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- Sr. Member
- Posts: 258
- Ecobooster
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- Location: NC
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Changed my plugs today... went to SP534 @30 gap like recommended here all the time.
These are my original platinum plugs with 42k miles
This one happens to be front driver side.
3 of em look identical to this and on the other 3 the white line on the ground strap (timing mark?) is up closer to the curve, not down it like this one.
LMS 4+ tune since 19k miles, never experienced any blowout or misfire.

2011 SHO - Tux Blk/blk int, 402B, acc, nav, multicontour, 20s. LMS 4X MyCal, 3bar MAP, K&N Typhoon, 170* t-stat, SP534's @ 30, Stainless Works catless DPs, Corsa catback, H&R sports, 5/16 front-7/16 rear spacer, 255/35 Hankook V12s, Lamin-X/PlastiDip
2004 Mustang GT - Comp Orange, Boss block/3.80 stroker 327", Foxlake TFS', Hellion turbo, blah blah