07-23-2013, 02:05 PM
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Senior Member
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Join Date: Feb 2012
Location: Ft. Washington, MD
Posts: 446
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Boost Leak
Hey I have experienced a boost leak in my RA my car is suppost to make 23psi of boost and on yesterday it only put out 20.3psi. Where are common areas that a boost leak may occure in the RA's.
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09 Ralliart=256whp & 290wtq
Current Mods
Injen SRI, UR UICP & LICP, UR 4.5 IC, COBB AP custome stg 2 tune, 3in TBE, Whiteline front strut bar, RRM rear strut bar, tint, roof spoiler, 2.5 turbo compressor outlet pipe, AMS BOV, AMS Boost Pill, TWE Catch Can, Megan Racing Coil Overs
Future Engine and Tranny Mods:
Water Meth Kit
SSP Oil Cooler
Fan for Stock Trans Cooler w/ washable filter
Future Suspension Mods:
Sway Bars
Rear Diff Bushing Kit
Cusco 4 or 5 pt Brace
Front Cross Member
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07-24-2013, 12:01 PM
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Member
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Join Date: Oct 2011
Posts: 70
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From your mod list you've replaced most of the piping and the BOV/BPV. I'd just start checking your hose clamps. If you spray each junction with starter fluid when the car is running you should notice a change in RPM if there's a leak.
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07-25-2013, 10:45 PM
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Senior Member
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Join Date: Feb 2012
Location: Ft. Washington, MD
Posts: 446
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Quote:
Originally Posted by Splattj
From your mod list you've replaced most of the piping and the BOV/BPV. I'd just start checking your hose clamps. If you spray each junction with starter fluid when the car is running you should notice a change in RPM if there's a leak.
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nice thanks didnt know that worked for turbo cars I use to do that with my n/a cars but again thanks will do.
__________________
09 Ralliart=256whp & 290wtq
Current Mods
Injen SRI, UR UICP & LICP, UR 4.5 IC, COBB AP custome stg 2 tune, 3in TBE, Whiteline front strut bar, RRM rear strut bar, tint, roof spoiler, 2.5 turbo compressor outlet pipe, AMS BOV, AMS Boost Pill, TWE Catch Can, Megan Racing Coil Overs
Future Engine and Tranny Mods:
Water Meth Kit
SSP Oil Cooler
Fan for Stock Trans Cooler w/ washable filter
Future Suspension Mods:
Sway Bars
Rear Diff Bushing Kit
Cusco 4 or 5 pt Brace
Front Cross Member
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08-19-2013, 02:27 PM
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Senior Member
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Join Date: Feb 2012
Location: Ft. Washington, MD
Posts: 446
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I have cheched the piping what carb cleaner and the idle stayed at 633 RPM's the entire time has anyone used a Boost Leak tester I found one on this site
http://www.turboboostleaktesters.com...LIART-X/Detail
And does anyone know if our turbo's shafts are known to go bad and or have waist gate problems?
__________________
09 Ralliart=256whp & 290wtq
Current Mods
Injen SRI, UR UICP & LICP, UR 4.5 IC, COBB AP custome stg 2 tune, 3in TBE, Whiteline front strut bar, RRM rear strut bar, tint, roof spoiler, 2.5 turbo compressor outlet pipe, AMS BOV, AMS Boost Pill, TWE Catch Can, Megan Racing Coil Overs
Future Engine and Tranny Mods:
Water Meth Kit
SSP Oil Cooler
Fan for Stock Trans Cooler w/ washable filter
Future Suspension Mods:
Sway Bars
Rear Diff Bushing Kit
Cusco 4 or 5 pt Brace
Front Cross Member
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08-23-2013, 12:23 PM
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Member
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Join Date: Oct 2011
Posts: 70
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The turbos on our car are known to be pretty reliable. 23psi is at the upper limit of what they can do. Since you're obviously tuned, were you actually making 23psi or is that what the boost control is set to? Was it cold when you were making 23psi?
If you want a boost leak tester, just make one from home depot parts:
http://forums.evolutionm.net/evo-how...er-5-02-a.html
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08-23-2013, 12:48 PM
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Moderator
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Join Date: Sep 2010
Posts: 725
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I would definitely make your own. Pretty simple and cheap. The reason the starter fluid doesn't work is that it is a boost leak, not a vacuum leak, and the two rarely coincide. It is a lot easier to leak boost through a coupler than it is vacuum. Pressure tester and a good ear is the way to go.
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08-24-2013, 02:48 PM
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Join Date: Jan 2012
Location: Winnipeg
Posts: 720
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could be the clamps on some of the piping. I am running 27 psi and no issues.
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08-25-2013, 08:40 PM
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Senior Member
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Join Date: Feb 2012
Location: Ft. Washington, MD
Posts: 446
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Quote:
Originally Posted by Splattj
The turbos on our car are known to be pretty reliable. 23psi is at the upper limit of what they can do. Since you're obviously tuned, were you actually making 23psi or is that what the boost control is set to? Was it cold when you were making 23psi?
If you want a boost leak tester, just make one from home depot parts:
http://forums.evolutionm.net/evo-how...er-5-02-a.html
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hey and sorry for the delay I got my car tuned last spring in May the temp was around 85 degrees, my car was putting out a consistent 23.3 psi of boost, even when it was damn near 100 degrees I have never checked the boost when it was cold.
__________________
09 Ralliart=256whp & 290wtq
Current Mods
Injen SRI, UR UICP & LICP, UR 4.5 IC, COBB AP custome stg 2 tune, 3in TBE, Whiteline front strut bar, RRM rear strut bar, tint, roof spoiler, 2.5 turbo compressor outlet pipe, AMS BOV, AMS Boost Pill, TWE Catch Can, Megan Racing Coil Overs
Future Engine and Tranny Mods:
Water Meth Kit
SSP Oil Cooler
Fan for Stock Trans Cooler w/ washable filter
Future Suspension Mods:
Sway Bars
Rear Diff Bushing Kit
Cusco 4 or 5 pt Brace
Front Cross Member
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08-25-2013, 08:45 PM
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Senior Member
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Join Date: Feb 2012
Location: Ft. Washington, MD
Posts: 446
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Quote:
Originally Posted by Drew
I would definitely make your own. Pretty simple and cheap. The reason the starter fluid doesn't work is that it is a boost leak, not a vacuum leak, and the two rarely coincide. It is a lot easier to leak boost through a coupler than it is vacuum. Pressure tester and a good ear is the way to go.
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Thanks and completely understood.
__________________
09 Ralliart=256whp & 290wtq
Current Mods
Injen SRI, UR UICP & LICP, UR 4.5 IC, COBB AP custome stg 2 tune, 3in TBE, Whiteline front strut bar, RRM rear strut bar, tint, roof spoiler, 2.5 turbo compressor outlet pipe, AMS BOV, AMS Boost Pill, TWE Catch Can, Megan Racing Coil Overs
Future Engine and Tranny Mods:
Water Meth Kit
SSP Oil Cooler
Fan for Stock Trans Cooler w/ washable filter
Future Suspension Mods:
Sway Bars
Rear Diff Bushing Kit
Cusco 4 or 5 pt Brace
Front Cross Member
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08-25-2013, 09:20 PM
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Senior Member
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Join Date: Feb 2012
Location: Ft. Washington, MD
Posts: 446
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Quote:
Originally Posted by crak
could be the clamps on some of the piping. I am running 27 psi and no issues.
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yeah prayfully thats all it is and darn your running 27 how much power are you putting to the wheels?
__________________
09 Ralliart=256whp & 290wtq
Current Mods
Injen SRI, UR UICP & LICP, UR 4.5 IC, COBB AP custome stg 2 tune, 3in TBE, Whiteline front strut bar, RRM rear strut bar, tint, roof spoiler, 2.5 turbo compressor outlet pipe, AMS BOV, AMS Boost Pill, TWE Catch Can, Megan Racing Coil Overs
Future Engine and Tranny Mods:
Water Meth Kit
SSP Oil Cooler
Fan for Stock Trans Cooler w/ washable filter
Future Suspension Mods:
Sway Bars
Rear Diff Bushing Kit
Cusco 4 or 5 pt Brace
Front Cross Member
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