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Oct 13, 2008, 05:01 PM
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#1
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Evolving Member
Personal Sales Rating: ( 3)
Join Date: Apr 2008
Location: Miami
Posts: 350
Drives: Evolution X
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Why am i the only one with this problem :(
I have a boost problem were it goes only up to 19 lbs no matter wat mbc it tapers really fast, my current mbc is FORGE UNOS , i have it running just like the instructions , one going to the inlet/outlet tube and the other to the westgate actuator like most are doing it, i used new vacummm hoses to prevent any hidden stock solenoids, wen i turned the mbc it was like this
1- turn - 13psi
2- turns- 18psi
3- turns- 19psi
4-10 turns 19 psis
Like it can go lower than that but no higher, i had a different mbc before(turbo xs standard) and it was the same exact thing.
Please help me with any tips or pictures that you may have or if you ever ran into this error tell me how you fixed it, thanks.
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Oct 13, 2008, 05:05 PM
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#2
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Join Date: Apr 2008
Location: フロリダ州
Posts: 861
Drives: OB X, SSS
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i had that problem with the perrin mbc, try switching the way you have the hoses connected
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Engine: ETS Front Mount, ETS Upper IP, ETS Lower IP, AMS Intake System, GFB Bov, Forge MBC @ 23lbs, Forge wastegate actuator, Prosport Boost Gauge
Exhaust: Ultimate Racing Downpipe, Ultimate Racing Resonated Test Pipe, ETS Dual Exhaust, AEM Uego
Suspension: BC Adjustable Coilovers
Misc: Volk CE28N (Flat Black), RA Mud Flaps, ACT 6 Puck Clutch, ACT StreetLight Flywheel, 3% Tint
XtremeBoost
Darkside Engineering
www.tracktalk.net
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Oct 13, 2008, 05:06 PM
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#3
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Evolving Member
Personal Sales Rating: ( 3)
Join Date: Apr 2008
Location: Miami
Posts: 350
Drives: Evolution X
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well i did it exactly as it said in the instruction booklet but its never worth a try, ill go do it right now and come back with the results.
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Oct 13, 2008, 05:47 PM
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#4
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Evolving Member
Personal Sales Rating: ( 3)
Join Date: Apr 2008
Location: Miami
Posts: 350
Drives: Evolution X
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tried it, but now its 1st gear - 15psi no taper, 2ne gear 15 psi no taper, 3rd 12 psis no taper, why would it go down in third, its late so i will try it tommorow again,
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Oct 13, 2008, 05:51 PM
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#5
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when u say "turn" is that a full rotation or clicks?
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Oct 13, 2008, 06:07 PM
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#6
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Evolving Member
Personal Sales Rating: ( 3)
Join Date: Apr 2008
Location: Miami
Posts: 350
Drives: Evolution X
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full rotation, which is about 5 clicks.
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Oct 13, 2008, 06:20 PM
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#7
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Evolved Member
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Join Date: Apr 2008
Location: フロリダ州
Posts: 861
Drives: OB X, SSS
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wow idk i have the same one i think and mine works fine!?!?!?!
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Engine: ETS Front Mount, ETS Upper IP, ETS Lower IP, AMS Intake System, GFB Bov, Forge MBC @ 23lbs, Forge wastegate actuator, Prosport Boost Gauge
Exhaust: Ultimate Racing Downpipe, Ultimate Racing Resonated Test Pipe, ETS Dual Exhaust, AEM Uego
Suspension: BC Adjustable Coilovers
Misc: Volk CE28N (Flat Black), RA Mud Flaps, ACT 6 Puck Clutch, ACT StreetLight Flywheel, 3% Tint
XtremeBoost
Darkside Engineering
www.tracktalk.net
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Oct 13, 2008, 06:40 PM
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#8
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Evolving Member
Personal Sales Rating: ( 3)
Join Date: Apr 2008
Location: Miami
Posts: 350
Drives: Evolution X
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can you take a picture of how you have it set up please.
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Looking for sponsors for HIN miami (Hot Import Nights ,The action takes place 5pm - MIDNIGHT, December 20, 2008 at Miami Beach Convention Center. )
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Oct 13, 2008, 08:42 PM
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#9
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Evolving Member
Personal Sales Rating: ( 9)
Join Date: Aug 2005
Location: Plumas Lake
Posts: 126
Drives: 08 GG X
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Dude just tighten your wastegate 3 full turns prob solved. take off the mbc
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Oct 14, 2008, 04:23 AM
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#10
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Evolving Member
Personal Sales Rating: ( 4)
Join Date: Jun 2008
Location: Mud Hole
Posts: 213
Drives: 2008 Lancer, 1999 Eclispe Spyder
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check your spring. i have a hallman MBC and it came with 2 springs. i couldn't get one spring to go about 20psi the spring just wasn't stiff enough to hold it closed. so i put a new stiffer spring in it and it works like a charm.
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2008 lancer
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Oct 14, 2008, 07:05 AM
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#11
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Location: South Carolina
Posts: 2,201
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Disconnect the vac house from the wastegate completly and then go see what you boost. If you do not boost more than 19psi this way then you have a problem with something else, ie bad wastegate, wastegate to loose, boost leak, turbo problem or your gauge is wrong.
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Oct 14, 2008, 09:11 AM
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#12
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Location: North San Diego
Posts: 1,852
Drives: HBSpeed Tuned X GSR | STi
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do you still have the forge wga installed? if so take that off and see how much you boost
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