Nissan 370Z Forum

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-   -   Rear Mounted Turbo (scratch build) (http://www.the370z.com/forced-induction/24022-rear-mounted-turbo-scratch-build.html)

jnaut 08-27-2010 07:36 AM

just ordered universal charge piping, couplers, 90 degree elbows, t-bolt clamps.:tup: now lets stay on the topic :tiphat:

dnasty370z 08-27-2010 11:16 AM

Quote:

Originally Posted by jnaut (Post 696612)
just ordered universal charge piping, couplers, 90 degree elbows, t-bolt clamps.:tup: now lets stay on the topic :tiphat:

What universal charpiping did you go with? why not Custom?

jnaut 08-27-2010 11:52 AM

Quote:

Originally Posted by dnasty370z (Post 696875)
What universal charpiping did you go with? why not Custom?

just for test fitting, plus it was a good deal. i know ill need some of it plus the couplers, t-bolt clamps etc...

Jamaica 08-27-2010 11:55 AM

Good luck bro

96bigbody 08-27-2010 03:02 PM

Quote:

Originally Posted by jnaut (Post 696929)
just for test fitting, plus it was a good deal. i know ill need some of it plus the couplers, t-bolt clamps etc...

I know you can get some good piping kits and intercoolers on ebay.

Zsteve 08-27-2010 04:20 PM

Quote:

Originally Posted by jnaut (Post 693850)
TURBO is on order now...woohoo!!

Have you thought about doing a recirculating valve to put the unused air back into the intake path and help the turbo spool up?

but filter location is a little curious to me too.

corbin09 08-27-2010 04:48 PM

Subscribed for awesomeness. I will probably be going with a home made kit along these lines aswell!

jnaut 08-28-2010 07:38 AM

Quote:

Originally Posted by 96bigbody (Post 697236)
I know you can get some good piping kits and intercoolers on ebay.

:icon18: thats where i found it... its already shipped.

jnaut 08-28-2010 07:44 AM

Quote:

Originally Posted by Zsteve (Post 697376)
Have you thought about doing a recirculating valve to put the unused air back into the intake path and help the turbo spool up?

but filter location is a little curious to me too.

it would be a good idea also as having it as a atmosphere vent will cause a momentary rich condition. plus i dont really like the sound. we will see... thanks for the input steve :)

Zsteve 08-28-2010 09:47 AM

Quote:

Originally Posted by jnaut (Post 698127)
it would be a good idea also as having it as a atmosphere vent will cause a momentary rich condition. plus i dont really like the sound. we will see... thanks for the input steve :)

how do they keep the filter from getting so much road dirt when under the car? Can it be placed in the engine?

jnaut 08-28-2010 09:50 AM

Quote:

Originally Posted by Zsteve (Post 698198)
how do they keep the filter from getting so much road dirt when under the car? Can it be placed in the engine?

i will have to take care by not driving in deep puddles, but i am going to run a prefilter also with a splash shield. the car is a toy so i dont drive everyday.when the turbo get in ill start mocking it up and taking some pics...

jnaut 08-28-2010 02:12 PM

just got tracking number.... turbo will arrive thursday.... and the pics will follow shortly after :)

Jamaica 08-28-2010 02:37 PM

Quote:

Originally Posted by jnaut (Post 698402)
just got tracking number.... turbo will arrive thursday.... and the pics will follow shortly after :)


what kinda turbo?

jnaut 08-28-2010 02:49 PM

Quote:

Originally Posted by jamaica951 (Post 698412)
what kinda turbo?

GARRETT gt3582r
.82 a/r, anti surge holes, v-band exhaust, 4" inlet,2.5 "outlet,polished compressor housing



The pic is of a general gt35r w/ comperssor surge holes



http://i227.photobucket.com/albums/d...3582rturbo.jpg

Jamaica 08-28-2010 03:13 PM

Good job. The piping on the turbo setup should be interesting since its a dual compared the 350z throttle body.

RCZ 08-29-2010 03:27 PM

^ You'll like how he got around this ;)

Zsteve 08-29-2010 03:29 PM

Quote:

Originally Posted by jnaut (Post 698423)
GARRETT gt3582r
.82 a/r, anti surge holes, v-band exhaust, 4" inlet,2.5 "outlet,polished compressor housing



The pic is of a general gt35r w/ comperssor surge holes



http://i227.photobucket.com/albums/d...3582rturbo.jpg

is this a quick spooling turbo for low end tq or high end tq?

G Fo12ce 08-29-2010 07:33 PM

Quote:

Originally Posted by phelan (Post 692439)
The Zombie rear mount turbo saga - LS1TECH

interesting read for those who are curious.

HAHA
Quote:

Chapter 2... The Empire Strikes Back!

The rear mount turbo, loved by some, despised by others. How can such a simple device as a turbo and it's where it's located stir as much hatred as it does. Perhaps the hatred is due to latent homosexuality since rear mount turbo users "like their turbo in the butt". Who knows.
Interesting read. OP sounds like you should get the whole exhaust before the turbo coated with something like THIS (I was going to link HPC Coatings but it looks like there was a merger with Jet Hot). On my Supra I had the manifold, turbine housing and down pipe done in what looks like what they are calling Jet Hot 2000 now.

wh1te370z 09-01-2010 02:05 PM

subscribed. :happydance:

Zsteve 09-01-2010 08:37 PM

so if intake filters have to go under car then IMO this is not a good solution for DD cars. Can the filter be put in the engine bay still?

jnaut 09-01-2010 09:16 PM

Quote:

Originally Posted by Zsteve (Post 704116)
so if intake filters have to go under car then IMO this is not a good solution for DD cars. Can the filter be put in the engine bay still?

No it cant be in engine bay as the air intake is in rear of the car.

Zsteve 09-01-2010 09:20 PM

Quote:

Originally Posted by jnaut (Post 704206)
No it cant be in engine bay as the air intake is in rear of the car.

couldnt you just run a long tube from the filter in the engine down to the turbo? So all the STS turbos have the filter under the car?

jnaut 09-01-2010 09:25 PM

Also ordered some more parts today... Intercooler pump and heat exchanger. Woot woot:excited:

Seb@SZ 09-01-2010 09:25 PM

Quote:

Originally Posted by Zsteve (Post 704213)
couldnt you just run a long tube from the filter in the engine down to the turbo? So all the STS turbos have the filter under the car?

You would be causing HUGE restriction to the turbo.

Zsteve 09-01-2010 09:26 PM

Quote:

Originally Posted by jnaut (Post 704224)
Also ordered some more parts today... Intercooler pump and heat exchanger. Woot woot:excited:

have you started putting this all together yet and have anything installed? If so pics.

Zsteve 09-01-2010 09:28 PM

Quote:

Originally Posted by Seb@SZ (Post 704226)
You would be causing HUGE restriction to the turbo.

I would think that as long as the car is on there will be air in the tubes and a recirculating valve at the turbo will put air in too. But I really dont know.

Seb@SZ 09-01-2010 11:04 PM

Yeah, it doesn't really work like that. In layman's terms picture trying to suck out of a straw. The longer it is the harder it is to get air through it. Complicate things even further by adding turns and bends and you'll be choking off the compressor.

1slow370 09-02-2010 04:16 AM

just use a good filter box and the filter won't get drenched like an open cone would and put a good sized stainless shield/diffuser under the turbo to keep it from getting wet rain problem solved.

jnaut 09-03-2010 09:25 PM

Quote:

Originally Posted by 1slow370 (Post 704505)
just use a good filter box and the filter won't get drenched like an open cone would and put a good sized stainless shield/diffuser under the turbo to keep it from getting wet rain problem solved.

exactly what i plan to do...:tup:

jnaut 09-03-2010 09:28 PM

So some pieces came in, but heat exchanger yet maybe wednesday. Here is a few pics, nothing mocked up yet, but soon prolly like next weekend. the seal on the ram for the lift went out, waiting for it to get backed from the hydraulic shop.

http://i227.photobucket.com/albums/d...rbo370z001.jpg
http://i227.photobucket.com/albums/d...rbo370z002.jpg
http://i227.photobucket.com/albums/d...rbo370z003.jpg
http://i227.photobucket.com/albums/d...rbo370z004.jpg
http://i227.photobucket.com/albums/d...rbo370z005.jpg
http://i227.photobucket.com/albums/d...rbo370z006.jpg
http://i227.photobucket.com/albums/d...rbo370z007.jpg
http://i227.photobucket.com/albums/d...rbo370z008.jpg
http://i227.photobucket.com/albums/d...rbo370z009.jpg

1slow370 09-04-2010 01:21 AM

for a scavenge pump RB racing makes a great bronze gear pump designed for oil system use. The pumps are so over built you could use them as a seperate supply pump at 3 GPM at 30psi. the also have the supply line restrictors, backflow valves, and hell in line turbo oil filters if you wnat to run those too. remember a ball bearing turbo likes 30psi of oil pressure journal bearings a bit more. Don't skimp on the oiling like sts did or you'll be doing what i am right now, trying to improve it so the seals don't bypass oil at low throttle. Rear mounts are hard on ring seals, if your turbo has carbon seals you won't have as much of a problem.

jnaut 09-04-2010 07:18 AM

Quote:

Originally Posted by 1slow370 (Post 707186)
for a scavenge pump RB racing makes a great bronze gear pump designed for oil system use. The pumps are so over built you could use them as a seperate supply pump at 3 GPM at 30psi. the also have the supply line restrictors, backflow valves, and hell in line turbo oil filters if you wnat to run those too. remember a ball bearing turbo likes 30psi of oil pressure journal bearings a bit more. Don't skimp on the oiling like sts did or you'll be doing what i am right now, trying to improve it so the seals don't bypass oil at low throttle. Rear mounts are hard on ring seals, if your turbo has carbon seals you won't have as much of a problem.

I have already ordered the scavenge pump, as for the oil feed /return line. running 4-AN braided stainless line and 8-AN push lock oil return line.

Base-Model Pump

Boost_lee 09-04-2010 11:59 AM

Jnaut - how much was the universal piping kit if you dont mind me asking? Is it Aluminum or mild steel?

jnaut 09-04-2010 12:50 PM

Quote:

Originally Posted by Boost_lee (Post 707442)
Jnaut - how much was the universal piping kit if you dont mind me asking? Is it Aluminum or mild steel?

$90 shipped , and its aluminum

Zsteve 09-10-2010 10:52 PM

updates?

jnaut 09-11-2010 08:04 AM

still ordering in parts, i just received my waste gate and heat exchanger. next to be ordered is my injectors and air/water intercooler.

JB-370z 09-11-2010 10:08 AM

^^^^I give you props for doing this on your own.

Dustin@Z1 09-11-2010 11:08 AM

Where are you plannin on mounting the Intercooler?

I am assuming that you are planning on retaining the Y-pipe factory exhaust to feed the single turbo. Have you started mocking up pipe routing up front yet since it will be a single feed from the compressor that will need to split to feed both Throttle bodies?

jnaut 09-11-2010 12:13 PM

Quote:

Originally Posted by JB-370z (Post 716928)
^^^^I give you props for doing this on your own.

Thanks bro :tup:

jnaut 09-11-2010 12:19 PM

Quote:

Originally Posted by Dustin@Z1 (Post 716970)
Where are you plannin on mounting the Intercooler?

I am assuming that you are planning on retaining the Y-pipe factory exhaust to feed the single turbo. Have you started mocking up pipe routing up front yet since it will be a single feed from the compressor that will need to split to feed both Throttle bodies?


This is in the works... hahaha :tup:


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