turbo oil lines
10-17-07, 02:38 PM
#1
Senior Member
Thread Starter
iTrader: (4)
Join Date: Apr 2007
Location: bay area
Posts: 466
Likes: 0
Received 0 Likes
on
0 Posts
turbo oil lines
im trying to find out how to hook up the oil return/ feed lines for the turbo . Can anyone guide me through this process . Best route , easiest , modifications , suggestions . here are pics of the process and how the turbo looks . pretty much almost done with it maybe another week or two although i want to finish it now 
10-17-07, 03:51 PM
#2
REW'd FB
Join Date: Dec 2004
Location: WA
Posts: 2,685
Likes: 0
Received 0 Likes
on
0 Posts
What block are you running? If it is a turbo motor it should have come with a feed line on the drivers side front iron. If not, I have heard of people taping into the oil system by the oil filter. I run a 4AN line to feed the turbo. If you are running a stock turbo match the feed line size to the stock feed line. If it is aftermarket refer to the manufacturer for suggested size.
The drain line is a little more complex. You will need to:
1. Remove the radiator
2. Pull off the water pump/alt
3. Remove the front pulley assembly
4. Remove the front cover bolt
5. Remove the front cover (remember to hold the clutch in while you are doing this)
6. Drill and tap the front cover for the return line (size may vary depending on turbo size)
7. Put the car back together.
There are other ways but this is the way they came from the factory. Do it right, do it once. Oil pan is a second option.
I hope that when you had the end play adjusted you wrote down the value. That will be essential when you put the motor back together. If you did not I would try and use a torque wrench first and find what that value is.
Hope this helps,
Z
The drain line is a little more complex. You will need to:
1. Remove the radiator
2. Pull off the water pump/alt
3. Remove the front pulley assembly
4. Remove the front cover bolt
5. Remove the front cover (remember to hold the clutch in while you are doing this)
6. Drill and tap the front cover for the return line (size may vary depending on turbo size)
7. Put the car back together.
There are other ways but this is the way they came from the factory. Do it right, do it once. Oil pan is a second option.
I hope that when you had the end play adjusted you wrote down the value. That will be essential when you put the motor back together. If you did not I would try and use a torque wrench first and find what that value is.
Hope this helps,
Z
10-17-07, 05:13 PM
#3
Senior Member
Thread Starter
iTrader: (4)
Join Date: Apr 2007
Location: bay area
Posts: 466
Likes: 0
Received 0 Likes
on
0 Posts
the block is a 12a . the turbo itself is from the old school 12at . ok so i can tap into the the oil filter as the feed and tap into the oil pan as the return ?
10-18-07, 01:17 AM
#6
Senior Member
Thread Starter
iTrader: (4)
Join Date: Apr 2007
Location: bay area
Posts: 466
Likes: 0
Received 0 Likes
on
0 Posts
cool , i guess the oil pan is coming off . but does anyone have any pics on how they tapped the front cover . pictures are always better then words . 
Trending Topics
10-20-07, 03:55 AM
#9
---
Join Date: Sep 2005
Location: Minneapolis, MN
Posts: 569
Likes: 0
Received 0 Likes
on
0 Posts
Yeah I know you still have to remove the front cover, I'd just prefer not to drill and tap into it if I don't have to. I hear you on it being too high though, I'll probably just end up going in the pan despite the frothy oil issue.
10-20-07, 05:27 PM
#13
---
Join Date: Sep 2005
Location: Minneapolis, MN
Posts: 569
Likes: 0
Received 0 Likes
on
0 Posts
I'm trying to buy one right now but am waiting to hear back from him.
10-20-07, 06:23 PM
#14
I could add an oil filter before the turbo. I have a spare empi oil filter pedestal with fittings just waiting for a project. It would take the unfiltered oil from the ReSpeed or RB temp and presure block (type 1) and send it through a large filter before the turbo. I must do this because the front plate does not have a threaded fitting like the S4 and S5 front plates, and the engine is together so I'm not going to take it apart just to attempt to cut some threads.
10-20-07, 09:26 PM
#18
Hunting Skylines
Join Date: Apr 2001
Location: Brisbane, Queensland, Australia.
Posts: 3,431
Likes: 0
Received 2 Likes
on
2 Posts
There is another option. I tig welded some aluminium tube onto the front cover and whipped up a brass hose tail fitting for the turbo. All I needed then was a length of hose and some clamps.
10-22-07, 06:55 PM
#21
That pic looks like it's tapped in the front iron, not the front cover. In the linked thread is a pic of where I tapped my front cover for a future oil return, It still has the brass plug in it, lol.
https://www.rx7club.com/attachment.p...0&d=1156454872
https://www.rx7club.com/attachment.p...0&d=1156454872
10-24-07, 02:10 PM
#23
---
Join Date: Sep 2005
Location: Minneapolis, MN
Posts: 569
Likes: 0
Received 0 Likes
on
0 Posts
That pic looks like it's tapped in the front iron, not the front cover. In the linked thread is a pic of where I tapped my front cover for a future oil return, It still has the brass plug in it, lol.
https://www.rx7club.com/attachment.p...0&d=1156454872
https://www.rx7club.com/attachment.p...0&d=1156454872
Thread
Thread Starter
Forum
Replies
Last Post
trickster
2nd Generation Specific (1986-1992)
25
07-01-23 04:40 PM
