Best Bang For My Buck Spark Plugs

UpbeatFish

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Oct 4, 2007
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i just finished working on my car. and after a hand full of headaches and a good smoke, shes done. now im doing her tune up and i was looking around.


whats the best spark plugs for my stock 7mgte?
i hear that ngk are awsome but thats what i hear from the auto store.

what are you guys running on your cars?
 

gaboonviper85

Supramania Contributor
Jan 13, 2008
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Ngk coppers seem to be the plug of choice...they don't last forever but they fire nice. I don't know what heat range though. They are also very cheap!
 
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UpbeatFish

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Fuzz420;1223071 said:
Ngk is my number 1 choice, but the store was out of the platinums so i got Autolite Platinums, and they feel fine, just like the ngk's i had in before

those you dont have to gap am i right?

i got autolite spark plugs and my mechanic said. no you need ngk
 

sk6471

Quietly Lurking
May 28, 2005
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UpbeatFish;1223080 said:
those you dont have to gap am i right?

i got autolite spark plugs and my mechanic said. no you need ngk

Autolite copper are fine. NGK copper are better and still cheap. Denso makes good plugs as well, but charge too much for them. Platinum plugs are a waste of money. Iridium is both more durable and conducts heat and electricity better. Copper conducts heat and electricity the best but is the softest material so it wears out faster. As easy as they are to get to I would recommend using copper. As for heat range it depends on what the old plugs looked like. If they have a yellowish white glaze and have no deposits or have flecks of aluminum on them then you need to go step colder. If they are covered in black carbon but are not oil covered go a step higher.

To answer your basic question as far as bang for the buck I would recommend NGK copper V-Power BCPR6E. If you can't find that, 2JZ GTE plugs also fit BKR6E-11. With NGK 6 is the factory heat range 5 is hotter and 7 is colder. You'll want to make sure that they're gapped to .032".

Also I'm sure all of this information is on here somewhere and you should have used the search button.
 

UpbeatFish

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sk6471;1223093 said:
Autolite copper are fine. NGK copper are better and still cheap. Denso makes good plugs as well, but charge too much for them. Platinum plugs are a waste of money. Iridium is both more durable and conducts heat and electricity better. Copper conducts heat and electricity the best but is the softest material so it wears out faster. As easy as they are to get to I would recommend using copper. As for heat range it depends on what the old plugs looked like. If they have a yellowish white glaze and have no deposits or have flecks of aluminum on them then you need to go step colder. If they are covered in black carbon but are not oil covered go a step higher.

To answer your basic question as far as bang for the buck I would recommend NGK copper V-Power BCPR6E. If you can't find that, 2JZ GTE plugs also fit BKR6E-11. With NGK 6 is the factory heat range 5 is hotter and 7 is colder. You'll want to make sure that they're gapped to .032".

Also I'm sure all of this information is on here somewhere and you should have used the search button.


alrighty thanks

i searched and nothing came up so i took the matter into my own hands
 

Zumtizzle

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Oct 21, 2006
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sk6471;1223093 said:
If you can't find that, 2JZ GTE plugs also fit
BKR6E-11. .

Buzzzzz.

NGKsparkplugNum.gif



1/2JZ Plugs are ISO (International Standards Organization) Plugs.

29.jpg


Where as, xM Plugs are JIS (Japanese Industrial Standard).

28.jpg



With that said. NGK Standards are Great.

I just go with Autolite because i have tons of them. (and i replace plugs every oil filter change) ;)
 

Zumtizzle

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UpbeatFish;1223409 said:
i ended up getting ngk iridium

what you guys think?

am i good great or perfect =]]]

Waste of money in a turbo car IMO.

Pull them out in 15K miles and :biglaugh:.

good plug with good spark; Adjuster and IJ run them but they're both nuts. :biglaugh:

with that said thats what i run in my 2JZ lexus. :)
 

arizzle

Lov'in the boost.
Nov 1, 2006
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UpbeatFish;1223409 said:
i ended up getting ngk iridium

what you guys think?

am i good great or perfect =]]]

im running those in my car! people will say not good but i love them! :love:, i felt a big difference compare to reg NGK's that i had in before.
 

fonz87

89 Turbo!!!!
Nov 17, 2007
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here is a dumb question ?

Will it have any effect, performance and start ups or driving wise, if you installed sparks that are other than NGKs?


like for example, bosch plugs.......... my car has problems starting in the mornings, it would take me 10 try before barely starting up and the plugs were gaped like 35 or 37 i think and the car was misfiring, i can hear the backfires from the exhaust since my exhaust is cracked!
I m goin to change the plugs but wasn't sure if that was the problem to my start ups and misfiring.
 

UpbeatFish

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fonz87;1223595 said:
here is a dumb question ?

Will it have any effect, performance and start ups or driving wise, if you installed sparks that are other than NGKs?


like for example, bosch plugs.......... my car has problems starting in the mornings, it would take me 10 try before barely starting up and the plugs were gaped like 35 or 37 i think and the car was misfiring, i can hear the backfires from the exhaust since my exhaust is cracked!
I m goin to change the plugs but wasn't sure if that was the problem to my start ups and misfiring.


i had the same problem as you

mine was 2 things. the timing was off. and i need a new cold start injector

good luck though
 

supradjza80

Mr. Formula SAE
Apr 24, 2007
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I run the Denso IQ20 which can be purchased at www.rockauto.com for the low price of $8 per plug. i also could not be happier with the performance and this is with a DDP, straight pipe exhaust and about 10 Psi from the stock turbo. the Denso iridiums are the best plugs out there with NGK's following in a close second...
 

jdub

Official SM Expert: Motor Oil, Lubricants & Fil
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Feb 10, 2006
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One thing to consider using the AutoLite 3923 plugs...they are shorter than stock by about 1/8". Some aftermarket plug wires do like that and will arc. I like the NGK copper plugs personally.
 

figgie

Supramania Contributor
Mar 30, 2005
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sk6471;1223093 said:
..... Iridium is both more durable and conducts heat and electricity better.


Say what? Where did you pull that information from?

Iridium sucks at BOTH heat conductivity and electrical conductivity! As a matter of fact, heat conductivity is directly related to its electrical conductivity. Iridium is worse than even aluminum in that regards.

I run Iridiums but not because they are good. I need the plugs to survive the CDI-8 ignition system.

UpbeatFish;1223409 said:
i ended up getting ngk iridium



what you guys think?



am i good great or perfect =]]]





niether of those options actually. Copper or plats at most. Anything else, and the only thing you gain is a lighter wallet.
 
Dec 3, 2003
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Everyone's set-up may vary on the spark plug being used. I run a 6097 but change them frequently, sometimes within a couple of weeks to a month.
 

fonz87

89 Turbo!!!!
Nov 17, 2007
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upgradedsupra;1224031 said:
Everyone's set-up may vary on the spark plug being used. I run a 6097 but change them frequently, sometimes within a couple of weeks to a month.

i bet you change your plugs like i change my underwear.....


wait wut ?