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Hi guys. I got some new Denso Iridium plugs part # ITV20 for my '07 MS3 and can't find any info on what a good gap setting would be. I have a catted CP-E downpipe, CP-E Nano intake and an HKS BPV so far. I'm going with some more go fast goodies down the road along with a CP-E Standback and may go with a colder plug then but I thought the ITV20's would be better for less chance of plugs fouling at this parts level. Denso's site says gap at .045" but I thought this sounded a bit much on a boosted car. Any info would be greatly appreciated!
Also should these be worth much horsepower gain over the factory plug? I've seen impressive results on boosted V8 cars and also had a decent seat of the pants in my N/A Stang so I'm hoping for a nice little gain on my MS3. Thanks!
Also should these be worth much horsepower gain over the factory plug? I've seen impressive results on boosted V8 cars and also had a decent seat of the pants in my N/A Stang so I'm hoping for a nice little gain on my MS3. Thanks!