ridium: 8 times stronger than platinum, 6 times harder, and with a melting point 1200 degrees higher. New laser welding techniques make it possible to make a spark plug with an iridium electrode. The result is a plug that requires less voltage to spark, burns more of the fuel in the cylinder, and can spark at LEANER air/fuel mixtures (see inset diagram), resulting in higher horsepower and better gas mileage.
Although the plugs are expensive, you don't have to change them as often as garden variety spark plugs. The iridium electrode is extremely resistant to erosion, so it can last MUCH longer than a normal plug. (Longevity will vary by usage, fuel mixture, and other factors.)
It's the ultimate spark plug. Available in stock heat range, or one range colder for high boost (18+ psi) race applications.
Author
tamashi523 VIP Member
Registered: April 2004 Location: fairfield/foster city Posts: 2711
Review Date: Fri January 5, 2007
Would you recommend the product? Yes |
Price you paid?: $50.00
| Rating: 10
Pros:
hey I get better gas mileage
Cons:
none so far
these are great I have the 1 step colder for my car and I get better performance for my car I know because my previous sparkplugs sucked and when I put these on my butt dyno actually felt a difference now that is saying a lot...Plus no need to gap the plugs since it comes pre-gapped
Mr2Slow Registered User
Registered: June 2006 Location: The Field Posts: 188
Review Date: Tue February 13, 2007
Would you recommend the product? Yes |
Price you paid?: None indicated
| Rating: 0
Pros:
Cons:
I like them too.
except when i have to buy them
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