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va beach biker
03-06-2007, 09:45 PM
It's almost time for the beast's first spark plug and oil change. What plugs are you guys running, and is a little dab of anti-seize on the threads worth the bother?
Jeffvette
03-06-2007, 09:50 PM
Always use antiseize.... always.

Try the NGK Iridium plugs.
Hammer
03-06-2007, 10:15 PM
Always use antiseize.... always.

Try the NGK Iridium plugs.

ALWAYS, ALWAYS USE ANTI-SEIZE.
I put Bosch Platinums in mine gapped at 0.040, no reason, I just like 'em.
ArcticZR1
03-06-2007, 10:34 PM
why anti-seize and what is it? I have split fires...
Jeffvette
03-06-2007, 10:42 PM
Antiseize prevents galling and keeps the plug from seizing in the hole.
ArcticZR1
03-06-2007, 10:53 PM
I see...thanks Jeff. I hope the previous owner did it on mine!
Hammer
03-06-2007, 10:55 PM
If you don't use it you stand a chance of someday pulling your plugs out and the threads from the head will be there too. Any auto parts store has it, just ask for anti-seize.
ArcticZR1
03-06-2007, 10:57 PM
Cool..I'll have to pull them in case.
blackjack
03-06-2007, 11:42 PM
always use anti-seize...and put those splitfire where they belong:in the garbage can.
bj
91/1735
ArcticZR1
03-06-2007, 11:43 PM
What's the best plugs?
blackjack
03-06-2007, 11:49 PM
you dont get any horsepower with a spark plug...stick with a reputable, good quality brand,such as denso,ngk or ac...ive had bad experience in the past with splitfire plugs,and i do not recommend them.
bj
ArcticZR1
03-06-2007, 11:51 PM
Come to think of it...I would blame the splitfire plugs for messing up my Mercruiser engine in my boat! They'll be in the trash soon!
guinnessdood
03-07-2007, 12:36 AM
NGK Iridium TR55IX...that's what I am running...recommended by Corey Henderson.:thumbsup:
jonszr1
03-07-2007, 01:30 AM
I agree with ully . just one note if you ngap them (45th for me) be very carefull as you dont want to damage that skinny little tip I use a gap ring and slide it till it just barely touches. and allways anti sieze
Peaven
03-07-2007, 11:45 AM
NGK Iridium TR55IX...that's what I am running...recommended by Corey Henderson.:thumbsup:

Same here, they work great.
evl_twn
03-07-2007, 12:51 PM
NGK TR55GP in mine.
Jeffvette
03-07-2007, 01:13 PM
NGK Iridium TR55IX...that's what I am running...recommended by Corey Henderson.:thumbsup:

It's what I recomended in post 2 :D
jonszr1
03-07-2007, 05:20 PM
THen it is unamous GET ThE NGk TIX55 :mrgreen:
Aurora40
03-07-2007, 06:04 PM
I believe if you talk about a specific plug, they are different for the '90-92 motors and the '93-95's. I'm pretty sure NGK has different plug types listed for each, though you can get them in the same heatrange and iridium for both, just a different number. I can't recall what the difference was, though, I wanna say one has a washer and one doesn't? Or one has a tapered seat and one doesn't? I can't recall...

On the antisieze, I've never done that to any car. Guess I better get some and pull the plugs out and apply it.
Peaven
03-07-2007, 06:38 PM
Or one has a tapered seat and one doesn't?

That's it, the ones for my `94 are tapered and the 90-92's are flat.
1990 quasar blue
03-07-2007, 07:18 PM
NGK Irridium here too. They work great but, I'm running the TR7IX per Marc Haibeck. I assume that the only difference is the heat range.
Aurora40
03-07-2007, 07:34 PM
NGK Irridium here too. They work great but, I'm running the TR7IX per Marc Haibeck. I assume that the only difference is the heat range.
That's what he recommended to me also. I looked up on the NGK site and found the early/flat seat equivalent is the BKR7EIX.

Both are two ranges colder than the plugs NGK recommends for our applications.

Did you simply overtighten the plugs to taper the seat on the head? I was leary of doing that and went with flat-seated replacements.
1990 quasar blue
03-07-2007, 07:38 PM
I ended up going with the over-torque method. So far so good it's just that the car hesitates a little when cold. After it runs for five minutes all is well.
A26B
04-01-2007, 05:12 PM
It's almost time for the beast's first spark plug and oil change. What plugs are you guys running, and is a little dab of anti-seize on the threads worth the bother?

Ditto anti-seize recommendations. Also, ALWAYS wait for the engine to cool completely down before removing the plugs. Aluminum has a high coefficient of thermal expansion, meaning that the thread clearance is much reduced (tighter) with the engine warm and greatly increases the liklihood of pulling threads when the plugs are removed, especially if no anti-seize is present.
zr-1assassin
04-12-2007, 09:48 PM
has anyone tried the #5 acdelco?
Z Factor
04-13-2007, 11:10 AM
It's almost time for the beast's first spark plug and oil change. What plugs are you guys running, and is a little dab of anti-seize on the threads worth the bother?

I have always used it being taught the old adage at an early age, "an ounce of prevention is worth a pound of cure". To me it is as automatic as gapping the plug so I don't think of it as a bother.

As to plugs I have NGK's in now and have had the OEM's without noticing a difference.

Mobil 1 filter and oil every 3k.:thumbsup:

:cheers:
blackjack
04-13-2007, 01:45 PM
just make sure the anti-seize does not go in the combustion chamber...leave a couple of threads clean,because anti-seize WILL cause pre-ignition..:thumbsdo:
bj
Aurora40
04-14-2007, 09:38 AM
has anyone tried the #5 acdelco?
Yup. For a good 50 miles at least. I noticed a fair bit of knock retard at WOT when scanning. I asked Marc about it and the first thing he said was to ditch the Rapidfires for some NGK Iridiums. That did reduce the amount of KR right off the bat.