Spark Plugs

[JtWo]

I used Bosche PLatinums and they bogged like crazy, would G Power PLatinums work? I already ordered them...hopefully they'll work.

http://www.ngksparkplugs.com/products/cars_trucks_suvs/gpower.asp?nav=11310&country=US

 

[jdub]

You ask the question after you order them?!?! Kinda backwards isn't it?

Those look a lot like the iridium design...if the performance is the same, they should work well. Check the gaps

 

[JtWo]

Nevermind I bought champion coppers instead because i heard platinums suck for 7ms. uhh...how much should I gap them?

 

[JtWo]

With or with out the gasket?

 

[mkIIIman089]

Champions are barely good enough for lawn mowers, and personally I wouldn't have run with coppers either. Hey, at least you'll be able to swap em out pretty soon when they wear out.

Check the TSRM for the gap spec; and what do you mean with or without gasket?

 

[JtWo]

I'm still bogging. And I'm getting code 11.

 

[JtWo]

Ack...no more code 11. But now I'm getting code 42, 51, and 52. WHAT THE HELL?!?!?!

 

[drjonez]

Champions are barely good enough for lawn mowers, and personally I wouldn't have run with coppers either. Hey, at least you'll be able to swap em out pretty soon when they wear out.

Check the TSRM for the gap spec; and what do you mean with or without gasket?

yeah, champion plugs have killed more than a few engines that i know of....

wouldn't run copper? might want to read:

http://www.mkiiitech.com/forums/viewtopic.php?t=36

 

[SupraDupra500]

i dont run anything but copper in my car.. i had iridiums, but it didnt make any noticeable difference. so after a while, i went back to copper. never any probles.. and champion plugs suck.. autolite are okay, but ngk work great bcpr7es FTW

 

[suprarich]

Autolite coppers! champions last 1/4 as long in my motor as the same copper plug in an autolite or ngk.

 

[7MGTEsup]

Sort the codes out, 52 and 51 will be killing the cars performance.

I had platinum plugs in my car for less than 1000 miles before the ceramic craked on 3 of them and gave me a missfire. Put in NGK BCPR6ES coppers (all 6 came to less than the price of 1 platinum) did 10,000 miles on them still looked like new when I changed them. Having to use platinum plugs is a myth, the guy in the shop told me that the copper plugs wouldn't last 300 miles, so I just laughed and said I'll take my chances.

 

[bowsercake]

I'm running the autolite 3923, my old plugs were bad and so obviously these ones worked better. No problems yet but I only have a few thousand miles on them.

 

[upgradedsupra]

I run NGK 6097's .028

Duane

 

[mkIIIman089]

wouldn't run copper? might want to read:

http://www.mkiiitech.com/forums/viewtopic.php?t=36

I've read.

I didn't mean that they were necessarily awful to run, just not worth the time/money to change them out all the time for me. Plus I have never had any easily discernible problem from using what I use.

 

[Imagination6788]

Is it bad if I haven't changed my spark plugs in about 60K miles and 10 years? My supra has a sticker in japanese and english saying to only use platinum tipped spark plugs.

 

[Fletch124]

Is it bad if I haven't changed my spark plugs in about 60K miles and 10 years? My supra has a sticker in japanese and english saying to only use platinum tipped spark plugs.

Change them. You can just get copper plugs. NGK V-power are nice and cheap. I put some NGK-6097 heat range 7 in my car. I was going to buy Iridiums but then I learned that cheap plugs would work just as well and would possibly last longer.

 

[jailbird25]

Copper plugs in a 7MGTE????

ohhhhhhhhhhh nooo..............the V-Line NGK plugs are verry good for normal engines...are not for a turbo engine with high mods and pressure.
my Supra is running with NGK Iridium plugs.

NGK Laser platinium are good ( BCPR6EP-N-8)

 

[drjonez]

copper is a FAR better conductor of heat. platinums stay hot too long.

too bad mkiiitech is down or i'd slap the beatstick of truth on you....

 

[1988SupraDreams]

NGK Iridium IX Plugs in mine. Might be good for you JtWo if you're not a genius at gapping; they come pre-gapped.

And btw man, do yourself a huge favor and save up the cash and buy yourself a NEW EFI harness. Your car in perticular needs it.

 

[bosco659]

The Autolite plugs are a bit shorter than the stock plugs. I have heard of issues of the spark plug wire boots popping off of the plugs causing issues. Any truth to this??