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Also an interesting one, GTD2060VR 850522 Ford F-150 Combines GTD20 with a ball bearing core.

Update; the issue is resolved: The solution; different VNT nozzle with same height but shorter flaps. Because flaps are shorter, the maximum opening angle is pointed more towards the center of the turbine wheel, slowing it down. The difference is night and day. Big thanks to Adam from...

Too much injection advance? No I believe not, and if it were, would it be a logical result? Too much advance will create higher pcp, not EMP imo.

From the beginning when this turbo with the new custom manifold and 3"exhaust was mounted. I swapped the stock turbo into this same exhaust housing for testing. I have not even pushed the injection up for the higher boost as it will make matters worst. AFR is ~20 in midrange. EGT around 800 C...

Btw the turbine housing a/r was also increased, from 0.74 (alfa 2056) to 0.93 (bmw 2260).

Yes I am sure it is almost fully open. All I can do more is mount the vacuum actuator with pretension, but that will make only 0.5mm difference in rod adjustment. That won't do the trick here. Also this vnt pack is 1mm higher than in the stock gtb2056, so maximum nozzle flow area is increased. I...

Yeah, I don’t think a bigger a/r housing makes much difference as the vnt nozzle will be the bottleneck. I have a 38mm wastegate that I could use. But before doing so, I need to make sure I tried all other options. Could it be the case that vnt flaps are being forced to close due to excessive...

Thanks Tdimeister. The vnt lever was changed to the shorter vacuum one. The actuator was set close to maximum opening, maybe 0.5mm is left in that adjustment. I should mention we used an Audi 2260 vnt nozzle. I know the bmw 2260 vnt has shorter flaps, so it might help a bit, but I doubt if it...

Hi, I have an Alfa 159 with 2.4 JTDm 5 cyl engine with a 2365 turbo, that seems impossible to tune. Once the turbo starts boosting, there is no stopping it and it will hit 4000 mbar absolute pressure around 4000 rpm, with 3200 mbar requested. The turbo has been checked, rebuild and even swapped...

For sure this is not for a Giulia 2.2 210ps. Looking at the Borgwarner number, it appears to be a K03.

Audi one should be GTD2263vzk, with similair connections as GTD2060 / Merc VKLR That BMW one is interesting though... GTE30VZK, latest generation VNT in this frame size.

Very unlikely. My best guess is they took a GTB22 vklr and made the GTD VNT to fit. 881962-0001 GTD2263VZK

For custom builds I prefer the BMW exhaust housing as it is Vband in and vband out. Much more convenient to have a vband welded at the exhaust manifold. And the Vband out is huge, you can weld a 3" pipe straight to it wihout needing a reducer. I'll post some photos later.

Super late reply, but I have vband flanges that fit that Maserati GTB2259VKLR. Same flange as GTB2056v and many other FCA turboes. PS you can swap the Maserati exhaust housing for a Audi or BMW GTB2260, plug&play.

Yes same wheel size for 210 version, only difference is the rpm sensor. This unit does 3200 mbar on a stock 2143cc engine, quite amazing for a turbo of this size. I will test this turbo with a GTD2056vzk comp wheel soon. Let's see if we can reach 3400 mbar... Unfortenately integrated, here's a...

Garrett 856473-0001 GTD1752MVKR Alfa Romeo Giulia / Stelvio 2.2 JTD 180 hp Ceramic ball bearings Compressor billet 8 full blades with ext tip, 37.2/52/53.7 Turbine 11 blades 39.5/43 Power potential 240-250 hp, 500 Nm at 1750 rpm at full stock engine. Also available with rpm sensor, for the 2.2...

GTD1752VKLR is fitted to the Alfa Romeo Giulia 2.2 JTD.

Hmm interesting. Mercedes GTB2060vklr has 44.5 comp inducer and only 44mm turbine exducer...

+1 Imo there are only disadvantages from fitting lightweight SMF's at 1.9 diesels. I've tried it too, replacing the oem 28 lbs dmf for a 17 lbs smf in combination with a spring center clutch. The result, clutch slipping, rattling, vibrations and nothing like faster revving or acceleration...

Fix the leakages first, and after that you will for sure need a new remap since you modified quite some important parts.