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Stock Spark Plugs - heat range?

^^^ I'm really just speculating. My old 11.5:1 2ZZ took IK20's -- although, it only made about 180 at the crank. I can only assume the 24's clean up under

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Stock Spark Plugs - heat range?

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06-28-2010, 04:12 AM	#7 (permalink)
Jordo! A True Z Fanatic Join Date: May 2010 Location: nirvana Posts: 6,394 Drives: 2023 NATM Rep Power: 420	^^^ I'm really just speculating. My old 11.5:1 2ZZ took IK20's -- although, it only made about 180 at the crank. I can only assume the 24's clean up under load -- irridiums have a pretty wide range they operate well under, don't they? You're proably right about it being tuned to run relatively lean at low load (and maybe even during cold enrichment) -- I think this motor is considered ULEV. __________________ Enjoy it. Destroy it. Last edited by Jordo!; 06-28-2010 at 04:15 AM.

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