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Old Apr 14, 2008, 07:30 AM
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Anj- we bypassed my EBC solenoid with a Hallman mbc. Same issue was occuring. My main focus will be on the WGA.

It's just weird that the car held for as many pulls as it did... me confused>

If the wga is the issue, I have the stock one from my original VIII turbo which I know is still a good part.
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Old Apr 14, 2008, 07:36 AM
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Originally Posted by 1slowevo
did some research on DSG's dyno vs other dynodynamics and they are right in line.
Seems to read 13.5-18% lower than Dynojet. Crazy!!
I think I might go to ICS and see the Bro's. lol
NOT!!
Yeah they are one of the typical low reading Dyno Dyamics dynos. From what I've seen, it is another 15-16% to get to Dynojet numbers.
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Old Apr 14, 2008, 07:38 AM
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Originally Posted by anjapower
Tim, I have a forge MBC that you can try out if you want. I'll sell it to you for 20 bux since I already owe you for the clutch line.
it's definitely not something that an MBC will fix. DSG tried that and it was still happening. it's either the WG actuator itself or a boost leak.
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Old Apr 14, 2008, 07:40 AM
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Originally Posted by IMR-TIM
Anj- we bypassed my EBC solenoid with a Hallman mbc. Same issue was occuring. My main focus will be on the WGA.

It's just weird that the car held for as many pulls as it did... me confused>

If the wga is the issue, I have the stock one from my original VIII turbo which I know is still a good part.
did you say this happened on your stock turbo as well? if not, i'd just swap the actuators and see what happens. the more i think about it, the more i think it must be the WGA.
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Old Apr 14, 2008, 07:40 AM
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Originally Posted by IMR-TIM
Anj- we bypassed my EBC solenoid with a Hallman mbc. Same issue was occuring. My main focus will be on the WGA.

It's just weird that the car held for as many pulls as it did... me confused>

If the wga is the issue, I have the stock one from my original VIII turbo which I know is still a good part.
what wga are your running? stock wga FTW on pump gas!!
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Old Apr 14, 2008, 07:41 AM
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Originally Posted by crazymikie
did you say this happened on your stock turbo as well? if not, i'd just swap the actuators and see what happens. the more i think about it, the more i think it must be the WGA.
def wga, boost leak will not be intermittent.
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Old Apr 14, 2008, 07:42 AM
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Originally Posted by crazymikie
it's definitely not something that an MBC will fix. DSG tried that and it was still happening. it's either the WG actuator itself or a boost leak.
+1
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Old Apr 14, 2008, 07:46 AM
  #11048  
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Marshall we need to fix that boost taper.
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Old Apr 14, 2008, 07:49 AM
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Originally Posted by anjapower
def wga, boost leak will not be intermittent.
you'd be surprised. vac leaks suck. i've seen leaking blow off valves, leaking vacuum t connectors, leaking silicone couplers. sometimes, it's just enough pressure to get something to leak and it won't happen all the time.
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Old Apr 14, 2008, 07:56 AM
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Originally Posted by crazymikie
you'd be surprised. vac leaks suck. i've seen leaking blow off valves, leaking vacuum t connectors, leaking silicone couplers. sometimes, it's just enough pressure to get something to leak and it won't happen all the time.
I suppose, but it just seems that it would be an awful big leak for it to drop 8 psi. I had a boost leak that I couldn't notice on the boost gauge but it definitely was audible - and my car is not quiet either.

I would contend that you should be able to hear a boost leak that big...
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Old Apr 14, 2008, 08:04 AM
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Originally Posted by anjapower
I suppose, but it just seems that it would be an awful big leak for it to drop 8 psi. I had a boost leak that I couldn't notice on the boost gauge but it definitely was audible - and my car is not quiet either.

I would contend that you should be able to hear a boost leak that big...
like mikie said, you would be surprised what can happen with such a varying level of pressure in such a complex environment.
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Old Apr 14, 2008, 08:11 AM
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so, i think my car feels slower? its really hard to gauge by my butt dyno.. but for some reason it doesn't seem to have the same top end.

i got like 500rpm + in spoolup. the only way i'll know for sure is to take it to the track

edit: i also got my sticker today (THANKS FOR THE HELP THIS WEEKEND DAVE!!!)

the Lithuanians didn't even look at my car they just said "hey give me your registration - i give you sticker right now" wicked nice guys.

Last edited by EvoBroMA; Apr 14, 2008 at 08:19 AM.
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Old Apr 14, 2008, 08:12 AM
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Originally Posted by anjapower
what wga are your running? stock wga FTW on pump gas!!
yes stock wga and all pump gas

Originally Posted by crazymikie
did you say this happened on your stock turbo as well? if not, i'd just swap the actuators and see what happens. the more i think about it, the more i think it must be the WGA.
This did not ever happen on my stock VIII turbo. Since I had put my 6.5 TME one in, I have thrown 4 CEL with codes that lead to wastegate. I can get the exact code # but that is what the scan tool read. The wga is the starting point. Which could be off since it was new. But was told it was bolt and go. At least I have a stock back up.
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Old Apr 14, 2008, 08:19 AM
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Dex stock catback isnt exactly top end friendly but you shoudl have better spool and low end torque with the new setup. I like that better since i spend more time down low then up top.
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Old Apr 14, 2008, 08:22 AM
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Originally Posted by dexmix
so, i think my car feels slower? its really hard to gauge by my butt dyno.. but for some reason it doesn't seem to have the same top end.

i got like 500rpm + in spoolup. the only way i'll know for sure is to take it to the track
The stock cat back will do that to you, little less top end due to flow, and little better spool from back pressure
cut open the muffler section and make it flow better
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