ just got in the way.

a couple of ppl have told me that... including a few high HP domestics... they put in the platinums +4 and they claimed they could fill the loss in power

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Feb 27, 2006, 12:51 PM

#17

gregivq

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I have been told by a pro mechanic that bosh +4 should be used only on German cars.

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Mar 14, 2006, 08:46 PM

#18

iyi0521

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Crap, now what am i gonna do with my +4's. Lol. Thanx for the great info.

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Mar 15, 2006, 02:58 PM

#19

Go2fast

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Just run a set of NGK Iridiums. They will work great and last a while. Im using them in my turboed lancer but there one step cooler!!

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Mar 15, 2006, 06:05 PM

#20

gregivq

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^Shouldn't you use 2 step colder plugs?

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Mar 17, 2006, 07:21 AM

#21

Blacksheepdj

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Doubt it. If you get too cold, they have trouble igniting the fuel. 1 step is usually enough.

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Apr 6, 2006, 04:38 PM

#22

Tainted Winter

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I had 4+ and then swiched to some regular Bosch. I could feel a loss in power (very minor) the first drive but then it was the same.

I want to get some of the iridium NGKs, but i have a question. Our car calls for .039-.043 gap, is this the same for iridium? Also, a friend told me some cars can increase the gap to run better, but then again he bored his 2L DOHC to a 2.25L, how whould you know to increase the gap?

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Oct 19, 2006, 04:39 PM

#23

bahamut

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bored his 2L DOHC to a 2.25L,
=================

that math is wrong if it's a G94.

A G94 can at most gain +.5 mm. Any more = sleeving the cyl walls.

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Jan 14, 2007, 10:54 AM

#24

baileysboostdoz

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good read that will deff help some pep out when they are stuck on what spark plug to use

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Jan 14, 2007, 11:29 AM

#25

Jeovannie

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Thank You

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Jan 14, 2007, 11:35 AM

#26

Jeovannie

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Thank You

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Jun 11, 2007, 10:03 AM

#27

johnd651

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why is sparkplugs.com giving me different plugs for 02 lancer and 03 lancer...i was pretty sure there running the same ones?!?!?!!?

i wanted NGK platinums and now i dont know which ones i should use?!?!!?!?\

______________________________
by the way...thanks for all the info...its sweet

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Aug 26, 2007, 07:31 PM

#28

mitsuozboi

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Quote:

Originally Posted by johnd651

Im bumping this because I ran into this same thing and it confused me to all hell. lol. 02 and 03 lancers on that site give different gaps even though they are the same car. The correct gap is .44 which is what you get when you input 2002 lancer. Figured I would answer this question.

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Nov 20, 2007, 04:47 PM

#29

OEMspecs

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Ok, OEM manual recommend NGK BKR5E-11 .044.. and the NGK website recommend..

*Standard BPR7ES .032

*OE Laser Iridium IGR7A-G ^ # .032

*Iridium IX BPR7EIX .032

..tried going local to shops for NGK's and they say they don't have them instock.

Should i just order them in Standard BPR7ES