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Old 03-30-2005, 03:23 PM   #1
RicouGT
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Member#: 55800
Join Date: Feb 2004
Default trouble with BC sbcid3 and td05/06-20G

hi !
i'm frensh and i've a classic impreza 2.0turbo with many mods including a td05/06-20G and a boost controller blitz sbcid3 (and 550 injectors, remap....).

this turbo can make a flow very important (as a td06-20g approximately) and i think i've some trouble with the BC...i can't up to 1.25b without the BC don't work fine (i've boost cut very important in fact)...i've setting a set of 69 for 1.25b (15 for gain). I ask me if the flow isn't to high for the BC, and if i should put a restrictor into the turbo-soleno inlet, to make down the set at, for example, 50 or 55...what do you think about that ?

excuse me for my very bad english...but there's not many people in france who have this BC.....
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Old 03-30-2005, 07:04 PM   #2
pux888
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Chapter/Region: MAIC
Vehicle:
02 STi swap
12 WRX limited

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i have the sbc id 3 and a a tdoh6-20 and had to go w/ an external wastegate to really control boost. mine didnt want to run anything less than 18-22lbs of boost, even w/ the controler off.
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Old 03-31-2005, 12:40 PM   #3
RicouGT
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in fact, the boost cutting wasn't made by the boost controller (i've a trouble with my maf....)
but the blitz doesn't want to work great when i want to up the boost pressure (1.35b for example) : the boost "pump" very hardly between 1.1b and 1.35...so i thunk the air flow was too high when the BC drive the waste gate (0.6b....)
i test with a restrictor into the inlet turbo-solenoid (1mm)..it's good ! i don't have any "pumping", the pressure is constant..after driving a lot, at start, it wasn't constant...so i've many question about the sbcid3 : i feel even in manual mode, the BC must learn ? is it right ? is someone already have to put a restrictor with a very big turbo and a blitz bc ?
i've less boost in 1/2/3 than 4/5 (1.1/1.12/1.15.1.17/1.20), is it normal ? (with 58 set and 10 gain)

thank to help me..i don't know what i've to think about this boost controller...
i would like to have a constant boost between al gear by al wheather...and i don't know if i make the good choice in fact (with an avcr, is it would be better ?)
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Old 03-31-2005, 12:44 PM   #4
WRXout
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Location: Houston, on highway 6
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2005 WRX STI FTI 20G
ASPEN WHITE

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are you sure the injectors can hold that turbo? i awlays thought peopel got 720cc
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Old 03-31-2005, 01:10 PM   #5
RicouGT
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at 1.25b, idc= 82% (afr=10.8)
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Old 03-31-2005, 03:05 PM   #6
RicouGT
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can someone confirm me the turbo hose is connect to "in" entry of solenoid and the "out" to the waste gate (internal)

i've seen different things on the site, and i would like be sure about that....thanks !!
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