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Evo X Performance General discussion for performance topics that are unique to the Evo X. IF THE TOPIC IS COMMON WITH OTHER LANCERS, PLEASE POST IT IN: '08+ Lancer Common.
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Old 05-18-2019, 02:10 AM   #11
MannyEvoX
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Quote:
Originally Posted by turismolover22 View Post
looking again at your video, the only things I can surmise is 1 of 3 scenarios


1 - wastegate flapper arm is binding internally in the turbo
2 - wastegate can is not opening enough, causing overboost (can't relieve pressure)
3 - wastegate preload is outrageously high, causing a reduction in arm travel


All 3 scenarios will require the WG/turbo to be removed. it needs to be looked at again.


You may get lucky if they can unbolt the front and rear mounts and pull the engine forward. You wont be able to do much work other than preload adjustments, but this way you can disconnect the wastegate arm end, and check to see if the fault lies within the turbo itself or with the wastegate position/preload. I believe BW states to set the gate up with approx. 2 turns after flush to get a good base preload. I'd have to look at the EFR paperwork I have on my other computer.


(Full race states 3 complete turns, each turn =1mm of movement)
Thank you for your help, yes he was able to take it off and it's number 2 - it won't open, so we're getting another one
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EFR 8374 + Build in progres. . .
ETS Intake
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Old 05-21-2019, 09:53 PM   #12
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Originally Posted by MannyEvoX View Post
Thank you for your help, yes he was able to take it off and it's number 2 - it won't open, so we're getting another one
Good to hear it is a problem with the can and not the turbo
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Old 05-29-2019, 07:14 PM   #13
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New problem guys, they replaced the Turbosmart and on Saturday I asked what's the latest. So he says I made 335whp @ 12psi but only 337whp @25psi. So he said the smoke test showed nothing so a boost leak test would be next. Then yesterday I asked for another updated and he said that one of his mechanics thinks it's the BOV leaking internally, he hasn't*found any leaks so before we go there he's going to see if the hfc (just bought a used hfc) is clogged. So I just texted him now to see what happened. Does anybody have any thoughts?
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EFR 8374 + Build in progres. . .
ETS Intake
AGP Dual Exhaust
MAP UICP
QTP Test Pipe (w/cut out)
Depo 4' IC
Grimmspeed EBCS
HKS BOV
Comp stage 3 clutch
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Old 05-30-2019, 02:00 PM   #14
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I'm fairly confident that unless he works miracles, you cannot make 335WHP on 12 PSI.

A 2.0L engine at 12 PSI is approximately 25 lbs/min of airflow. Typically a good tune would yield in the 10 HP per Lb/min range. That means you should be at ~250HP. Somehow he has squeezed an extra 85 HP (33%) out of it? If that is the case hows does mitsu only make 280 at the crank (~240 WHP) on ~20 psi?

Blow off leaking or not, 25psi is 25 psi, you are just working your turbo harder to make up for the lost volume due to the BOV leaking.
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Old 05-30-2019, 03:09 PM   #15
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Quote:
Originally Posted by DoubleClutch View Post
I'm fairly confident that unless he works miracles, you cannot make 335WHP on 12 PSI.

A 2.0L engine at 12 PSI is approximately 25 lbs/min of airflow. Typically a good tune would yield in the 10 HP per Lb/min range. That means you should be at ~250HP. Somehow he has squeezed an extra 85 HP (33%) out of it? If that is the case hows does mitsu only make 280 at the crank (~240 WHP) on ~20 psi?

Blow off leaking or not, 25psi is 25 psi, you are just working your turbo harder to make up for the lost volume due to the BOV leaking.
Are you referencing the stock turbo? I have a 62mm turbo, fully built car so the numbers seemed pretty good but not far fetched...imo
The 8374 has Max Flow Rate: 79 lb/min for reference
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EFR 8374 + Build in progres. . .
ETS Intake
AGP Dual Exhaust
MAP UICP
QTP Test Pipe (w/cut out)
Depo 4' IC
Grimmspeed EBCS
HKS BOV
Comp stage 3 clutch
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Old 05-30-2019, 03:13 PM   #16
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Quote:
Originally Posted by DoubleClutch View Post
I'm fairly confident that unless he works miracles, you cannot make 335WHP on 12 PSI.

A 2.0L engine at 12 PSI is approximately 25 lbs/min of airflow. Typically a good tune would yield in the 10 HP per Lb/min range. That means you should be at ~250HP. Somehow he has squeezed an extra 85 HP (33%) out of it? If that is the case hows does mitsu only make 280 at the crank (~240 WHP) on ~20 psi?

Blow off leaking or not, 25psi is 25 psi, you are just working your turbo harder to make up for the lost volume due to the BOV leaking.
From other cars (not evos) having the same turbo I've seen like 10psi make 370whp and 25psi make about 500whp. My tuner has a low reading mustang dyno so according to those references it sounds normal to me
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EFR 8374 + Build in progres. . .
ETS Intake
AGP Dual Exhaust
MAP UICP
QTP Test Pipe (w/cut out)
Depo 4' IC
Grimmspeed EBCS
HKS BOV
Comp stage 3 clutch
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Old 05-30-2019, 03:23 PM   #17
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Quote:
Originally Posted by DoubleClutch View Post
I'm fairly confident that unless he works miracles, you cannot make 335WHP on 12 PSI.

A 2.0L engine at 12 PSI is approximately 25 lbs/min of airflow. Typically a good tune would yield in the 10 HP per Lb/min range. That means you should be at ~250HP. Somehow he has squeezed an extra 85 HP (33%) out of it? If that is the case hows does mitsu only make 280 at the crank (~240 WHP) on ~20 psi?

Blow off leaking or not, 25psi is 25 psi, you are just working your turbo harder to make up for the lost volume due to the BOV leaking.
This is nonsense. He's not on stock turbo. I make 490whp on mustang dyno @21psi with a 9174. His turbo is just a little smaller.
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Old 05-30-2019, 06:42 PM   #18
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Tuner just sent me this pic
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EFR 8374 + Build in progres. . .
ETS Intake
AGP Dual Exhaust
MAP UICP
QTP Test Pipe (w/cut out)
Depo 4' IC
Grimmspeed EBCS
HKS BOV
Comp stage 3 clutch
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Old 05-31-2019, 05:58 AM   #19
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Originally Posted by MannyEvoX View Post
Tuner just sent me this pic
Is that a sub or an intake?

Either or it doesn’t look good

So he’s showing you how they messed up?
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Old 05-31-2019, 11:32 AM   #20
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Is that a sub or an intake?

Either or it doesn’t look good

So he’s showing you how they messed up?
It's the hfc (high flow cat) that I bought a few months ago from evo x sales on facebook
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EFR 8374 + Build in progres. . .
ETS Intake
AGP Dual Exhaust
MAP UICP
QTP Test Pipe (w/cut out)
Depo 4' IC
Grimmspeed EBCS
HKS BOV
Comp stage 3 clutch
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