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Turbo Upgrades
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=64067		 Page 1 of 1
Author:  Dieselfan1984 [ Thu Dec 08, 2011 7:58 pm ]
Post subject:  Turbo Upgrades
Since I am unable to use the search feature, does anyone know of anyone doing turbo upgrades for these Jeeps? I was thinking that a hybrid using a GT22 size compressor with the GT20 turbine that's already on the motor. Any ideas?

The other thing I thought about was something like using a GT17 over GT25 compound setup? Not sure these motors would hold up. I'm new to these motors.

P.S. Since I have to log in very 2 seconds (literally) or login 5 times just to post, I may not be on this site much while I'm in Brazil for work until I get back home...then see how the site works in Houston.... :|
Author:  ATXKJ [ Fri Dec 09, 2011 6:56 pm ]
Post subject:  Re: Turbo Upgrades
Howdy Dieselfan - Welcome to LOST
The key to the Search feature - is to use Google Advanced

there are a couple of folks who started talking about different Turbos - don't know that they ever posted results - the one I do know is that GreenDieselEngineering has a new Turbo and tune - which does work (although not sure they have them in stock - check with them)
http://www.greendieselengineering.com/goPage.do?method=home
Author:  Joe Romas [ Fri Dec 09, 2011 7:04 pm ]
Post subject:  Re: Turbo Upgrades
X2 on the green diesel turbo upgrade :BANANA:

As I understand it consists of the latest version that is used on the current VM engines used in new jeeps, RA428 I think and the 05 and 06 use the R428, and is controlled by a servo motor instead of vacuum and it includes a their tunes specially for it :ROTFL:
http://www.vmmotori.it/en/01/00/01/dettaglio.jsp?id=56

their tunes are fantatic.
Author:  NotPicky [ Wed Dec 14, 2011 9:47 pm ]
Post subject:  Re: Turbo Upgrades
ATXKJ wrote:
Howdy Dieselfan - Welcome to LOST
The key to the Search feature - is to use Google Advanced

there are a couple of folks who started talking about different Turbos - don't know that they ever posted results - the one I do know is that GreenDieselEngineering has a new Turbo and tune - which does work (although not sure they have them in stock - check with them)
http://www.greendieselengineering.com/goPage.do?method=home


I'm one of those couple folks. Still working on a Non VGT turbo upgrade. GT2560R (ball bearing / water cooled center section). Hopefully springtime. Heres the link to my build

viewtopic.php?f=5&t=59936
Author:  warp2diesel [ Wed Dec 14, 2011 10:21 pm ]
Post subject:  Re: Turbo Upgrades
What ever turbo you hang on your manifold, toss that stock muffler for a 2 1/2" all the way through and get rid of the 2 1/8" choke point in the rear cat flange. I put a gauge into my head pipe behind the turbo and those two mods dropped the back pressure from 5 PSI to 0 PSI.
Then invest in a good EGT and boost gauge and watch them both.
If you want to see what the intake sees and engine cares about, plumb the boost gauge into the intake.
If you want to impress the less informed, plumb the boost gauge into the discharge of your turbo, it will read up to ~5 PSI higher. The intercooler cools down the charge making it more dense so you can cram more into the engine, so the pressure drops across the intercooler, but you get more air into the engine :) .
If you want to get more out of your intercooler in hot weather, install the Hayden Heavy duty Viscous fan clutch and the V6 11 blade fan. Chances are your stock viscous clutch is already a piece of crap and the fan they put on was a Bean Counter special. Since I made the Hayden/V6 mod my hot weather EGT has dropped and the AC works better.
Dropping the EGT for the same charge going into the engine also helps the turbo bearings last longer.
If you want to get more even more air into the engine and not have black smoke out the exhaust, do to the EGR what Seal Team 6 did to Bin Laden. I am using ORM and plan to go to SEGR. The GDE tunes shut off the light but only reduce EGR, it does not kill it off.
There is a pipe going to the EGR valve that goes into the manifold you need to loosen up to change glow plug #3. To see the pipe flange, remove the two bolts that mount the fuel filter and swing it up out of the way. Loosen up the two bolts that hold the pipe to the flange and slid in a piece of exhaust gasket material, then tighten the two bolts. Now the EGR is DOA. Tuners have to recommend against the blocking off the EGR by law, but they cross their fingers when they say it or tell you only for off road use.

May the Bean Counters and Tree Huggers Fart them selves into the Emergency room :ROTFL: :ROTFL: :ROTFL:
Author:  NotPicky [ Thu Dec 15, 2011 12:28 am ]
Post subject:  Re: Turbo Upgrades
The custom adapters that I helped design are available on ebay. Our CRD manifold to T3 or T25 flanged turbos.

http://www.ebay.com/itm/GT2056V-turbo-T ... es&vxp=mtr

http://www.ebay.com/itm/GT2056V-turbo-T ... es&vxp=mtr

Joey Fanguy is the guy that worked with me. So anyone that wants to tinker with new aftermarket turbo choices, here is your first step.
Author:  CATCRD [ Fri Dec 16, 2011 12:01 am ]
Post subject:  Re: Turbo Upgrades
Very cool. I'm looking forward to seeing your rig in person one day.
Author:  Hoosier CRD [ Fri Dec 16, 2011 6:52 am ]
Post subject:  Re: Turbo Upgrades
Hi DieselFan1984,

Welcome to the Forum-you are among friends.

Not necessarily one who is developing an upgraded turbo for our mongrel, I do have an interest in the Garrett 2860RS, "The Disco Potato" turbo. The 2560 that Not Picky is workng with is the little brother to it and likely more realistic for our application.

Warp2, man I gotta say that you have certainly given some great insight with your post above---thank you.

Diesel Fan, what Warp2 posted is a great example of the level of knowledge some folks here have with regard to our CRDs. There are others too such as Not Picky and ATXKJ. Take their information to the bank.

FWIW,

Hoosier CRD
Author:  dieseldoesit [ Fri Dec 16, 2011 1:13 pm ]
Post subject:  Re: Turbo Upgrades
warp2diesel wrote:
The intercooler cools down the charge making it more dense so you can cram more into the engine, so the pressure drops across the intercooler, but you get more air into the engine :) .

I don't think that is right. There is a pressure drop because there is a restriction to the flow of air through the intercooler. There is a benefit to the engine (increase in power) because the loss in boost pressure across the intercooler has a smaller effect on the engine then the large reduction in temperatures.

The reason the reduction in temperature has a higher effect on engine output is not because it crams more air due to being more dense (though it does help) but mostly due to the increased efficiency coming from the large temperature delta between the combustion temperature and the incoming air.

Take a look at Carnot..
Author:  CATCRD [ Sat Dec 17, 2011 12:39 am ]
Post subject:  Re: Turbo Upgrades
NotPicky wrote:
ATXKJ wrote:
Howdy Dieselfan - Welcome to LOST
The key to the Search feature - is to use Google Advanced

there are a couple of folks who started talking about different Turbos - don't know that they ever posted results - the one I do know is that GreenDieselEngineering has a new Turbo and tune - which does work (although not sure they have them in stock - check with them)
http://www.greendieselengineering.com/goPage.do?method=home


I'm one of those couple folks. Still working on a Non VGT turbo upgrade. GT2560R (ball bearing / water cooled center section). Hopefully springtime. Heres the link to my build

viewtopic.php?f=5&t=59936


I'm wondering about your calculations you used to pick the 2560. At our altitude the pressure ratio to support, say, 250hp and 18:1 AFR just gets huge - like over 3, which is off the map of the 2560. What are the power/pressure/flow levels you're working from?
Author:  NotPicky [ Sat Dec 17, 2011 4:16 am ]
Post subject:  Re: Turbo Upgrades
CATCRD wrote:
I'm wondering about your calculations you used to pick the 2560. At our altitude the pressure ratio to support, say, 250hp and 18:1 AFR just gets huge - like over 3, which is off the map of the 2560. What are the power/pressure/flow levels you're working from?


I've been working with majestic turbo out of Waco TX. There are so many variables when it comes to figuring out which turbo best suits your engine. That is why I looked to the main turbo guy there (his name escapes me) for help with this setup. He thought that the GT28 is a little to big to spool. So thats why my test is starting with GT2560. Its bigger that the gt2056v but smaller than the gt2860r "disco potato". The maps between the gt25 and gt28 are very similar. Pressure ratios change due to what size turbine wheel and housings are. The GT25's map is shifted father to the right of the map. With less pressure it provides more lbs/min.

I'm still learning about turbo mapping, but that's why I'm using different resources to aid in this build.
Author:  CATCRD [ Sat Dec 17, 2011 6:28 pm ]
Post subject:  Re: Turbo Upgrades
Sounds good. Can't wait to see it in action!
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