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evo3 16g or Precision SCM-5031 turbo

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zeekster777

10+ Year Contributor
523
0
Dec 31, 2009
valley center, California
im about to get a new turbo, and i found what i think is a good deal on a Precision SCM-5031 turbo . but is a evo3 big 16g better?
 
You need to do some research. The SCM5031 is a 54mm turbo, whereas the Evo 16g is a 48mm. 8mm's is the difference between a GT35R and a GT42R.

The E16g is rated near 380hp, but people have gotten north of 400 on E85. I personally had the SCM5031, and had 490hp with pump gas. Spool up was only about 1,000 rpm's later.

If you have the money for the supporting mods, definitely go with the 50 trim. Just be sure you feed it from the OFH instead of the head. Also, if you removed your balance shafts, you will need to run an inline restrictor. 0.085" should do the trick. The MHI turbos usually have restrictors built in.
 
ok but what is OFH. and i still have my balance shafts. is that ok i was going to remove it when i did a head gasket and other stuff
 
o ok thanks and is it cool if i still run my balance shafts? im not shure what he was saying about that but i think it ok ya
 
Yes it's ok. If you don't run them you have higher oil pressure and some turbochargers will require that you run a restrictor so that you don't over oil the turbo. Just do your homework as you are right now to make sure you get all the components right for your setup and you'll be fine.
 
I vote Evo III 16G.

The airflow for the price is unbeatable, it will spool faster than anything Garrett-based in it's airflow category, it's hands down more durable than any journal bearing Garrett hybrid on the market, and is a direct-fit upgrade for a manual 1G DSM, meaning it will use all of the existing oil lines and water lines.

By the time you pay for the 5031E, buy all of oil line accessories, then pay to have it rebuilt once a year (or more) you'll wish you had an Evo III 16G on your car.
 
Eh, I would never buy something from FP.

You will get bored with the 16g after about a week.

Rebuild every year? I swear you smoke crack. I had mine boosting over 30psi for 3.5 years before I sold it. It was in great shape when I sold it.

You just need to keep up on your oil changes, run an oil cooler (I have a 12"x12"), and properly cycle the hot oil out of it after hard runs. Also be sure to prime it before starting up for the first time.

An added benefit of it is you can pull it without draining your cooling system since there are water lines going to it.

Also should point out since some of you didn't catch it. He said SCM, which means it is the bolt on. ;)
 
o man thanks again 4 the 411 it all helps and i am looking at a kit i found on a classified ads
this was the post....
SCM-5031 (PTE 50 trim) complete bolt-on setup
posted by: BoostBuddyGSX

Price: 1200

Location: Cranford, New Jersey
Zip Code: 07016
Buyer/Seller Rating: 4

and this is every thing

The items I'm selling I bought brandy new, and now have less than 1500 miles on them! I have them up for sale because I'm going bigger :) 2.4L/1g head combo (shhhhhh.....) I am PayPal verified and I hope you are too! If you're interested, it's a lot easier to call/text me, my name is Johnathan 908 499 0810 thanks!!

FOR SALE:

"These turbos put guys like Hill, Cokic, Blaha, Brown and others deep into the 10 and even 9 second region. These turbochargers retained the mass produced OEM turbine housing for ease of installation, but were packed with much larger TD06H turbine wheels to satisfy the ever increasing exhaust flow requirements of the high powered DSM. Hacked? Maybe- but they were freakin fast!"


Precision SCM-5031 turbo (DSM bolt-on)
-rated for 450+ hp
-54mm wheel diameter
-2.123" inducer, 3.000" exducer= 50 trim
-3" compressor inlet
-2" air outlet
-360 race journal bearing
-.63 A/R turbine housing
-slightly ported turbine housing
-internal WG port properly blocked off
-I'll throw in the oil lines as well ;)
-RETAIL price is $975 W/O porting and WG block-off
Information provided by: Precision Turbo & Engine - Turbocharger, Intercooler, Fuel Injector, Performance Parts & more!

SBR Cast exhaust manifold
-tapped for EGT probe (plugged for now)
-flanged for a 38mm external wastegate (provided in package deal)
-DSM outlet
-I'll throw in the ARP turbo bolts
-RETAIL price is $550.77 +shipping

TiAL 38mm external wastegate
-RETAIL price is about $250 +shipping
-I'll throw in the dump tube I had custom-made
-More info here: TiAL Sport.com

Megan Racing SS o2 housing
-Stainless steel
-2.5" outlet (DSM bolt-on)
-o2 sensor NOT included!!
-RETAIL price is $135 +shipping
-More info found here : http://www.dsmparts.com/customer/pro...3&bestseller=Y

All my pics are OF THE TURBO I'm selling, no Google pics here. What you see is what you get. I'm asking for $1200 plus $50 for shipping. You know that's a freakin steal. PM or text 908 499 0810 if interested. Thanks!!
Attached Files
 
I'm always cautious when it comes to buying used turbos as you don't know how the previous owner took care of it. I was assuming you got a deal on a new one. (Lots of black friday deals going on from vendors right now).

He doesn't mention anything about shaft play, if her turbo timed it, if he cooled the oil, etc.

With that being the case, I would look for something else, but that's just me.
 
do you have the injectors, pump, regulator, intercooler, clutch, TUNING to run that turbo??? thats another $3000 or more to run that turbo properly IMO
 
thanks that is the help i need i will look into what you said i just thought that was a good deal but ill try to find new

do you have the injectors,NO BUT IM LOOKING
pump, NO BIT IM LOOKING
regulator, WHAT IS THIS??
intercooler, LOOKING
clutch, YES
TUNING to run that turbo??? I HAVE A APEXI AVCR, AND A APEXI AIR FUEL, AND A GM MAFF AND TRANSLATOR DO YOU THINK THATS GOING TO WORK??
 
do you have the injectors, pump, regulator, intercooler, clutch, TUNING to run that turbo??? thats another $3000 or more to run that turbo properly IMO

Why do you think he needs to spend 3k to run a 50trim turbo just curious? I think one of the things I have seen with most mitsubishi modifications is that everyone follows the same path and does the same thing no thinking outside the box. For example how many sets of injectors did you buy before arriving at your present set? I say if you are getting a good deal on a 50 trim then go for it I agree that a 16g becomes boring after a while I know I am wished I had bought a 50trim to replace my 14b and why do you think that a 50trim needs to be rebuilt every year?????? I say go big or go home looking at a holsethx35 now and yes i know you need the supporting mods...
 
tuning=600
injectors=250
fuel pump=150
intercooler=400

shouldnt cost more than 1500 running dsmlink
 
Yo definitely don't need 3000 to run any turbo set up LOL. For a pump you can use a evo9 fp and they don't require a after market FPR (FUEL PUMP REGULATOR). As for injectors that all depends on what your doing to tune with. A simple safc will only be able to control 660's. If your going with dsmlink you can get 1200 and have them idle and drive like stock. As for a intercooler you can use the stock one for the mean time. If you need a evo fp i might have laying around.
 
pretty much it comes down to what your goals are for this car.

both turbos are good turbos .
the evo3 is smaller there for less overall power but quicker spool.
how long they last is depending on how well you take care of them and how much you mash on them.
like they said you need specific mods to your car before you can run any of these to their potential.

i currently have the evo316g fully ported and i love it ... great street turbo for my taste with the extra kik i need when i want. but i know im getting to that point where the evo turbo wont satisfy my thirst for power but till then im happy with it.

dont wast your money till youve done the research and know what your doing. many just dump their money dont get what they expected and then just bash on the car giving it bad rep when it was lack of knowledge that was to blame.

read read and read some more and in the end youll make the choice YOU want to make.:thumb:
 
EVO 3 16g all the way

easier on your pocket and its good for you now at this stage since you are new to the tunning world . take it easy and go for the evo3 at the moment and later on you can change but i doubt that you wont like the power of the evo3.

good luck
 
Rebuild every year? I swear you smoke crack.
Tell that to the numerous PTE customers of mine who cannot get more than 1000-1500 miles out of their PTE turbo before it begins to smoke, gets shaft play for no reason at all (no evidence of oil contamination or lack of oil), or the thrust washer explodes. So you got a good one....I've literally seen Chinese eBay turbos with better reliability than the garbage that PTE puts on the market.

I'd trust anything MHI over a journal-bearing PTE.
 
Your opinion, my opinion.

I have never seen a failed one, so I can't say for certain what their weak spot is. My money is on improper maintenance. They may be finicky, but they're not guaranteed to fail.

Edit: I take that back. I have seen one fail. And it happened within one week of installing it. It was installed from the head with no inline filter. There was also no oil cooler in the engine, not even the liquid cooled oem one. On top of that, there wasn't even a radiator fan installed. I attribute that one to piss poor maintenance and installation. Other turbos may have been able to hold up to those conditions, but what do you expect? Run an oil cooled turbo with boiling oil is a lot to ask out of it.
 
Your opinion, my opinion.

I have never seen a failed one, so I can't say for certain what their weak spot is. My money is on improper maintenance. They may be finicky, but they're not guaranteed to fail.
I base my judgements upon facts I've observed with my own eyes, not hearsay.

Seven failed PTE's in this thread alone...and those are only ones that were at my shop for service since last year when the thread was created....we're not counting the turbos which are sent back to PTE for repeated service. There's no way that all of these customers are practicing improper maintenance habits. In many cases they got fed up and bolted on a turbo of a different brand (MHI, BW, Holset) and that replacement is still on their car and boosting to this day.

It's pretty safe to say that a certain percentage of turbos built by any manufacturer may fail without warning, but from what I've seen with my own eyes it's much more likely to happen with a journal-bearing PTE unit.
 
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