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Old 05-10-2008, 09:51 PM   #1 (permalink)
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Default pcm controlled boost

ok i was good to set the WG duty cylcle table to control the wg

but now when i increase the torque (and boost)

after 5500 the boost just goes crazy, does somebody as an idea

was working good at 15 psi and lower

when looking into my aero force i can see than i start gooing weird at around 35 lbs/min (equals to 264 G/sec)

and the WG chart stop at 245 G/sec i'm just wondering if that could be the cause of my problem


i tried lowering the torque value a bit around 5500 with no good effect

and increase the wg duty cycle a bit the couple last line above 5500...no effect
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Old 05-13-2008, 05:02 PM   #2 (permalink)
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yesterday the issue was almost solved

but today fuck my boost is way off...probably something with the temp..today is hot...like chick's (i love spring )
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Old 05-13-2008, 06:30 PM   #3 (permalink)
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Hey I am having a boost issue too. I am fine above 4500 RPM's but under 4500 the car doesn't want to run more then about 20 psi... Once I hit 4500 the car hit's 25 to 26 psi all the way to redline and the car pulls great!! It started doing this when I went from the big wheeled SSTV3 back to my E1... The car pulled harder before in the midrange, now not so much... Any ideas? I turned the desired torque up about 8% (it's in the mid 400's) from about 2400 to 4500ish and it hasn't had much effect still... It's killing me... Oh above 4500 desired torque is 380 something and ramps down to redline (don't have it in front of me right now)...

PS... it's the same tune I used before, but it's just not working the same. I am lost
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Old 05-13-2008, 07:05 PM   #4 (permalink)
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my issue was in the WG duty cycle table

i putted all the max valut to around 20 and everything seems to be good


i think before i was just passing in the wg table were number start to increase and probably because of the weater i was a bit higner on the table and woooaahh the boost was way off

this is what i did at first to set my Wg duty cycle
i lowerered max torque to around 280 to give me a boost setting lower than normal

after that i went for i ride...when i was way over ...it would spike like hell and then settle after 10 minutes

so i lowered the value again...so like the first time i would step on it would give me 15 psi...and after a while would stay at 12 psi

so i was i bit over

so lower again until i would start lower then 12 and the value would rise


you could maybe just pull the fuse to see what you psi would be before pcm compensate in the wg table


for now my value in the wg duty cycle table goes from 0 to around 21 in the top value

i just don't know how come i have to go that low but with that it give me a steady 20 psi ...just a small dip around 5k that i have to look into
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Old 05-13-2008, 07:46 PM   #5 (permalink)
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I am running the stage 2 wga... So the WGA table should be just right for it. That's why I am only playing with the desired torque table
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