MSP Spark plug options

[jurgs01]

After trying all the different plug material, I'm sold to Iridiums. We are having a VERY hot (and humid) summer and the only plugs that hold well for me are the NGK ZFR6FIX-11 (peak boost at 8 psi, steady at 7). Coppers didn't hold up. Unfortunatly, they don't make them colder, which is what you want with ur setup and climate. I would look at Iridium from Denso, more precisely the IK 22, which is equivalent to a "7" from NGK and is also pregapped at 0.32

PS: a more efficient intercooler would prolly help more....

My car runs very smooth at stock boost on the IK-22s. I will see how it runs with upped boost when I get my GT28rs installed this weekend.

 

[MsP_DeViL]

My car runs very smooth at stock boost on the IK-22s. I will see how it runs with upped boost when I get my GT28rs installed this weekend.

Cool Keep us posted on that man .. I just got my MAM waiting to install till I get some plugs and other misc items! I orderd the copper but I live in IL and I am having the same problem this year!

 

[MsP_DeViL]

Just got the BKR7EIX's in, there good I like them they made the car much smoother and NO hes. anymore around 3500-4000 I like the NGK's I looked all over for the Denso but I wanted to do this today!

 

[FlyinMSP]

FlyinMSP: Which is colder or better , for boosting over 8psi. NGK ZFR6FIX-11 Or Iridium Denso IK 22. Keep in mind that I live in south texas, with very hot weather 95-100 degrees. Also do the NGK ZFR6FIX-11 come pregapped at .32 ??

The Denso IK 22 are one step colder than the NGK ZFR6FIX-11. The latter comes pregapped at 0.41 (1.1 mm, hence the -11 at the end)
My next set of plugs will be Denso, I've found only but good reviews about them

You can find them here:
http://www.sparkplugs.com/

http://www.sparkplugs.com/results_cross.asp?pid=IK22&x=36&y=14

 

[FlyinMSP]

I've just checked my NGK ZFR6FIX-11 after 3 wweks that I put 'em back on. They are impeccable! Nice tan color all over. No carbon built-up on the edge and no white on the ground electrode. They are just as they should be. I've been boosting at 7-8 psi in very warm and humid climate.

 

[Paul]

so what NGK plugs should i go w/ now?
which ones are 1 step colder than stock? and where to buy / how much?

 

[Talrum]

i am trying to find NGK ZFR7F IX or Denso KJ22 plugs and cant seemed to located these. Anyone know where i can get them? Couldnt find it on sparkplugs.com


Also if i wanna boost 8-9psi are these the plugs i should be using? i Live in Canada so its pretty cold up here~

 

[Paul]

i ordered mine from cullen at www.**********.com

 

[Talrum]

i ordered mine from cullen at www.**********.com

I dont see the plugs on his site. They have the BKR7E which are not extended gap. only the ZFR7F IX was extended.


IS extended reach that much of an issue??

 

[anarchistchiken]

I could really figure this out with some research, but what would be a good choice for me? I dont know if there's a difference between the plugs you should choose for supercharged vs. turboed.

 

[Paul]

http://www.**********.com/Merchant2...PROD&Product_Code=BKR7E&Category_Code=MSP_ENG

these are what i bought. they are 1 step colder

 

[dirtysouth_msp]

Just switched plugs. I was running NGK ZFR7F, however I was having some idle issues and getting more backfire than normal. I switched to Denso IK22 and no more idle issues or backfire. I think that the NGKs were not creating a strong enough spark to ignite all of the fuel being pumped in there. Both plugs were gapped the same, .032. Kind of strange, but all I can say is its denso IK22 from now on.

 

[Talrum]

Just switched plugs. I was running NGK ZFR7F, however I was having some idle issues and getting more backfire than normal. I switched to Denso IK22 and no more idle issues or backfire. I think that the NGKs were not creating a strong enough spark to ignite all of the fuel being pumped in there. Both plugs were gapped the same, .032. Kind of strange, but all I can say is its denso IK22 from now on.

Where did you get your IK22? Ive been having probems located these.

 

[dirtysouth_msp]

Sparkplugs.com has them. That's where I got them. They are not cheap, $11.99 each, plus you have to pay shipping. However, it was well worth it. These plugs come pregapped at .032 and cannot be regapped because the electrode will snap off.

 

[HeHateMe]

What are the best plugs for Stock boost with my set of Mods?

 

[low_psi]

Where are you guys finding the NGK ZFR7F-11??

 

[CommieSpeed]

Is 19mm reach considered "extended reach". I know our stock plugs are exteneded reach so I wanted to make sure the Denso IK 22s were in fact extended as well, but it doesn't say.

 

[chaos2015]

has anyone tried the autolite plugs yet?

 

[dirtysouth_msp]

Is 19mm reach considered "extended reach". I know our stock plugs are exteneded reach so I wanted to make sure the Denso IK 22s were in fact extended as well, but it doesn't say.

Yes, Denso IK22 are extended reach.

 

[hoindawall]

are bkr6e-11 plugs ok for the msp? the lady at checkers said it would be better for my car. i am currently running the bkr7e and my car does not like them at all. i'm at stock boost.