(I have searched for this problem but haven't found anything on it some topics have it in them but no solution's if you know of one could you link it if not here we go!)

Ok So I recently got a 05 Evo 8 These are the mod's it came with:
Normal intake(looks like it neds to be charged or replaced Woking on that)
HKS BOV (can't really tell is it's SSV) I'm pretty sure it is It's Non Reciprocating
Megan Racing Catback Exhaust
MBC( kinda crappy looking)

Car drives good no problem under normal condition's but when I brake boost or when I begin to get on it and get to higher RPM's like around 5000-6400 it start's to stutter and shake kinda bad I let the BOV relese pressure she stop's doing it then i can get back on it no problem. I can't tell how much Boost i'm doing b/c of this I think it's b/c it's not reciprocating and teh ECU does not know this so it get's lost in a sense but I don't have the equipment to tune her my self or the knowledge( looking to learn in the future). I'm also cautios about some of these tuning company's that have you mail in your CPu and have it tuned for like 100 dollar's. If any one could Give me some idea's on this problem or Solution's to fix it i would appricate it.

 

Boost leak test.
Get a tune.
Get a proper bov.
New plugs.

 

if you pick a vendor on here, reliability of your e-tune is the last thing you have to worry about. I have been tuning myself, what a rollercoaster of gains and losses, and a lot of learning. Something that needs to be taken with all of your attention and focus everytime you change something. Part of your problem is directly listed above me, the VTA BOV is not helping, the MBC probably isnt an issue. Basically you need a tune and the right BPV.

also for e tune on here you would need yoru own laptop and tuning materials, a copy of evo scan.

tactrix-80-200
wb02- <200
evo scan ~ 25.
e mail tune ~ 100-200
Or you could drive to your local tuner which probably averages about 500 for one tune..

 

Cool thak's for the reply's I got a question Are these guys any good http://www.dynoflash.com/index.htm Or should i ask it in Tuneing?

 

Where are you located? I'm sure someone on the forums can give you a good recommendation for somewhere local to you for a dyno tune.

 

Charleston SC