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-   Evo Engine / Turbo / Drivetrain (https://www.evolutionm.net/forums/evo-engine-turbo-drivetrain-22/)
-   -   BW S362 SXE TwinScroll Project (https://www.evolutionm.net/forums/evo-engine-turbo-drivetrain/754079-bw-s362-sxe-twinscroll-project.html)

240Z TwinTurbo Apr 22, 2019 06:24 PM

BW S362 SXE TwinScroll Project
 
So it has begun! Runners are 321SS 1.25" Schedule 10 and I will do my best to make the primary tubes equal length. The turbo is obviously the Borg Warner S362-SXE T4 TwinScroll with a 1.0 A/R turbine housing. I had MPFAB fabricate the twinscroll collector as well as cut off the stock downpipe flange and weld on an aftermarket flange so I could get the dowpipe as close to the turbine housing as possible.

https://cimg5.ibsrv.net/gimg/www.evo...0eadbd25c5.jpg
https://cimg1.ibsrv.net/gimg/www.evo...e2e34ca466.jpg


You can see with the turbo sitting on the downpipe portion of the vband there is only ~1/8" gap between the TS flange and the counter. Can't get the downpipe any closer than that!
https://cimg5.ibsrv.net/gimg/www.evo...fefe61c9a6.jpg



The next step is to get the general turbo placement setup so I mocked up one runner to make sure I would be able to work with this turbo and make it fit. Initial mockup looks good and I have ~5/8" clearance to the radiator, but I can definitely move the turbo towards the driver's side ~0.5". As it sits I have ~3.375" between downpipe vband flange and the AC compressor heat shield. Once I move it over I will have ~4" so enough to make a decent 3" down pipe.

https://cimg4.ibsrv.net/gimg/www.evo...eead32b1bf.jpg
https://cimg8.ibsrv.net/gimg/www.evo...9f27511bb7.jpg
https://cimg9.ibsrv.net/gimg/www.evo...1c6888440b.jpg


When I clock the turbo clockwise it gives me another ~0.5" of clearance to move the turbo towards the driver's side. I will make this change tomorrow and once the initial runner is set it should come together quickly.
https://cimg2.ibsrv.net/gimg/www.evo...9992a3ce88.jpg

heel2toe Apr 23, 2019 07:55 AM

Looks like youre off to a great start; excited to see this progress!

Was wondering since you have so many great threads if you had any interest in creating a dedicated car build thread? I thought it might be a cool means to compile everything you've done. Of course if you want to keep them separate and specific to say your turbo of choice for the new build then go for it too, just thought it might be cool since I love seeing what projects you are up to. Keep up the good work!

240Z TwinTurbo Apr 23, 2019 01:25 PM


Originally Posted by heel2toe (Post 11869677)
Looks like youre off to a great start; excited to see this progress!

Was wondering since you have so many great threads if you had any interest in creating a dedicated car build thread? I thought it might be a cool means to compile everything you've done. Of course if you want to keep them separate and specific to say your turbo of choice for the new build then go for it too, just thought it might be cool since I love seeing what projects you are up to. Keep up the good work!

Thank you for the kind words. I prefer to keep them separate as it makes it easier to search the different setups.

240Z TwinTurbo Apr 23, 2019 01:29 PM

The first order of business was to redo the pipe to move the turbo towards the driver's side. I was able to do this an gained some clearance for the downipe and now have 3.75" clearance to the AC compressor. Not sure what the downpipe is going to look like, but I guess I'll figure that out later.

https://cimg2.ibsrv.net/gimg/www.evo...b4fb3477bc.jpg


Like I said, once you get the first runner set the rest start to come together. I should have the basic manifold fabricated after a few more hours.

https://cimg2.ibsrv.net/gimg/www.evo...37c34afad2.jpg
https://cimg6.ibsrv.net/gimg/www.evo...a6e5f9a7e6.jpg
https://cimg9.ibsrv.net/gimg/www.evo...2e29e45cd5.jpg
https://cimg2.ibsrv.net/gimg/www.evo...6978fe2ad9.jpg

ctfpevoVIII Apr 23, 2019 04:29 PM

Looks awesome so far!! Can’t wait to see the finished product.

240Z TwinTurbo Apr 23, 2019 05:48 PM

^Thanks....

Forgot how long it actually takes to weld everything up! 2 down 2 to go.

https://cimg7.ibsrv.net/gimg/www.evo...30459e9ae5.jpg
https://cimg8.ibsrv.net/gimg/www.evo...2b8020f0eb.jpg
https://cimg4.ibsrv.net/gimg/www.evo...b55db5c08f.jpg
https://cimg6.ibsrv.net/gimg/www.evo...2b717f4bd0.jpg

ncdirtrider249 Apr 24, 2019 01:17 PM

Looks killer man, in for results! I'm guessing this is the SX-E model Borg?

blackline Apr 24, 2019 01:56 PM

That is super nice, subbed!

LetsGetThisDone Apr 24, 2019 02:28 PM


Originally Posted by ncdirtrider249 (Post 11869930)
Looks killer man, in for results! I'm guessing this is the SX-E model Borg?

The thread title literally says SXE...

240Z TwinTurbo Apr 24, 2019 05:28 PM

Today kicked my ass, but making progress. Ordered some more parts today so I hope to have this wrapped up within 2 weeks. I will be doing recirculating wastegates and I still have not order the parts. I have some additional photos I will post later.

https://cimg0.ibsrv.net/gimg/www.evo...dd80dc9006.jpg
https://cimg3.ibsrv.net/gimg/www.evo...9f309c59ab.jpg
https://cimg7.ibsrv.net/gimg/www.evo...8600cee8d6.jpg
https://cimg9.ibsrv.net/gimg/www.evo...e163761b23.jpg

240Z TwinTurbo Apr 24, 2019 06:25 PM

https://cimg0.ibsrv.net/gimg/www.evo...a20da637a6.jpg
https://cimg4.ibsrv.net/gimg/www.evo...b73a9a791b.jpg
https://cimg1.ibsrv.net/gimg/www.evo...18dac5a809.jpg
https://cimg5.ibsrv.net/gimg/www.evo...86a05ba6a1.jpg

ncdirtrider249 Apr 25, 2019 05:55 AM


Originally Posted by letsgetthisdone (Post 11869935)
The thread title literally says SXE...

LOL

That's my bad, I got caught up in the pictures and completely forgot about the thread title -_- don't mind me!

240Z TwinTurbo Apr 25, 2019 05:15 PM

https://cimg6.ibsrv.net/gimg/www.evo...4596c79deb.jpg
https://cimg7.ibsrv.net/gimg/www.evo...ec253bc9d7.jpg
https://cimg8.ibsrv.net/gimg/www.evo...502275463b.jpg
https://cimg9.ibsrv.net/gimg/www.evo...fdbf78dbec.jpg
https://cimg0.ibsrv.net/gimg/www.evo...2fb48a7a10.jpg
https://cimg1.ibsrv.net/gimg/www.evo...580f141f00.jpg
https://cimg2.ibsrv.net/gimg/www.evo...f97a0aaa44.jpg
https://cimg3.ibsrv.net/gimg/www.evo...b286fc6f0b.jpg

240Z TwinTurbo Apr 26, 2019 05:13 PM

I am waiting on parts to arrive to finish the wastegate and downpipe, but in the interim just trying to knock out some little things. Purchased some 1.5" u-bends today local for the wastegate dumps and they are 304SS 16G with a 2" CLR. Hard to find people that make them on a 2" CLR as the most common is 2.25".

https://cimg4.ibsrv.net/gimg/www.evo...449c633775.jpg


On a positive note my old intake still fits so one less thing to worry about.

https://cimg0.ibsrv.net/gimg/www.evo...07bacc8b53.jpg


Since the BW turbo doesn't use water cooling I ordered some silicone hose and connected the two water lines together.

https://cimg1.ibsrv.net/gimg/www.evo...33f50a2100.jpg


I am also going to be able to reuse my old turbo outlet, but have to get the turbo clocked in the correct position. I initially ran into limitations with the compressor outlet hitting a piece of the block so I used a sanding disc on a 4" grinder to knock it down.

https://cimg9.ibsrv.net/gimg/www.evo...f0434461aa.jpg
https://cimg1.ibsrv.net/gimg/www.evo...2234836a22.jpg


I still need to grind a bit more, but the limitation now is the front trans mount. Just need to grind a bit off one side so it can rotate just a tad more.

https://cimg7.ibsrv.net/gimg/www.evo...2f016e327b.jpg

240Z TwinTurbo Apr 28, 2019 12:04 PM

I had a few more parts arrive today, but I ran out of gas so I have to go and swap my welding bottle tomorrow. However, I was able to finish clearancing the block and front trans mount so I can clock the turbo correctly. It is hard to see because of the angle, but circled in red I have approximately 3/16" clearance from the compressor cover to the block were I ground it down.


https://cimg3.ibsrv.net/gimg/www.evo...df99a8fb17.jpg


Once this was done I was able to clock the turbo so I had sufficient clearance from the radiator. I was fortunate again that I was able to reuse my previous lower IC pipe with no modifications. You can also see I slightly clearanced the crossmember because the compressor discharge was hitting.

https://cimg7.ibsrv.net/gimg/www.evo...24a837f2f0.jpg
https://cimg3.ibsrv.net/gimg/www.evo...a1d104a240.jpg


My 3" ultra tight radius bend arrived, which has a ~2.5" CLR and is sharpest bend I could find on the net. When placing in the vband flange completely flat I have about 1/8" of clearance issue. Therefore, I can easily just sand the end of the tube to fudge the angle and it will work or I can have the recess in the flange machined on the lathe so the pipe fits deeper into the flange prior to welding. Haven't decided what I am going to do, but I will be able to make this work without sacrificing performance.

https://cimg6.ibsrv.net/gimg/www.evo...762a0ac4ed.jpg


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