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7EIX iridium (NGK) Posted by vvack0matic [Email] ![]() ![]() In Reply to: Best plugs for turbo?, Bill S ![]() |
The iridium plugs are brand new on the market or well, brand new 6years ago, there made only for turbo motors the plug doesn't miss-fire when the air/fuel ratio is leaned out as when the motor goes under boost.
N/A cars can equip-them but wouldn't see any advantage, being the purpose of the plug is for firing in the lean air mix, NGK made a great write up on the iridium plugs might want to surf over to their website and search around for it, Saab didn't recommend using the iridium plugs because the plugs didn't exist when Saab was recommending plugs,. Back in the days 7es was the best plug one could find. But for real, how much more is a set of 4 iridium plugs against a new set of eis, or was it es its been so long since I bought the plugs in the bentley I don't even remember anymore
posted by 70.196.31...
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