[GLTHFJ60]

Originally Posted by VTCruiser

I still need to order my gauges, some exhaust tubing and figure out how to route the turbo with future sliders, which should give me time to break in the bearings somewhat. But, I want it on and running in two weeks to give me time to tune it and work out the bugs before I leave after july 4th...!

You should be able to get it on in 2 weeks. If you have the intake all figured out already then the exhaust will be the only hard part.

Two weeks is a good goal. I'll be tuned in, and good luck!

[72cruiser]

Originally Posted by VTCruiser

I still need to order my gauges, some exhaust tubing and figure out how to route the turbo with future sliders, which should give me time to break in the bearings somewhat. But, I want it on and running in two weeks to give me time to tune it and work out the bugs before I leave after july 4th...!

so when's the trip to nashville for the sliders?
been able to get my hands on some decently priced DOM lately...


malphrus

[VTCruiser]

Originally Posted by 72cruiser

so when's the trip to nashville for the sliders?
been able to get my hands on some decently priced DOM lately...


malphrus

i'll have to get back to you about that...

[Trollhole]

Gehn where are the pics. I know your working on something.

[VTCruiser]

Originally Posted by Trollhole

Gehn where are the pics. I know your working on something.

Okay, okay...First of all here are the BEB's. A little wear but nothing i wouldn't expect after 120k miles. No excessive pitting or scoring either but I'm glad I did it anyway. I have over 200 miles on the new ones now and all is well.

1Rod 2Rod 3Rod
1Cap 2Cap 3Cap

4Rod 5Rod 6Rod
4Cap 5Cap 6Cap



More importantly, I installed the turbo! So far, I am really pleased with this kit. I started with replacing the intake gaskets. These didn't come with the kit, but due to the higher mileage i figured it couldn't hurt.

The start


Intake off


Old vs New


Intake back on


The kit came with a new front exhaust manifold with the correct flange for the CT26. I tapped it for the pyro, and then reused the old rear manifold.


I re-assembled the turbo to the exhaust manilfolds and installed it all at once. In retrospect I should have bought all new exhaust manifold studs, but fortunately I didn't strip or break any.

A buddy who came by to help out


Turbo Assy in!




Intake hoses installed


I was a little nervous about taking apart the injection pump to install the boost compensator but it really wasn't too bad since it was just a matter of swapping out the top cover.


With the turbo in, I wired up all the new autometer gauges (boost, EGT, oil pressure). Since the stereo was moved to the console, I made a "custom" panel out of aluminum to mount them in the stock radio spot. They came out pretty well. For the factory look, I used the green bulb covers they came with and I wired to the OE dash light dimmer.


in place


Here's a pic of the Amsoil bypass filter which installed earlier which feeds the turbo with extra clean oil.


It took a little while to get it started initially. I was careful to replace my full-load adjustment screw at exactly the same depth as it was in the old injection pump cover, but apparently the two are calibrated completely different. I ended up having to turn it in about 2-1/4 turns to get it to start, and then another 1/2 after the tune. Out of the box the actuator is set for 8 psi, which is fine for now. I tuned the injection pump accordingly and I am very pleased with the result. I can actually accelerate up hills now! In time, I hope to run about 12-15psi but I want to go slow for break in and see how my fuel mileage is affected as I go.

That being said, I should have done this years ago...

[72cruiser]

congrats bud!


malphrus

[VTCruiser]

Originally Posted by 72cruiser

congrats bud!


malphrus

thanks malph!

[Sput]

Thanks for the turbo info. I have a HZJ105 for expeditions... and really need some boost.

Please, how do you find the exact amount of diesel to 8 psi (injection pump tune)
Thanks,
I'm loving your project.

[VTCruiser]

Originally Posted by Sput

Thanks for the turbo info. I have a HZJ105 for expeditions... and really need some boost.

Please, how do you find the exact amount of diesel to 8 psi (injection pump tune)
Thanks,
I'm loving your project.

I tuned the fuel by the pyrometer. Turning up the fuel creates power and heat, so i tuned it according to my EGT (exhaust gas temperatures). A rule of thump is about 1200F max on long hill climbs.

[VTCruiser]

Exhaust is going on Friday!

Updated to do list:

• Finish split bench install
• Intall locker cables
• replace front driveshaft
• replace/balance rear driveshaft
• install Nation Luna dual battery kit (on the way)
• wire in aux power outlets
• install ARB (on the way)
• install a winch
• mount the RTT
• repack rear hubs
• change gear oils
• find a spare tire
• Hookup/Charge the A/C
• build a cargo system
• Clutch?

holy crap....

[GLTHFJ60]

Originally Posted by VTCruiser

Exhaust is going on Friday!

Updated to do list:

• Finish split bench install
• Intall locker cables
• replace front driveshaft
• replace/balance rear driveshaft
• install Nation Luna dual battery kit (on the way)
• wire in aux power outlets
• install ARB (on the way)
• install a winch
• mount the RTT
• repack rear hubs
• change gear oils
• find a spare tire
• Hookup/Charge the A/C
• build a cargo system
• Clutch?

holy crap....

I hear you! My list is pretty long too. Good luck!

[ClemsonCruiser]

Originally Posted by VTCruiser

Exhaust is going on Friday!

Updated to do list:

• Finish split bench install
• Intall locker cables
• replace front driveshaft
• replace/balance rear driveshaft
• install Nation Luna dual battery kit (on the way)
• wire in aux power outlets
• install ARB (on the way)
• install a winch
• mount the RTT
• repack rear hubs
• change gear oils
• find a spare tire
• Hookup/Charge the A/C
• build a cargo system
• Clutch?

holy crap....

I feel your pain...... just finished up my list See you in New Mexico

[BosBok]

Awesome build and good luck.

I've got a 2H in my HJ that will soon receive a Safari turbo (without boost compensator though). Time is just not on my side.

That plan you made with the hand throttle is absolutely fabulous...mind if I copy it

[VTCruiser]

It's been a crazy couple weeks. I preparation for a continental divide trip I got the locker cables in, installed dual batteries with a National Luna isolator, mounted the RTT, borrowed back my old cargo drawers and was going to pick up a ARB and 8274 on the way out west. The truck was looking pretty good.

I was all packed up yesterday and on my way when I had a very unfortunate turn of events. I got about 30 miles from home and blew an oil line, the turbo feed line to be specific. The turbo is toast (lots of shaft play and ugly noises), hopefully rebuildable but I wont know until I pull it off. On the bright side, the 1HZ seams okay despite the brief loss of oil pressure. We'll see...

Needless to say, the continental divide trip has been postponed indefinitely and I am going to have to cancel the ARB and winch purchases and sell the RTT to raise some cash just to get the cruiser back on the road. Oh, and to add insult to injury the complete underside of the 60 is now black with oil. Awesome.

and if just one more person says I'm "lucky" because it happened so close to home.........

[ntsqd]

What make is the turbo? A bearing kit usually isn't all that much $$$, just depends on if you hurt the turbine or impeller wheels or not. For all of their tight tolerances, turbo's themselves are not very complicated.

Doby at TurboPower was a real help in getting my 1600cc Ribbit's turbo set-up & then later rebuilt (I missed something important - no fault of his).

[VTCruiser]

Originally Posted by ntsqd

What make is the turbo? A bearing kit usually isn't all that much $$$, just depends on if you hurt the turbine or impeller wheels or not. For all of their tight tolerances, turbo's themselves are not very complicated.

Doby at TurboPower was a real help in getting my 1600cc Ribbit's turbo set-up & then later rebuilt (I missed something important - no fault of his).

It's a Toyota CT26. I won't know until I get it off, but judging by the amount of shaft play and sounds it makes, I'm worried about the impellers...

[ntsqd]

ooh, isn't that really a Hitachi?

What I was told, and it was a long time ago, was that the cash for a bearing kit for an Hitachi would buy a whole Garret/AiResearch and be a better turbo to boot.

[VTCruiser]

The "housing sub-assembly" (17021-58010) which appears to the entire impeller/bearing assembly is $1000 via toyota with member discount. Yikes.

[VTCruiser]

Originally Posted by ntsqd

ooh, isn't that really a Hitachi?

What I was told, and it was a long time ago, was that the cash for a bearing kit for an Hitachi would buy a whole Garret/AiResearch and be a better turbo to boot.

I don't know who actually makes it, but it ain't cheap. I'm going to see what it'll cost through AAI. I'd consider a Garrett, but then I'd probably have to re-plumb everything if I do which would defeat the purchase of the kit in the first place...

*sigh*

[ntsqd]

Have you opened it up yet? Can usually pop off the compressor & turbine housings very simply. Check the vanes for damage & go from there.

FWIW: my work. No, they are not yet available to the public.

[VTCruiser]

Originally Posted by ntsqd

Have you opened it up yet? Can usually pop off the compressor & turbine housings very simply. Check the vanes for damage & go from there.

FWIW: my work. No, they are not yet available to the public.

Nope, haven't had a chance yet. Hopefully this week...

VERY cool work BTW. Your company or are you an employee?

[ntsqd]

FWIW the bearing in the turbos that we base off of are held in place with small snap rings. A couple sockets, a torque wrench, and some snap ring pliers are all that it takes to replace the bearings on those. Ours is a bit more complex.....

Just a lowly employee.

[VTCruiser]

Originally Posted by ntsqd

FWIW the bearing in the turbos that we base off of are held in place with small snap rings. A couple sockets, a torque wrench, and some snap ring pliers are all that it takes to replace the bearings on those. Ours is a bit more complex.....

Just a lowly employee.

Thanks, let me know if you need a test guinea pig...

[72cruiser]

horrible to hear about this gehn. when you called and told me this morning that just killed me.

sorry my cell dropped the call, i was 3 floors underground and surprised i got the call in the first place.


later buddy,
malphrus

[AGreekBoy]

sorry to hear about that man. that sucks

[rutbeer]

I think you should google rebuilt CT-26 turbos. The Supra guys are constantly upgrading and there are used/rebuilt turbos commonly available on supra forums for under $500. Depending on what was damaged in yours, this may help.
Toyota CT26 Rebuild by Robert Pina

Don't forget ebay....here's one for $50!
ct 26 turbo :eBay Motors (item 280371312234 end time Jul-20-09 09:25:48 PDT)

[VTCruiser]

thanks rutbeer, but I've bought used and "rebuilt" turbos before and from my experience it's not worth the hassle!

I pulled the turbo yesterday. The good news is the hosing appears to be in good shape, though the compressor wheel does have some damage. A new balanced bearing assembly from AAI is a little under $700US and should make for an easy rebuild.

Hopefully the new rod bearing didn't run too dry. I guess I wont know until the cruiser is running again and can get it up to operating temp and can verify the oil pressure and listen for knock. We'll see. i may replace the bearings again anyway for piece of mind. For under $100 and a days work it might be worthwhile....

Turbo pics:

[ntsqd]

A note in the rebuild link says to "mark the compressor wheel and the nut before removal and to put them back exactly the same way." Implying that the comp wheel, nut, and turbine wheel & shaft are balanced as an assembled unit. I've not ever seen that done. While probably possible to do, it would be extremely ungainly and very much not something done in production.

The comp wheel is balanced by itself (to perfect or very nearly so), as is the turbine wheel & shaft (again to nearly perfect). Then they are assembled. Even at 120,000 rpm the amount that the nut can be off without being visibly off is so tiny that it is insignificant.

[VTCruiser]

Originally Posted by ntsqd

A note in the rebuild link says to "mark the compressor wheel and the nut before removal and to put them back exactly the same way." Implying that the comp wheel, nut, and turbine wheel & shaft are balanced as an assembled unit. I've not ever seen that done. While probably possible to do, it would be extremely ungainly and very much not something done in production.

The comp wheel is balanced by itself (to perfect or very nearly so), as is the turbine wheel & shaft (again to nearly perfect). Then they are assembled. Even at 120,000 rpm the amount that the nut can be off without being visibly off is so tiny that it is insignificant.

thanks for the tips. From the way it was described the bearing assembly I can order is the "CHRA" in that procedure which is the entire rotating assembly and comes assembled and balanced. Therefore, I assumed this means I can install it as such essentially just transferring the housings? I am going to wait to do the disassembly until the new parts arrive...

[ntsqd]

Since you're getting the whole center section, yeah, should be just plug it into your existing turbine and compressor scrolls and off you go. The only hiccup in the plan would be if your scrolls are different trims than the wheels on the new center section. If they spin freely inside the scrolls you're good to go!