Thread: Oscar Jackson Sr. on Spark Plugs
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Old 07-06-2009, 07:11 PM
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Quote:
Originally Posted by JoeF View Post
So we have Iridiums after all so I should just stay with mine or getting Denso really gives us 2hp? I am slow on the uptake with spark plugs so if someone can clear it up for me so I can decide to buy or stay

Thanks,

Joe
Joe,

It depends on the amount of miles you have on your spark plugs. Spark plugs do wear out over time. Also, there are flow gains to be had with the Denso plugs, as seen on our website. The cylinder head is cleaned up with the shorter IK22 plugs compared to the longer factory plugs.

We have proven on our dyno there is a small gain NA. This performance gain is more noticeable on a boosted car because high-quality spark is more important with boost.

The choice is really up to you.

-Oscar Jr.
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