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How many Psi's should my car be around with current mods

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Old Mar 16, 2011 | 09:21 AM
  #16  
LiQuIdCrAzN's Avatar
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with full bolt-ons, my 08 X was boost 19 lbs tapering to 15 before tune... after tune i'm boosting peak 26 tapering to 23 =)
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Old Mar 16, 2011 | 10:29 AM
  #17  
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From: New Jersey
Originally Posted by JDMCT9MR
I was so happy finally getting another Evo and it's not performing like I hoped. I just dont understand why some people feel the need to come into someones thread and try be a bunch of turds.
Look, some people are Dbags, but you really didn't seem to read the posts that weren't. People are telling you that you have a problem, probably a boost leak, maybe your car wasn't tuned right by its previous owner ( I don't remember from the OP if it was used) But rather than feeding the trolls, you probably should take some time and go talk to a tuner about the issue, because those are not normal boost levels, especially with mods.
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Old Mar 16, 2011 | 10:32 AM
  #18  
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From: New Jersey
Originally Posted by LiQuIdCrAzN
with full bolt-ons, my 08 X was boost 19 lbs tapering to 15 before tune... after tune i'm boosting peak 26 tapering to 23 =)
That is also very odd, stock boost is around 20, and with full bolt ons and no tune, your car should have been overboosting because of the free flowing environment, not underboosting by 1 or 2 PSI. Though your tune seems to have fixed that, since 26 is about what you should be at with full bolts and a "safe" tune.
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Old Mar 16, 2011 | 07:39 PM
  #19  
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Originally Posted by KJ82
Go to a reputable shop, get your car boost leak tested, and please, I repeat PLEASE, do yourself a HUGE favor and don't mess with the boost...! Leave that to a knowledgeable tuner. Meaning behind that is, get a tune. Modding your Evo X will noticeably throw off your engine's performance due to not being properly tuned.
I'm having my mechanic have a look over all the vacuum lines to make sure it is all hooked up correctly. I'm not even going to mess with turning up the boost till figure out what is going on.

Originally Posted by blk-majik
chill out guys. this forum has a pretty active NA lancer section and a lot of guys start there.

Check your wastegate. specifically, check that the actuator is threaded correctly. sounds like you'r running off spring pressure. your boost gauge could also just be broke. get a tactrix and log to see what your ecu's seeing for boost, then check wgdc.
Thanks man. My mechanic has about 15 years experience building race cars and such. Just want to get it running properly that's all. One thing at a time right?

Originally Posted by sharkm87
take whats said with a grain of salt....we buss chops n sti's....nothing new over here
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Old Mar 16, 2011 | 07:43 PM
  #20  
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Originally Posted by Jookies
Look, some people are Dbags, but you really didn't seem to read the posts that weren't. People are telling you that you have a problem, probably a boost leak, maybe your car wasn't tuned right by its previous owner ( I don't remember from the OP if it was used) But rather than feeding the trolls, you probably should take some time and go talk to a tuner about the issue, because those are not normal boost levels, especially with mods.
I know I shouldn't get too pissed about people being idiots but I was just looking for help and some of the responses were just un-called for but what ever. I know the previous owner had a tune and he also had a HKS actuator on the car. I noticed today that the nut on the factory actuator was loose so black magik may have a great point about it being out of whack.

I do really appreciate those who are trying to help. Thanks for the advice!
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Old Mar 17, 2011 | 05:42 AM
  #21  
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Originally Posted by Jookies
....That is dangerously high for a stage 1 tune. I Dont know about the Perrin stage 1, but cobb stage 1 target boost is 24... Get that checked immediately.

Unless you have manually altered something in it to account for that.

No, it's not altered- that's just the tune. Cobb stg 1 hits 23.9. Perrin is sketchy, a lot of tuners told me their tune sucks and is dangerous for an OTS map and say Cobb OTS is the way to go.
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Old Mar 17, 2011 | 07:00 AM
  #22  
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From: FLorida
You're using 91 octane right? Also are you logging the car or just going off a boost gauge? Not all gauges are 100% accurate.
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Old Mar 18, 2011 | 12:33 AM
  #23  
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Originally Posted by XstormtrooperX
No, it's not altered- that's just the tune. Cobb stg 1 hits 23.9. Perrin is sketchy, a lot of tuners told me their tune sucks and is dangerous for an OTS map and say Cobb OTS is the way to go.
I figured out what my issue was. I forgot to take the boost pill out of the old hose and did not stick it into the new one. My buddy helped me out and now the car is boosting normally. I'm calling church automotive today to make an appointment to get my car tuned. It's boosting around 24-26 psi right now. Just glad I figured it out. Thanks again to all who tried to help me out!
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