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why is the 57 trim so popular?

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turboglenn

15+ Year Contributor
6,375
123
Nov 5, 2007
RIpley, West Virginia
i've been running a 57 trim in a TO4e housing for years now.. 've got a 62 ar hot side with a stage 3 hot wheel and this thing doens't come in untill 4200 RPM or so.. yea it makes great pwoer but it is slow to build ratio.. All ovee the web i see 57 TRIM STAGE III turbines recomended for DSM's everywhere..personaly i don't care for this turbo...

has anyone tried a 57 trim with a stage 1 turbine?..personally for the street, the laggy response kills me... i have a full stand alone so i can use "anti lag" and what not but what can i use to get full boost by 3200- 3599 RPM that's capable of 450+ HP?

..... all i want is full boost by 32 - 35 hundred Rpm and something that could put out 500 hp with the right motor setup...

any recomendations?




i'm drunk so i'm cutting this short..jsut got done welding up new IC pipes and re-wiring the main fan system

any info from experience is apreciated
 
I hate it when people talk about "stages".
"Stages" are usually refered to by people that dont know much about performance or what the part actually does or has modifications to it.

Such as a turbine wheel that has been clipped 10degrees to get more flow out of the housing/wheel combo.

That would be a stage 2? I guess? I assume? I've heard?
 
As for a real reply, I am looking for 500whp on pump gas all turbo.
My personal choice would be a borg warner S200 series,
OR
Garrett GT30, I'm sure either of those turbos would keep you happy for a while.
 
Just my input, you look like you've gotten a lot further than I am at this point (lack of cash inflow) but you could try possibly a 4" exhaust...again just trying to help.

Edit: Also my brother has a car setup for road course (so spool up is essential) He should be running 11's on the FP3052 w a 4" turboback and 2.25" intake, with some other stuff.
 
by stage III mean the exhaust trim ...stage III turbine..not a stage 3 turbo.. i've been around too long for that and i hate when some onew says "stage 3 turbo" myself... i have been drinking a lOT sop sorry if i come across worng, but i ihave taken an aprenticehsip at majestic turbo and worked ther for a while so i know what i'm talking about, just looking for spool times and power out puts from experience, not from maps alone
 
also...looking to stay with a t3/t4 hybrid as my manifold and ic PIPES ARE SALREADY SETUP FOR THIS COMPRESSOR HOUSING/TURBING HOUSING COMBO....damkn caps lock LLOL
 
Just my input, you look like you've gotten a lot further than I am at this point (lack of cash inflow) but you could try possibly a 4" exhaust...again just trying to help.

Edit: Also my brother has a car setup for road course (so spool up is essential) He should be running 11's on the FP3052 w a 4" turboback and 2.25" intake, with some other stuff.
4" exhaust is ridiculous. ROFL

Shep runs 7.7's in the 190's with a 3.5".
 
also, im not looking for 500 ho on pumpo gas...i'd be happyt with 400 max on 92 octane (with the proper tuning and maybe alky injection)

damn the vodka really kills my ability to make sense LOL
 
4" exhaust is ridiculous. ROFL

Shep runs 7.7's in the 190's with a 3.5".


Think he reversed his measurements, 4" inlet, 2.25" exhaust :shhh:


To the OP, I think you need to raise your spool restrictions abit to see the kind of power your after. 3200-3500 rpms is evoIII sized turbo spool characteristics & you aren't going to be laying 400 or so whp on pump with this size of turbo. One of the Garrett GT30 turbo's would be well suited for your power goals but depending on which version your still looking around the 4000 rpm spool mark.
 
Think he reversed his measurements, 4" inlet, 2.25" exhaust :shhh:


To the OP, I think you need to raise your spool restrictions abit to see the kind of power your after. 3200-3500 rpms is evoIII sized turbo spool characteristics & you aren't going to be laying 400 or so whp on pump with this size of turbo. One of the Garrett GT30 turbo's would be well suited for your power goals but depending on which version your still looking around the 4000 rpm spool mark.

This is correct, short of having one of the freak Evo 3 setups that actually does trap in high 110's. If you really really want 500 whp at low 3000 RPM, it's time to get a V8 with some sort of forced induction.
 
This is correct, short of having one of the freak Evo 3 setups that actually does trap in high 110's. If you really really want 500 whp at low 3000 RPM, it's time to get a V8 with some sort of forced induction.

+1.. A quick spool up usually nets nowhere near 4-500whp especially being at full boost by ~3500.. My suggestion would be either an FP Green or FP Red as they have semi-quick response and can make power in the range you're looking for..

But can I ask you why you would want such quick spool up? If you're FWD like your profile says then all it will do is blow the tires off once you hit full boost.. The good thing about the 4g63 is the ability to rev high.. Let the gears work in your favor by letting the rpm's drop in the range where you're already at full boost..
 
the main reason i want full bosst by 3500 rpm is for the times i'm shifting into 3rd and losing too much spool ( i babay my tranny and don't flat shift it ), plus it would be nice to have something remnisent of the days when i had a 16G and had to fight torque steer through every gear.
I don't like revving too high because the tranny doens't like to shift way up past 7k much and i would like a wider power band.

I've been told teh 60-1 actually spools faster than teh 57 on the mitsi motor, that or i've been thinking about going down to a 50 trim... teh 57 it's self is particularly laggy and known for taking a while to build pressure ratio.

So i was basicly hoping to hear from some guys running either 60-1 or 50 trims on a T3 hot side... actually i think i'd like the 57 if i went from a stage 3 hot side down to a stage II or I.... i already downgraded from an .82 AR hot side to a .62... 48 would be next but i'd rather try a smaller turbine wheel first and keep a decent AR on teh hot side
 
What you need to do is upgrade to a ball bearing center section, the boost recovery after a shift is much quicker then a std. thrust bearing. My FP3052 (a Garrett GT3076, FP turbine housing is equivalent to a T3 .63 A/R Garrett housing) basically recovers after a shift as fast as my evoIII did. This turbo should make your 400 whp goal on pump & has made well over 500 awhp on race fuel & the proper setup. A Garrett GT3082 is also another good choice it adds about 400-500 rpm in spool vs the 3076 but if you like to spend most of the time in the 25psi+ range, its probably worth the extra initial lag but will still have the faster boost recovery after shifts vs a std thrust bearing.
 
I hate it when people talk about "stages".
"Stages" are usually refered to by people that dont know much about performance or what the part actually does or has modifications to it.

Such as a turbine wheel that has been clipped 10degrees to get more flow out of the housing/wheel combo.

That would be a stage 2? I guess? I assume? I've heard?

You do realize Garret rates their exhaust wheels by stages?

Kind of makes you sound like you don't know what you're talking about when their clearly labled stage 1, 3 and 5 exhaust wheels.
 
my buddy also runs the FP3052 on his stock bottom end 2gen and couldn't be happier. he is running 2.25 IC piping with a large intercooler. Darin P is right. you should definetly look into a garrett 30 series for the power to spool time you are looking for
 
Darin and Terrible... what RPM are these turbos spooled by say starting out in 2nd gear and laying into it at about 2500 RPM and letting it build? And another thing that might be helpfull is that i spend most of my time at 20 PSI or below for reliability and good use for a dail driven street car.
 
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