Iridium plugs
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Registered User
Joined: Feb 2008
Posts: 47
From: Baton Rouge, La.
Rep Power: 20
Iridium plugs
Since some of our 997's are reaching the 4yr/40,000mi sparkplug change interval recommended by the manual, anybody have any info about using iridium plugs vs platinums?
Consider:
--cost for 6 plugs not the issue
--3.6/3.8l naturally aspirated, no mods, factory stock engine
--DD, not track car (although I want my DD to perform well, of course).
Thanks
Edit: Oops. My mistake. Interval is 60,000mi, not 40,000mi
Consider:
--cost for 6 plugs not the issue
--3.6/3.8l naturally aspirated, no mods, factory stock engine
--DD, not track car (although I want my DD to perform well, of course).
Thanks
Edit: Oops. My mistake. Interval is 60,000mi, not 40,000mi
Last edited by BlueJay73; Jan 8, 2010 at 11:16 AM.
Registered User
Joined: Aug 2004
Posts: 2,134
From: Chicagoland
Rep Power: 123
ALL plugs, properly gapped will perform the same. 1 ground or 4 ground will all perform the same. Because of unleaded fuel, all plugs will last 50,000+ miles in a stock engine.
REPEAT. All properly gapped plugs will perform the same no matter how much they cost.
Therefore, pick your favorite brand and go with price. I get my 6 NGK's for less than $25.
REPEAT. All properly gapped plugs will perform the same no matter how much they cost.
Therefore, pick your favorite brand and go with price. I get my 6 NGK's for less than $25.
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