The turbo project trundles forward.

Kinja'd!!! "sony1492" (sony1492)
02/07/2018 at 21:45 • Filed to: Lexus

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After the jump.

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Mounted the A/F and boost gauges into the spare instrument cluster. It was difficult because I was using an ancient hand drill, ended up looking better than expected. I’ve still got to mount it into the car and wire the gauges, that will be the test to see if the tinted instrument lense is too dark or not.

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The odometer is really intricate looking in person, the glass face was suprising too.

The manual swap made whole sections of cluster useless so mounting the gauges over the speedo and removing the odometer was perfect.

A new exhaust is scheduled to be made next Friday. It will be 2.25 from each exhaust manifold straight back into the trunk with a t3 flange. The hiccups will be that the manifolds need a couple stuck bolts drilled out which I imagine is a bitch to do (and will cost me more). Both turbo v-bands will face each other so the exhaust may end up exiting out the center under the licences plate. I have yet to really decide on that yet. The exhaust is the most expensive and critical part of this project so once that’s done everything else can happen.

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Gold heat tape: Crucial.

Parts for the oil system keep trickling in, once they are all here I can cut my lines, turn the pumps on, and see how well the whole thing is gonna work. I’m reinventing the wheel and using a standalone oil system for the turbos, its basically one pump pushing oil in and one pump pushing oil back into the reservoir. It’s waiting on 4 more fittings before I can test it.

Basically everything for the charge pipe is here. That will be mocked up tomorrow along with hacking up the trunk.

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Hopefully this time next month the cars working.


DISCUSSION (8)


Kinja'd!!! Spanfeller is a twat > sony1492
02/07/2018 at 21:48

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Thought I’d see some shit slinging because of politics, but I am happy to be wrong... Happy building!


Kinja'd!!! AestheticsInMotion > sony1492
02/07/2018 at 22:11

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Gold heat tape!

Project sounds like it’s coming along nicely. I’m curious why you’re going with only 2.25" tubing for a custom turbo back exhaust..?


Kinja'd!!! Milky > sony1492
02/07/2018 at 22:16

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On the SC? Dope.


Kinja'd!!! sony1492 > AestheticsInMotion
02/07/2018 at 22:23

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Basically because I knew it would work, it’s what people run for naturally aspirated setups. Also the pipes run under the rear subframe and will get pinched if they are larger.

Ground clearance is a big factor in the way this is being executed. The turbos are going in the trunk because in the engine bay the exhaust would have to route under the front subframe.(Any other routing would’ve cost a fortune). The charge pipe is going through the,”interior”(it’s stripped) because there’s no room under the car. I could make another whole post bitching about how sc’s are way lower than they look.


Kinja'd!!! sony1492 > Milky
02/07/2018 at 22:28

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Yes. I need to make the car faster before I can consider mounting a Supra wing and using gold heat tape.


Kinja'd!!! sony1492 > Spanfeller is a twat
02/07/2018 at 22:31

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Thanks I put it after the jump because I don’t expect everyone to be interested. They can see kevlar BMW and scroll on.


Kinja'd!!! AestheticsInMotion > sony1492
02/08/2018 at 00:28

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Wow. I had no idea the platform was so difficult to work with. I’m curious to see it all finished. Turbos in the trunk... Is this going to result in a lot of turbo lag or..?


Kinja'd!!! sony1492 > AestheticsInMotion
02/08/2018 at 00:56

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With the 1uz packaging is tight, people do turbos with the 2jz sc300 quite often though.

Lag? Yes, but because I probably sized my turbos wrong. The compressor will work (according to a map for a similar spec turbo) but the turbine may be too large, normally with a rear mount the turbine needs to be smaller. There’s not a whole lot of great info for rearmounts on motors of this size.

I bought China turbos because some trial and error might happen. I’ll put everything together and go from there, maybe I’ll be lucky. The plan is between 5-7 psi and I want boost after 3000rpm (because I want to be out of boost at highway cruising speed)