What did you do to your NBS GMT800 Tahoe/Yukon Today?

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Rocket Man

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a4edwin

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I’m a very long process of adding a turbo. The turbo needs an oil feed and a return line. That’s where it will return to the motor.
 

Rocket Man

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I’m a very long process of adding a turbo. The turbo needs an oil feed and a return line. That’s where it will return to the motor.
Why don't you just do it at the oil cooler lines on the driver side of the pan? If you don't have an oil cooler then there's a block-off plate there, so you could just get the parts from a rig that does have a oil cooler.
 

a4edwin

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I don’t have the cooler on mine. But that’s pressurized and that’s going to be the oil feed to the turbo
DFEDEFAF-540C-4F65-805F-D8ED5D88A504.jpeg
thats the adapter that goes on the drivers side for the feed
 

Rocket Man

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I don’t have the cooler on mine. But that’s pressurized and that’s going to be the oil feed to the turboView attachment 185720thats the adapter that goes on the drivers side for the feed
It has a return also, thus the 2 holes on mine...the oil cooler has a feed and a return , just like the trans cooler. The turbo needs a feed and a return, right? Seems simple to me.
 

a4edwin

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Gravity does the job of draining the oil from the turbo so it needs as much of a straight line as possible back to the motor. The turbo mounts on the front pass side of the motor. The feed is located towards the rear on the drivers side
 

Rocket Man

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Gravity does the job of draining the oil from the turbo so it needs as much of a straight line as possible back to the motor. The turbo mounts on the front pass side of the motor. The feed is located towards the rear on the drivers side
Gotcha.
 

#1taho

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Yeah I don't have a build page but thought about going back to that thread and adding details about the swap. I'd be happy to offer help and answer questions. There is a lot of info out on the swap but I had to piece it together.

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I will be piecing it together also.
Did you make your crossmember?
What did you do for your exhaust? I am hoping to use my factory exhaust with minimal changes.
 

bottomline2000

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I will be piecing it together also.
Did you make your crossmember?
What did you do for your exhaust? I am hoping to use my factory exhaust with minimal changes.
I used a custom crossmember made by dirttrackracer..he's a member on Pt.net. it's a quality piece. I painted it chevy red/orange since it's unfinished metal and didn't want it to rust. I run longtube dynatech headers and their ypipe and the crossmember frees up a lot of space. I could run factory exhaust no problem..
6f9370a5f564ce4799a9663a1e3e7e20.jpg


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b67725ae41cd3a7aa627fe394cb6367d.jpg
1c54d5abf22edfd8ce0f7fc00a62b1b2.jpg
 
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#1taho

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I used a custom crossmember made by dirttrackracer..he's a member on Pt.net. it's a quality piece. I painted it check red/orange since it's unfinished metal and didn't want it to rust. I run long dynatech headers and their ypipe and the crossmember frees up a lot of space. I could run factory exhaust no problem..
6f9370a5f564ce4799a9663a1e3e7e20.jpg


Sent from my SAMSUNG-SM-T377A using Tapatalk
b67725ae41cd3a7aa627fe394cb6367d.jpg
1c54d5abf22edfd8ce0f7fc00a62b1b2.jpg
What did you do for drive shafts ?
 

bottomline2000

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What did you do for drive shafts ?
I'm 2wd so all I had to do was swap the front yoke on my drive shafts and use a hybrid ujoint.the 4l80 has a much larger output shaft rpthan the 4l60..this is the yoke installed on the ds with the truck on the ground. No vibrations or issues at this time..
af45a2833bd07e8fb3e860273bdb196e.jpg


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ScottyBoy

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New brakes all around. Pads/Rotors etc.
Fixed rear axle seal (had a leak)
and another alignment. 3rd one!

How
d234.jpg


How much of a pain is it to do that rear axle seal? Last time I looked under my truck it looked like I'm starting to get some slight seepage on my driver's side rear axle seal.
 

95escahoe

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How much of a pain is it to do that rear axle seal? Last time I looked under my truck it looked like I'm starting to get some slight seepage on my driver's side rear axle seal.

You need to pull the axles to replace them, there's a few vids on YouTube


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Sevenevez

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How much of a pain is it to do that rear axle seal? Last time I looked under my truck it looked like I'm starting to get some slight seepage on my driver's side rear axle seal.

as much as i would love to say i did it. i didnt. my buddy is a mechanic, so i got him involved on this one. he had to pull both the shafts out to do it and then refilled with new diff oil. he said it wasnt bad, but that it was eating at the eBrake pads so it was inevitable that it had to be done. Took him about an hour and a half
 

PG01

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How much of a pain is it to do that rear axle seal? Last time I looked under my truck it looked like I'm starting to get some slight seepage on my driver's side rear axle seal.
Not bad at all Scott, and you seem to be more of a mechanic than most. I replaced both backing plates on my 01 due to rust and rot, damn salt, and not the 2 piece crap ones, which meant i had to split the rear. While i was there i did the seals since the axles were out. Most important thing I remember is to get the c clips in the right way otherwise they will slip off and bye bye axle...this was 7-8 years ago and i am by no means a mechanic. Get your nose plugs out tho...
 

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