Hey guys im supercharged so for those boosting... what spark plugs are you guys using? Also what are they gapped at? Im using the ones from ZZP the autolite xtreme performance, but wanna know if there are any better ones.

 

check out beck's build guide. I beleive its listed in there

 

I am using the Autolites too. They are only one step colder, but that should be all we need. I gapped mine to .29

As per the Beck parts list:

NGK Copper Spark Plugs (Part# LFR6A-11)

When you look through the NGK plugs the number in the first series (6) denotes the heat range.

 

mine come gapped at .43 for my car should i lower it? It just honestly came to me... let me know what you guys think?

 

i just left the gap they came with

 

I recently bought Autolites, gapped at .32 and so far no misfires. My old AC Delco ones were bad.

 

but that was on ur LSJ right? isnt it different for the LE5 or it really dont matter. Cause when im in idle it is good for most of the time but then randomly go rough and my arf hits 16.ish then goes back to normal... so I was thinking maybe its the plugs

 

My Old LSJ was not Autolites. Cant remember which ones. but gapped at .34

my LNF is the Autolites.

 

so what you think drop it? Im at .43 what should i try to drop it to?

 

Try .34, if that is still giving you issues drop to .32

I know stock gap is .35 for LNF/LSJ but yours is .42

Since your boosted, I would think it should be lower.

 

agh i see u think that is why i idle a lil rough sometimes?

 

Could be, my idle was rough when I had the old spark plugs in. I was getting p0300 random missfire and p0302/03 for Missfire in Cylinder 2 and 3. No missfire so far and the idle is a tad bit better. Usually that has to due with the Tune. I am untunned with a Hahn CAI so I figure thats why my idle is off.

 

hmm alrighty well I will experiment and see if i run .34 how it feels can the car get damaged if I do a pull? after messing with the gapping?

 

You will know immediately if the car doesnt like that gapping. it will probably sputter and die. I guess the only damage you could have is if the car goes lean and you have detonation. I wouldnt push it too hard.

Start it up, let it idle. Check your Interceptor and see if there any KR. Then slowly start to ramp it up.

 

I see... sweet thanks!

 

NGK LTR6IX-11. I'm a 2.2 but plugs will be the same for you and I'm gapped at .028

 

I have been running a gap of .036 on the NGK LFR6A-11 with the 3" pulley on a 2.4. I have no idea if they are any better than the Autolites but I have no complaints after running them for about 14-15k miles.

 

NGK LTR6IX-11 these are what im using to but im a 2.2 as well but i have mine gaped at .032

 

Hey guys where do u buy those NGK spark plugs at?

 

ZZP sells em, but i think you can go into any auto parts store and have them ordered.

 

For the mods you have at .43 i'd be surprised if you werent getting blowout. I'd try .32-.35.

 

Ya its weird I knew something was up.. cause when it idles it is a lil rough then also when im driving I give it a lil gas and then it studders a lil then its fine... im gonna see if thats the issue.

edited

The spark plugs on ZZP website say those NGK are only for LSJ is that ok ? ALso they have the regular NGK spark plugs and the NGK- V... So which is the one and is it ok to put spark plugs that are for LSJ in LE5?

 

Im at .42-.43 on the zzp liquid/air setup and no problems what so ever. Car ran strong.

I get my plugs of Amazon w 2day shipping free

 

I'm running 2 step colder NGK iridiums