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95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

which plugs for supercharged 3.4L 5VZFE?

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Old 09-28-2009, 09:41 AM
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which plugs for supercharged 3.4L 5VZFE?

without URD fuel mods or 7th injector. pretty sure it's the standard TRD exhaust as well

i searched but couldn't find what i was looking for.

i'm a jeep guy myself, but i'm just trying to make sure my brother doesn't waste money on expensive plugs he doesn't need

he wants to get NKG iridiums. is he wasting his money on that instead of a standard copper plug? also any recommendations would really be appreciated

sorry if this has come up a million times before

Old 10-01-2009, 07:41 AM
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NGK. Spark plugs are one of the most important components to an engine. Use the wrong ones and you could be screwed. You will spend at least the same money replacing with copper plugs 3x over for the same money as the NGK. One set of NGK plugs = at least 3 sets of copper plugs. Mine originals lasted 111K before I changed them and I had NO CEL. No copper plug will last that long. You will get better gas mileage with the NGKs anyway.
My advice: Always use OEM plugs for piece of mind and security.

Last edited by stir_fry_boy; 10-01-2009 at 07:43 AM.
Old 10-01-2009, 07:47 AM
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thanks, yeah we went with the NGK iridiums and it runs so much better and no more CEL

the copper plugs were toast after only 15k miles
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