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gt4088 and bw s366 the same fitment?

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BrokenTsi

20+ Year Contributor
1,831
36
May 3, 2003
Rome, New York
Im looking to run a bw s366 twin scroll t4. I have a guy who wants to sell me his dnp t4 manifold and downpipe, and he was using a gt4088r t4 with 3" vband outlet.

I heard that a bw s366 could be the same to4r frame and possibly a direct replacement for a gt40r variant. Does anyone know for sure that the borg warner can replace a gt40r without any modifications? Is it the same 3" vband outlet?

To sum it up, I basically want to take a setup that was built for a gt4088, and replace it with a bw s366. If I have to change the flange, its not a big deal however.
 
Turns out, it is exactly the same except the BW turbo requires a special V-Band flange that is available at Bullseye. So all I will have to do is replace the flange for the downpipe. :thumb:
 
You should be able to get away with the 3" V-band flange if your current downpipe had no receiver groove on the flange.

As for the fitment of the turbo when compared to the GT4088R or GT4094R, they are an identical footprint for placement of the compressor cover outlet, and turbine housing inlet, spacing, and fitment.

The DNP T4 manifold fits great with the GT40R on a 2G with the stock radiator, and has plenty of fitment for a SPAL 12" puller fan on the passenger side of the radiator.
 
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