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I have an Evo IX w/4000 miles. I have the following mods and plan to get custom flashed by Jestr on March 17. I hope to make some good power on 93oct.

UR Straight Pipe
UR Downpipe
UR Exhaust
K&N Drop in Filter
GSC S1 Cams
AMS LICP
Hallman MBC
ARP Headstuds
NGK Copper 1 Step Colder's
Walbro 255lph Fuel Pump
ACT Streetlite FlyWheel
Clutchmasters FX100 Clutch
AEM Wideband
BoostGauge

Is there anything else i need to run safely?
 

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Welcome to EVOtuners!

You have some nice, simple stg1 mods that are very useful on a IX. The only thing I wish you hadn't have gotten is the Clutchmasters clutch, but oh well. Hopefully, it will work well for you.

You're not missing anything, imo, but you should not have colder plugs. You should be using NGK BPR7ES (stock heat range) unless you run into problems with boost breaking up. If you are using NGK BPR8ES (1 range colder), then they should still work, but they will foul out sooner, because they work best when you're boosting hard. When you're cruising, they will wear out quickly.
 

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Discussion Starter · #3 ·
Whats wrong with the clutchmasters clutch? How long will it last me? I'll def get the NGK BPR7ES before the custom tune. The NGK BPR8ES (1 range colder) you have to changed them around every oil change right?
 

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Well, both sets I listed are copper plugs, so they will have to be changed fairly often. You don't have to change any plugs every oil change. You just have to change them when they foul out. That's why I keep several spare sets at all times so that I can change them on a moment's notice. If you prefer to do preventative maintenance by changing them at every oil change, then you can do that. The 7s should last longer than the 8s, but they still won't last more than 5-7k miles or so (usually).
 

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Discussion Starter · #5 ·
One more questions then i'm done. Would i need a boost tube with all the mods that i have? Or is the stock one fine? I heard the stock one streches after awhile.
 

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Discussion Starter · #7 ·
The Perrin Performance EVO boost tube is a direct replacement for the upper intercooler pipe, spanning from the throttle body to the cold side of the turbocharger. It adds performance and horsepower by increasing airflow to the motor and smoothing the path for increased velocity. The Perrin Performance upper boost tube maintains a constant inside diameter and ultra smooth interior surface and will work stock and all factory replacement blow off valves.
 

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Do NOT get the plugs Warr mentioned!

You have an EVO IX, and the plugs are totally different due to the re-designed head with MIVEC. Your going to need a much longer plug than the EVO VIII. I was surprixed when you said that you had new plugs from NGK with a colder heat range for your IX.... did you purchase plugs for an VIII and think they would fit, or has NGK started making different heat range plugs for the IX?

Keith
 
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