Waxiboy Posted November 24, 2007 Share Posted November 24, 2007 I replaced mine with LFR7AIX 2 days ago and it took 1.5 hours. I took out the airbox on the right side but kept the battery in place for the left side. Tip on pulling out rear L&R coil packs: With the 12mm bolt loosened and the wire unplugged from the coil pack, rotate the coil pack 180 deg then pull up/out. Do the reverse when putting back in. Link to comment Share on other sites More sharing options...
Beanboy Posted December 4, 2007 Share Posted December 4, 2007 Anybody using NGK BKR7EIX? Appears that's what thekingofparts.com is offering for one step colder plugs for the STI/LGT motor... -B http://www.standardshift.com Link to comment Share on other sites More sharing options...
mickeyd2005 Posted December 4, 2007 Share Posted December 4, 2007 Anybody using NGK BKR7EIX? Appears that's what thekingofparts.com is offering for one step colder plugs for the STI/LGT motor... Where did you see that link. IIRC, the BKR7EIX is one step colder WRX plugs. If you could post a link, I could double check. Link to comment Share on other sites More sharing options...
Beanboy Posted December 4, 2007 Share Posted December 4, 2007 I'm sorry, NGK ILFR7H... thekingofparts has BRK* listed in checkout for both WRX and STI/LGT. Assume since they do have them listed sep., on he plugs page, just a quirk of the shopping card. Again, I meant NGK ILFR7H, as hadvw listed in the NASIOC thread. -B http://www.standardshift.com Link to comment Share on other sites More sharing options...
mickeyd2005 Posted December 4, 2007 Share Posted December 4, 2007 I installed the NGK ILFR7H. No difference that I can tell. Link to comment Share on other sites More sharing options...
Deer Killer Posted December 4, 2007 Share Posted December 4, 2007 Been through a winter yet? Lots of rich running.. Link to comment Share on other sites More sharing options...
mickeyd2005 Posted December 4, 2007 Share Posted December 4, 2007 Spark plugs don't affect AFR. Colder plugs may lead to some incomplete combustion leading to misfires but I haven't seen that in temperatures down to 30F. Link to comment Share on other sites More sharing options...
Deer Killer Posted December 4, 2007 Share Posted December 4, 2007 I didn't say they did. Cold temps do, especially cold idling, while you're scraping ice of the car. Link to comment Share on other sites More sharing options...
LittleBlueGT Posted December 4, 2007 Share Posted December 4, 2007 I got colder plugs in (one step) and so far no difference in the cold. But I have only had a few days of -20. Full tune of 68HTA, KSTech 73 MAF, Racer X FMIC and ID1000s................by the DataLog Mafia!!! Link to comment Share on other sites More sharing options...
laramieskibum Posted December 5, 2007 Share Posted December 5, 2007 (edited) I'm in the middle of this now, plugs are out. FYI: NAPA will try to sell you NGK Iridium IX 5464 (BKR5EIX-11) as a plug for 2006 OBXT. The seating depth is nearly 1/2" deeper on the stock Laser Iridiums. Not sure if that would hurt anything, but figure they have a certain depth for a reason right? Just ask for 4904 NGK's....I wouldn't trust their computer system. Edited September 14, 2019 by laramieskibum Link to comment Share on other sites More sharing options...
praedet Posted December 10, 2007 Share Posted December 10, 2007 Did my plugs over the weekend. Lots of cuts on my hands, but Oh well;) I could have done it w/ the battery in, but it went a lot quicker with it out. I went w/ stock plugs. I will be running WI and I am at High altitude, so 1 step colder is not required even if I am at 100+ whp over stock... King of parts price matched the lowest price I found, so I got them for $11.35 a piece Link to comment Share on other sites More sharing options...
hadvw Posted December 11, 2007 Share Posted December 11, 2007 Did my plugs over the weekend. Lots of cuts on my hands, but Oh well;) I could have done it w/ the battery in, but it went a lot quicker with it out. I went w/ stock plugs. I will be running WI and I am at High altitude, so 1 step colder is not required even if I am at 100+ whp over stock... King of parts price matched the lowest price I found, so I got them for $11.35 a piece Shipped, or non-shipped? With their 10% off Iridium plugs in Nov, I got 4 LFR7AIX for just under $40 shipped from sparkplugs.com.. HV Link to comment Share on other sites More sharing options...
praedet Posted December 11, 2007 Share Posted December 11, 2007 shipped... Link to comment Share on other sites More sharing options...
JOE_1985 Posted December 15, 2007 Share Posted December 15, 2007 just took out the plug closest to the air intake to check condition (rough idea) there toast, only mods i have are a spt intake, borla cat back and a autometer gauge, im at 43,000. Seems to me dont wait till 60k. Link to comment Share on other sites More sharing options...
hadvw Posted December 16, 2007 Share Posted December 16, 2007 just took out the plug closest to the air intake to check condition (rough idea) there toast, only mods i have are a spt intake, borla cat back and a autometer gauge, im at 43,000. Seems to me dont wait till 60k. Thanks for the heads-up. I already have new plugs (41K right now, stage 1 around 33K, stage 2 around 37-38K), just waiting for the right time to install! HV Link to comment Share on other sites More sharing options...
JOE_1985 Posted December 16, 2007 Share Posted December 16, 2007 np napa here in jax had the stock plugs, at 13 dollars a pop:eek: so i got owned, they will be here tomarrow at noon, i needed to get them that quickly cause im going out of town for my normal monthly 6 hour trip tuesday morning Link to comment Share on other sites More sharing options...
hadvw Posted December 16, 2007 Share Posted December 16, 2007 np napa here in jax had the stock plugs, at 13 dollars a pop:eek: so i got owned, they will be here tomarrow at noon, i needed to get them that quickly cause im going out of town for my normal monthly 6 hour trip tuesday morning I see them mostly go for around $10-11 shipped, so $13 isn't that bad. Even with their 10% off coupon, I still paid $10 each shipped for LFR7AIX.. Link to comment Share on other sites More sharing options...
JOE_1985 Posted December 17, 2007 Share Posted December 17, 2007 plugs are in, my hands and fingers hate me now. car is alot more resonsive now, doesnt have that sluggish feeling like before. also while u have the intake and battery out , nows a good time to clean your aftermarket filter or put on a aftermarket intake, or panel filter. Also its a good time to do the fog bulbs as well. so yeah i put napa lazer blue fog bulbs to match my low beams, and took my dirty spt filter off and put on a k&n filter on my intake, im happy with the results of everything Link to comment Share on other sites More sharing options...
hadvw Posted January 1, 2008 Share Posted January 1, 2008 Plugs are in! 4 hours total - 2 per side. Remove & replace battery & airbox took at least 1 of those 4 hours. Has to be one of the hokiest battery securing bracket I've ever seen.. Keep in mind - this is my first time for everything with Subaru, so first time removing battery, first time removing airbox, etc.. Those poppits are annoying.. And fragile.. A couple of hints: -you can tell when the boots are back on the plugs - they go in all the way easily, and make a "plop" when you pull them off. Once they're on, they don't dislodge that easily, so go ahead and push/pull a few times to hear the plop to make sure they're on -had to do the 180 rotation trick for BOTH rear coilpacks. AND remove the connectors before removing the coilpacks. -always remember to re-plug the connectors back in before starting to screw in the coils. Hardest parts: -getting boot back on on driver's rear -getting plug socket OUT of driver's rear port after re-installing the plug: had to use a small screwdriver to pop the plug socket off the 3" extension - not enough clearance to remove both socket + extension connected Tools I used: 3/8" socket set. 3" extension, 3" wobble extension. Did almost all of the work with that - most screwing/unscrewing by turning the extension by hand, which was a pain after a while (stupid carpal tunnel :-(). Additionally: used the 1/4 adapter + 1/4 3" extension with the other extensions for the airbox bolts. Could probably do it in 2.5-3 hours this time.. HV Link to comment Share on other sites More sharing options...
TSiWRX Posted January 1, 2008 Share Posted January 1, 2008 ^ Congrats! And yep, it's all about muscle memory. I did my "flip side" in 1/3 the time, if I remember correctly, as my "first side" (I'm fairly decent at spacial stuff - so I got lucky there), but you should've heard me out there when I was doing that first side...sailors were running away.... Thanks for the additional tips! <-- I love Winky, my "periwinkle" (ABP) LGT! - Allen / Usual Suspect "DumboRAT" / One of the Three Stooges '16 Outback, '16 WRX, 7th Subaru Family Link to comment Share on other sites More sharing options...
mccorry Posted January 2, 2008 Share Posted January 2, 2008 4 HOURS?!?!?! Your back has to be killing you after hunching over the fender that long. I've done 4 LGT spark plug changes and I can do it in about 40-45 minutes. Link to comment Share on other sites More sharing options...
TSiWRX Posted January 2, 2008 Share Posted January 2, 2008 ^ I was seriously cursing having dropped the car, just the month before. IIRC, my driver's side (the first side I tackled) took me nearly 2 and a half hours. And yes, I was sore that night. Luckily, the muscle-memory I'd built-up from that side translated well to the other, and I was able to do the passenger's side in around 30 minutes (again, IIRC). I was *very* thankful, though, that our hood has the two different opening settings. <-- I love Winky, my "periwinkle" (ABP) LGT! - Allen / Usual Suspect "DumboRAT" / One of the Three Stooges '16 Outback, '16 WRX, 7th Subaru Family Link to comment Share on other sites More sharing options...
fishbone Posted January 3, 2008 Share Posted January 3, 2008 So what happens if you go 1 step colder but you're stock or Stage 1 [Cobb] at most? I plan on going Stage 2 but the spark plug replacement might come first. What happens if you just stick to stock plugs with Stage 2 Cobb? I might actually let my shop do this but I'll keep considering it. 50k on the car, cold as shit outside, got quoted at $225 for the job. Kinda more than I expected, but oh well. I'll think about it. Car runs fine. Link to comment Share on other sites More sharing options...
mccorry Posted January 4, 2008 Share Posted January 4, 2008 A colder plug has a greater chance of fouling... but if you drive the car in a "spiritied" manner on a regular basis... you'll be fine. Link to comment Share on other sites More sharing options...
fishbone Posted January 4, 2008 Share Posted January 4, 2008 Which I do not. So then, I think regular plugs for Stage 2 are just fine. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now