How helpful is a tune with these mods?

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How helpful is a tune with these mods?

Postby jcbonenfant » Fri May 25, 2018 7:42 am

2008 NC PRHT with Stock CAI - RS Catted/Ceramic Header - RS Catted mid-pipe - RS Race Exhaust. I love the race single sound but kept the cats on the mid-pipe and header to keep volume levels at a reasonable level (plus my wife wouldn't go for rides if any louder :-( I've also decided to stick with a stock CAI for now because after viewing http://www.roadster.blog/2013/05/roadster-engines.html essentially shows that the NC has a cold air duct with similar placement to others offered on the market. So given all that - won't the existing ECU make acceptable, reasonable adjustment to AF ratio (I realize not perfect) and other minor adjustments on its own? Just trying to get my head around spending $750 for a dyno tune (Berg Racing - Miata Specialists - Webster, NY) and if it's really worth it. Thanks!
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Re: How helpful is a tune with these mods?

Postby Brian » Sat May 26, 2018 10:04 pm

Yes, fuel trims will adjust...but what you get is stock conservative tune and reflash will still add noticeable improvement.
Brian Goodwin
Good-Win Racing
www.good-win-racing.com
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