Last season i went with Iridiums 1 heat range cooler then stock plugs, Im wondering now if I should go a heat range hotter now since im running water injection and the EGTs are lower because of it. Would there be a benefit to having the hotter plugs in the engine?
Not really. If you pull the plugs on a regular basis (I pull mine after every tankfull) and they look clean (with the water/meth they should be squeaky) don't sweat it. It's still a good precaution against detionation.
Jon.
Why don't you come over to MySpace and Twitter my Yahoo untill I Google all over your Facebook.
1990 GTR Drag Special T88H34D 11.24 @ 127.55mph at only 1.2bar...... officially.
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