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Little update, its been hectic. Car is currently at BTuned motor is out turbos are halfway on. Z1 didnt send a coupe C-Clips that have us stalled out until tomorrow

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Old 03-14-2024, 01:33 PM   #1021 (permalink)
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Little update, its been hectic. Car is currently at BTuned motor is out turbos are halfway on. Z1 didnt send a coupe C-Clips that have us stalled out until tomorrow or the weekend. The guy that was supposed to do my body work is now booked out 2 years. I guess he didnt take me seriously even though I called him once a month with an update for 6 months on timelines. I have a tentative shop to install the pieces andhe said he can squeeze in painting them. The hopeful public reveal at Zcon is actually starting to look difficult. Im trying to talk the shop into letting me help with the work to speed up the process but I dont know if they will let me.
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Old 04-03-2024, 06:34 PM   #1022 (permalink)
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Went to pick the car up last Friday. It isnt making boost. Everything that can be easily checked seems fine. All logs look good except the Turbo speeds which are reading like bad speed sensors, but that still does not explain literally 0 boost pressure. No signs of turbo damage which again is unlikely because they are brand new and I very carefully assembled them myself. Shop says they free spin by finger so no way they are bound up. Obviously no boost leak large enough to cause this either so even if a smoke test found a tiny leak we'd be making some kind of boost with these big boys.

Figures out of like a 8 years of this engines lifespan I have some mystery problem. A second shop has no backed out of the body work as well and I have lined up a third with a rough start at the end of this month. Hoping the turbo problem is sorted out by then lol
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Old 04-03-2024, 08:48 PM   #1023 (permalink)
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Went to pick the car up last Friday. It isnt making boost. Everything that can be easily checked seems fine. All logs look good except the Turbo speeds which are reading like bad speed sensors, but that still does not explain literally 0 boost pressure. No signs of turbo damage which again is unlikely because they are brand new and I very carefully assembled them myself. Shop says they free spin by finger so no way they are bound up. Obviously no boost leak large enough to cause this either so even if a smoke test found a tiny leak we'd be making some kind of boost with these big boys.

Figures out of like a 8 years of this engines lifespan I have some mystery problem. A second shop has no backed out of the body work as well and I have lined up a third with a rough start at the end of this month. Hoping the turbo problem is sorted out by then lol

Have you reflashed the tune? When I installed
my kit, got it tuned on the dyno, worked good. Drove it home, no boost, and felt sluggish. Something happened with the tune, re-setting ECU didn’t work, but tuner reloaded the tune and boost came back. Car feel/run fine otherwise, just no boost?


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Old 04-19-2024, 01:01 PM   #1024 (permalink)
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Originally Posted by xxAGAVExx View Post
Have you reflashed the tune? When I installed
my kit, got it tuned on the dyno, worked good. Drove it home, no boost, and felt sluggish. Something happened with the tune, re-setting ECU didn’t work, but tuner reloaded the tune and boost came back. Car feel/run fine otherwise, just no boost?


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Car hadnt even been tuned yet we just loaded a base map to start it up and check some vitals. Then we ran a cruising log and when that checked out tried to do our first WOT log. Turbos were only showing between 24-30k RPMs. These have to be at 50K to start making boost. Even if the WGA were completely bypassing it would still be making like 7-9lbs of boost.

Everything you can think of was checked and seemed fine. Motor finally is back out and the Turbos are being sent to Z1. Im not happy that my car has been put to the back of all the new work coming in but I dont really have any choice in the matter. Well I do but it would be much more cost.
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Old 04-20-2024, 05:45 AM   #1025 (permalink)
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Originally Posted by Mr&Mrs View Post
Car hadnt even been tuned yet we just loaded a base map to start it up and check some vitals. Then we ran a cruising log and when that checked out tried to do our first WOT log. Turbos were only showing between 24-30k RPMs. These have to be at 50K to start making boost. Even if the WGA were completely bypassing it would still be making like 7-9lbs of boost.

Everything you can think of was checked and seemed fine. Motor finally is back out and the Turbos are being sent to Z1. Im not happy that my car has been put to the back of all the new work coming in but I dont really have any choice in the matter. Well I do but it would be much more cost.

Sorry to hear man, hopefully she’s back together soon.


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Old 04-24-2024, 04:24 PM   #1026 (permalink)
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Z1 just called, we know the problem. CHRAs are in the wrong housings. They have not revised the instructions to these turbos yet and the person that gave me the instructions via email, left it out, or didn't know themself. They are getting them swapped over and covering a large portion of the extra costs that this has caused. Top notch customer support.
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