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 Post subject: ngk-Ridium plugs.
PostPosted: Thu Jul 26, 2012 3:45 pm 
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Joined: Wed Apr 04, 2012 11:02 pm
Posts: 162
Location: pittsbrugh
well i got a vaca thing coming up so i decided to do some lil things


oil change of course
new air filter :)
and i switch it up with buyin diff. ngk s-plugs and i never use them before
but they are GREAT!!they are way better then the basic ngk plug. i can tell a diffrence:)


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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Thu Jul 26, 2012 5:21 pm 
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Joined: Fri Feb 13, 2009 7:10 pm
Posts: 880
Location: Vancouver, WA
the only way spark plugs can make horsepower is if your old ones are worn to the point of not providing complete spark for adequete combustion. doesnt matter if they are iridium, copper, $17/plug laser platinum, multi electrode, etc.

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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Thu Jul 26, 2012 9:27 pm 
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Joined: Tue Jul 01, 2008 11:02 pm
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Location: North Florida
sweetnlow wrote:
they (ngk-Ridium plugs) are way better then the basic ngk plug. i can tell a diffrence:)


http://www.ngksparkplugs.com/products/s ... ridium.asp

Apparently NGK also "can tell a diffrence". Presumably they have test data to confirm it.

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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Thu Jul 26, 2012 10:36 pm 
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Joined: Fri Feb 13, 2009 7:10 pm
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Location: Vancouver, WA
I have a bridge for sale.....

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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Fri Jul 27, 2012 7:21 pm 
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Joined: Mon Dec 01, 2003 12:47 pm
Posts: 11669
Location: columbus, ohio
VR4 wrote:
I have a bridge for sale.....


i'm holding out for swamp land in arizona. :-P

what the iridium plugs are best at is dragging dollars out of your wallet and lasting longer than standard plugs in an oil burner.

the center electrode is really small and set into ceramic. the ceramic center insulator spalls off oil burned to a carbon cinder easier to keep the electrode clean.

any of the high performance g family engines i've built, turbo3 and twincam, have run better with ngk coppers or power groove plugs.

i do keep a set of the iridium plugs on my shelves in case i have to limp an oil burner along until i get around to fixing it. :wink:

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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Fri Jul 27, 2012 9:54 pm 
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Joined: Tue Jul 01, 2008 11:02 pm
Posts: 644
Location: North Florida
That is what it looked like....

VR4 wrote:
I have a bridge for sale..... the only way spark plugs can make horsepower is if your old ones are worn to the point of not providing complete spark for adequete combustion.


NGK may be the most respected spark plug maker, sneaking by Champion & Bosch. Want to read what the other makers say about iridium plugs? Or was all their research/data for naught?

Better Google Arizona swamps.

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1998 Chevy Metro 3 cylinder 5 speed 3 door hatch
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1998 Ford F-150 4X4 XLT
1992 Ford E-150 Club Wagon Chateau
1991 SAAB 900S 5 speed
1987 SAAB 900 Turbo SPG
1985 SAAB 900 Turbo SPG
1974 SAAB Sonett III
1971 SAAB 96 modified to 1980 specs
1966 SAAB 96
1960 SAAB 93F
1958 SAAB 93B
1964 Willys JEEP CJ-5
1954 Willys JEEP M-170 military ambulance
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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Sat Jul 28, 2012 1:34 pm 
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Joined: Fri Feb 13, 2009 7:10 pm
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Location: Vancouver, WA
The point of iridium is making them last. I don't know how many 100hp/cyl engines you've built but I've been thru a fair amount if them. I've tried all 4 major styles of spark plug. Coppers work best but have the shortest lifespan

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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Sat Jul 28, 2012 2:06 pm 
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Joined: Wed Aug 09, 2006 6:37 pm
Posts: 784
Location: Palmdale, Ca
My moms 05 RSX Type S HAS to have the OEM iridium plugs or it runs like crap. Even with other brand iridiums and ones that autozone or rockauto list for it made it run terrible. Only the OEM plugs work for that car.

I put NGK iridium plugs on my Sprint along with a MSD Blaster II coil and 8.5mm wires. It made a very noticeable difference in higher rpm smoothness and pull. Not sure if one of those things made the difference or if it was all three. But I do know that stronger more consistant spark will make an engine happy. And a happy engine makes more power. Maybe not seat of pants noticeable and maybe only 1/2hp on the dyno but better is better. Maybe you need the higher output coil and thicker wires for the iridium plugs to make a difference? Also the heat ranges have to be right for your engine. Iridiums may not come in the right heat range for your application. Then there's the plug gap. A few variables come into play here. So maybe they can work great for some while the oem copper plugs are the best match for others. If you don't try, you'll never know. Not too many people here run the exact setup so what worked for my t3 might not work best for t3's t3. My motor build is completely different now so the iridiums might not be the best choice for me anymore. I'll have to play around with plugs, gaps, and heat ranges to find the best match.

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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Sat Jul 28, 2012 4:27 pm 
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Joined: Wed Apr 04, 2012 11:02 pm
Posts: 162
Location: pittsbrugh
okayyy soo with all this chater bout them did i was my money on the name or should i just kept my reg.ngk plugs???

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 Post subject: Re: ngk-Ridium plugs.
PostPosted: Tue Aug 14, 2012 12:10 pm 
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Joined: Tue Jul 01, 2008 11:02 pm
Posts: 644
Location: North Florida
Looks like you "should" proof read before submitting post.

sweetnlow wrote:
okayyy soo with all this chater bout them did i was my money on the name or should i just kept my reg.ngk plugs???


Do what you like as far as spark plugs go. You said the iridium plugs "are GREAT!!" & you "can tell a difference" - presumably a positive "difference".

Suspect; performance gain is small, gain in service life is more substantial & benefit in special situations mentioned significant.

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2000 Chevy Metro 3 cylinder 5 speed 3 door hatch
1998 Chevy Metro 3 cylinder 5 speed 3 door hatch
1998 Chevy Lumina APV
1998 Ford F-150 4X4 XLT
1992 Ford E-150 Club Wagon Chateau
1991 SAAB 900S 5 speed
1987 SAAB 900 Turbo SPG
1985 SAAB 900 Turbo SPG
1974 SAAB Sonett III
1971 SAAB 96 modified to 1980 specs
1966 SAAB 96
1960 SAAB 93F
1958 SAAB 93B
1964 Willys JEEP CJ-5
1954 Willys JEEP M-170 military ambulance
1953 Grumman Kurbside step van


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