ATS Install, and other things along the way..

Chris Helton

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Time to tear the ugly truck (86 6.9 4x4 extend) apart. I'm installing an 088 ATS kit which I found on Ebay and probably paid to much for, but everything was there, even the valve cover fasteners. Like every other project, it turns into more than just, bolt her up, and drive. After getting the kit, which was in pretty good shape considering the age, I decided a little clean up was in order, so everything got bead blasted, and re-coated.The turbo had a bit of play in it, so I tore it down, and found the compressor wheel had seen better days, so Russ provided me with a balanced wheel, and after throwing a kit at it, play is gone. I'm putting a Diamond Eye 4 inch exhaust on her. Definitely overkill, but the cost of welding up a 3 inch would have been more in parts and time, and the Diamond Eye kit is very nice. And, it will look pretty cool, just sayin'.
So, wife left for the weekend, weathers nice, time to start. I went through the top end 10 years and about 4000 miles ago (she doesn't get driven that much), so I'm not expecting to many surprises. Replaced the return lines and injector o-rings and washers. Valley pan looked a bit mealy, so Napa got 65 bucks ahead and I got a pretty one. Paint is drying on parts, and I'm hoping to get the engine compartment buttoned up tonight and the turbo in. I'll need to fab up a collector and intermediate pipe to tie the 3 inch down-pipe to the 4 inch exhaust. I'm running a muffler, as my younger, loud car days are gone, for the most part.

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Chris Helton

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Finally got moving forward with this project. She is currently running, and working through some minor teething problems. I ended up installing a valley pan, resealing the return caps and replacing all the fuel lines. Turbo and down pipe were wrapped with heat wrapping, and the turbo got a blanket. I installed a remote oil pressure sender, EGT and boost gauge. the return caps did not want to seal, three being problematic for one reason or other. She starts and runs. The additional power is very noticeable. I have been playing with the fuel a little bit, as she was really smokey on the initial setting. Backed it off a bit, and she isn't ******* the neighbors off as much. A buddy has the pick up to time the pump, and will probably check that next week.So far, I'm happy with the conversion.

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Chris Helton

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The Diamond Eye exhaust went on very easily. I welded up a 3-4 inch adapter, and utilized the stock exhaust mounts. The front mount has a little hime joint thing, which I welded up to a clamp. The muffler mount was used as well. Same idea, used a clamp welded to the old mount. Tail pipe mount used the stock rubber donuts, zapped up a piece of stock to another clamp. The pipe is a straight shot to the muffler, over the x member, and out at the stock location. It's kind of loud. Oh well. Sounds reasonably bad assed. And looks reasonably bad assed.
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Front mount
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Muffler mount
 

Chris Helton

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Soooooo, minor glitch. My crank case pressure seems to be a bit excessive. The motor is pretty high mileage, maybe 150k, maybe 350k, who knows. She does chug like a choo choo out the oil fill. I seem to be pushing some oil out various seals. This was not the case pre-turbo. I had a spare CDR, so I swapped it on, and doesn't seem to help. Thinking road draft at this point. I ordered a Banks adapter which mounts behind the filler. Thoughts?
 

bbjordan

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Could be rings, Could be wear in the valve stems.

Mine still had what I considered to be too much blow-by, even after I redid the rings. Tightly gapped at that! I decided to go with a road draft tube too. I didn't want all that blow-by crap going back into the engine anyway. I suspect the pressure was getting by the valve stems. It has been recommended not to put tight seals on the valves to aid in lubrication because of the increased pressure on both the exhaust and intake systems.

Did you retard the timing at all after putting on the turbo?
Too much advance will also increase blow-by.

If it chugs, it might be about time for a rebuild tho.

My 6.9¢ worth.
 

Garbage_Mechan

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If it wasn’t leakin/using oil before the turbo didn’t cause it unless you got EGR too high and scored a cylinder.
CDR does nothing to control blow by. It is there for emergencies only to prevent a run away by excess vacuum pulling oil from crankcase. Crankcase ......Depression (think vacuum, which is air pressure below atmospheric) .......Regulator. In the unlikely event the engine air intake was plugged or severely restricted the CDR would block off the path to prevent a run away by running on the crankcase oil.
 

Chris Helton

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Copy. I only drove it a short distance, and EGT never went over 600. My assumption is I never noticed the excessive blow by prior to the turbo. Rings could be coked up but most likely just tired. I’ll run a road draft and see how it does, if it’s a problem, find a block to freshen up.
 

The_Josh_Bear

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If it wasn’t leakin/using oil before the turbo didn’t cause it unless you got EGR too high and scored a cylinder.
CDR does nothing to control blow by. It is there for emergencies only to prevent a run away by excess vacuum pulling oil from crankcase. Crankcase ......Depression (think vacuum, which is air pressure below atmospheric) .......Regulator. In the unlikely event the engine air intake was plugged or severely restricted the CDR would block off the path to prevent a run away by running on the crankcase oil.
@Garbage_Mechan
I think you meant "EGT too high". Great advice and thinking BTW! I'm learning a lot from you lately.
 

79jasper

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A RDT isn't going to make it any better. If anything run it back to the intake, but gut the CDR and run a catch can. You can make one yourself.

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Chris Helton

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Agreed, she’s not going to heal herself. I’m hoping to avoid blowing out gaskets over the short run. A buddy has a 6.9 core and a ZF 5 core. Next projects.
 

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