what type of spark plugs . help
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this is a huge difference from .040 (dealer/repair book) and the .055, .060 (everyone runs on here) im not saying you guys are wrong because i know if your running them, theyre working, im just worried that the dealer is either being super conservative, or its the plugs they use that require the small gap.
They liked to be gapped about around .055, and 90% of them come that way (tr55 v-powers). When you start making more power, you'll need to close the gap a bit. I suggest you dab a bit of anti-sieze on the plugs before install, use some die-electric grease on them, and be VERY careful putting them in. They like to crack on these cars and it causes the upper RPM spark to break up causing backfires/popping/missing.
If you do decide to go with the IX's, you should not alter the factory gap on them, or any other iridium/platinum plug for that matter, as they are easy to damage.



