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post #1 of 159 (permalink) Old 10-05-2015, 12:37 PM Thread Starter
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Skyactiv turbo building

This thread is for SKYACTIV 2.0/2.5 turbo builds bought or WiP.


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Last edited by chris_top_her; 06-21-2016 at 06:21 PM.
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post #2 of 159 (permalink) Old 10-05-2015, 01:22 PM Thread Starter
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I am assembling a parts list. It will serve as a checklist and reference. items added as needed/time permit. Feedback appreciated. Some of these items (especially fittings) might be cheaply available at local hardware stores, but I included them here just in case.

Mechanical:
Scavenger oil Pump - Turbowerx scavenger pump. Not cheap, but it's an important part that I don't want to skimp on. Needed to return oil from the turbo back to the motor. One way valve before the turbo and after the pump. T off the oil pressure, still deciding best placement for return line. The motor will be either on a switch or wired to run when the car is on. If I can find a practical set up for self contained that's even better.
Base-Model Pump

Turbo - 57/58 trim turbo with anti surge and internal WG
T3 T4 V Band Flange Exhaust T04E A R 63 Anti Surge Turbo turbocharger Wastegate | eBay

Blow of valve - Type - S with flange pipe
As much as I want noise, per tuners recommendation, I will be hooking this up to recirculate. A hybrid may come later.
Universal Billet Anodized Type s Turbo Blow Off Valve 2 5" Flange Pipe Silver | eBay

Electrics
Maf Extension Cord - My maf needs to be pre-turbo per tuners preference.I will cut the wire down the middle splice them and run the wiring through the firewall and out the access ports in the rear to the my corksport MAF.
http://www.ebay.com/itm/Toyota-Lexus...BWIDrA&vxp=mtr

3-Bar Map Sensor for reading boost (stock only reads 1.8psi)

Heat Exchangers
Intercooler - Black IC, maybe the version with a hose/pipe kit f I determine those parts to fit my needs. Oem diesel intercooler would be great since the mounting point are already there, but it's proving hard to source. I'm going to keep searching though.
28" Black Universal Billet Aluminum Turbo Front Mount Intercooler Tube Fin | eBay

Oil Cooler - 7 row 10 an.
7 Row 10AN Powder Coated Aluminum Engine Transmission Oil Cooler Kit Blue | eBay

Fittings
New OEM drain pan to tap
dealer

T3 inlet flange - Exhaust pipe to turbo
T3 Turbo Inlet to 3" OD Stainless Steel Pipe Weld Adapter Flange Gasket Stud | eBay - Got one with a Vband instead

Pipe weldable bov flange - for recirculation before maf. Need one for the other side as well, to attach silicon hose unless I choose to go metal.
Outlet Type R RS s RZ Blow Off BOV Turbo Stainless Steel Weld Flange Charge Pipe | eBay
Inlet Type R RS s RZ Blow Off BOV Turbo Aluminum Weld Flange Charge Pipe | eBay ended up getting a different one

Oil Feed/Drain adapter kit for turbo. built in .0045 restrictor.
T3 T3 T4 Hybrid Turbo 4AN Oil Feed 10 An Oil Drain Adapter Anodized Blue | eBay

Oil pressure sensor T - Steel Looks like a good unit.
1 8" BSPT Oil Pressure Sensor Tee to NPT Adapter Turbo Honda Mitsubishi | eBay

an4(1/8 ) hose for the turbo oil feed
4AN An 4 An 4 4 8 mm 3 16" Stainless Steel Fuel Oil Gas Braided Hose Line 1ft | eBay

an4 end hose adaptors as needed
4AN AN4 An 4 Straight Red Blue Aluminum Swivel Hose End Fitting Adapter Coupler | eBay

an10 adaptor for pan tap
AN10 10 An 5 8 18 UNF Oil Fuel Line Hose End Male Female Fitting Adaptor Blue | eBay

an10 hose for turbo drain
10 An Braided Stainless Steel Hose Oil Gas Line Turbo Drain Cooler 1250 PSI | eBay

An10 end hose adaptors as needed
10 An AN10 10AN Straight Swivel Hose End Fitting Adaptor Aluminum | eBay

An10 inline filter - pre pump
Racing Ready Inline Fuel Filter AN10 10 An Blue with 100 Micron Element SS | eBay


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Last edited by chris_top_her; 11-15-2015 at 09:46 PM.
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post #3 of 159 (permalink) Old 10-05-2015, 01:25 PM Thread Starter
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post #4 of 159 (permalink) Old 10-05-2015, 02:55 PM
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What turbo is it?
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post #5 of 159 (permalink) Old 10-05-2015, 03:37 PM Thread Starter
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Chinese. It will do as is for bay and manifold fitting but it wont go onto the car (if I get that far) until its rebuilt. I've already determined I will have to partially disassemble to get it in from the top. I bought a 22mm socket to remove the 02 so I can take the heat shield off and see the actual space there. Possible using an oem mani (well designed and I woukd want to keep the low end tq when not under boost helped by its design)with the cat cut and add the t3 flange/ up pipe there. Otherwisena log manifold would be a great space saving option but I'm worried about low down tq from that type. I will reference the diesel for ic piping as the mounts are all there. Oil cooler ( aside from the very small oem one) can go in somewhere, around the fan if there is space. I was looking at the barrel type, but I don't think I want extra coolant lines run.


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Last edited by chris_top_her; 10-05-2015 at 03:45 PM.
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post #6 of 159 (permalink) Old 10-05-2015, 04:17 PM Thread Starter
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Compressor:
Trim: 57
A/R: 0.53
Inducer/ Exducer (mm): 50mm / 76mm
Turbine:
Trim: 58
A/R: 0.63
Inducer: 66mm / 56mm

Enough for a low boost with a vband and anti surge


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post #7 of 159 (permalink) Old 10-05-2015, 05:09 PM
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Quote:
Originally Posted by chris_top_her View Post
Chinese. It will do as is for bay and manifold fitting but it wont go onto the car (if I get that far) until its rebuilt. I've already determined I will have to partially disassemble to get it in from the top. I bought a 22mm socket to remove the 02 so I can take the heat shield off and see the actual space there. Possible using an oem mani (well designed and I woukd want to keep the low end tq when not under boost helped by its design)with the cat cut and add the t3 flange/ up pipe there. Otherwisena log manifold would be a great space saving option but I'm worried about low down tq from that type. I will reference the diesel for ic piping as the mounts are all there. Oil cooler ( aside from the very small oem one) can go in somewhere, around the fan if there is space. I was looking at the barrel type, but I don't think I want extra coolant lines run.

I haven't looked at the room in a 5 yet, but in the 3 at least after the cat there isn't room to mount it on the manifold. Also where the cat starts and ends it is not perfectly round tubing. You're almost better off using some sort of aftermarket Tri-Y, and welding the flange at the end of it. It would almost be easier to run a remote setup.

The amount of low-end tq that you may lose going to a simple manifold would be negligible. You probably won't notice too much then you will hit boost.
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post #8 of 159 (permalink) Old 10-05-2015, 06:13 PM Thread Starter
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Yea, it's a bit difficult to tell how much space is available there with the heatshield on it. There seems to be a bi of space though, but I wouldn't know how to compares to mz3. I'll post pics once the HS is off.


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post #9 of 159 (permalink) Old 10-05-2015, 11:54 PM Thread Starter
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I ran across a guy on a local mazda fb page who makes manifolds. I think I will try to get a t3 log manifold from him if the price is right. Gonna try to have a look at the unshielded mani tomorrow morning.


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post #10 of 159 (permalink) Old 10-08-2015, 01:43 AM Thread Starter
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Doesn't seem like I will be able to remove the heat shield from the stop without making it a 2piece part. Using some pretty crude test fitting I'm pretty sure a log manifold with a simple downwards facing t3 flange (no wastegate port) will give me enough room.






mani exposed


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Last edited by chris_top_her; 10-08-2015 at 01:53 AM.
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