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Old 11-30-2010, 11:19 AM   #451
i_got_turbo_do_you
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ditto! This list is good info
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Old 12-19-2010, 08:43 PM   #452
nedalrabadi
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any info about
HKS GT2835 PRO S and GT2835 KAI?
and how they compare to the GT or even GTX 3076 and 3071 ?
i don't know what to pick

Last edited by nedalrabadi; 02-18-2011 at 03:13 AM.
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Old 12-23-2010, 04:35 AM   #453
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Awesome post! thanks very informative! Any comments on the sts turbo?
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Old 12-26-2010, 04:58 PM   #454
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This list is so helpful, thank you!!
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Old 01-07-2011, 08:08 PM   #455
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any info on AMR CXR500 turbo, spool mostly. i have an 08 wrx and thinking of picking one up with a perrin top mount. im looking for 350whp+ 350+wtq with good responce.
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Old 01-11-2011, 12:03 AM   #456
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Default best turbo for a H6 legacy

what would be the best turbo for an H6 legacy
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Old 01-15-2011, 09:20 PM   #457
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great info! thanks!
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Old 01-18-2011, 01:09 PM   #458
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hey im new got a car for sale and cant post it till i have 3 posts heres number 1
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Old 01-18-2011, 02:02 PM   #459
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bump
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Old 02-07-2011, 03:24 PM   #460
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Quote:
Originally Posted by WRXRallyBlue View Post
Does anyone have any turbo/info requests that I can update?

its almost impossible to keep up with all the turbos being made now a days good job taking the time one suggestion tho
for some ppl they see 330-400hp rating then realize they need meth and race gas i would up date with pump gas numbers and meth or race fuel to cut confusion for those who look with out reading aka noobs good job so far tho
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Old 02-18-2011, 03:15 AM   #461
nedalrabadi
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any info about
HKS GT2835 PRO S and GT2835 KAI?
and how they compare to the GT or even GTX 3076 and 3071 ?
i don't know what to pick
p.s i have a jdm v8 ej207
taken from a v-limited
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Old 02-18-2011, 03:55 AM   #462
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Haha, I was looking at what the hell the GT2835s were like 2 weeks ago. They seem to just be the GT3076R in various packaging under for some reason the 2835 label.

The new GTX models look promising, and the new GTX3071 could be quite good. The compressor maps are shown in Proven Power Bragging.

The actual choice in turbo depends on the flow of the motor. For the EJ20, you also need to decide what rpm range you want to run. Do you want to wind out to 8k rpm or more? The higher you go, the bigger turbo you should look at if you want to keep holding boost till redline. Most of the time you're in the GT30 to GT35 range for flow, but any turbo that size will do great. A GT3076 can get you to 7500rpm. A GT3582 can get you to 9500rpm. If you're not going above 7500, then a GT35 has little place.

Basically it's like this:
6500rpm = 47 lb/min (21psi at redline) = 310whp
7500rpm = 55 lb/min (21psi at redline) = 370whp
8500rpm = 62 lb/min (21psi at redline) = 430whp

You're limited to around 21psi of boost for pump gas and the piston compression ratio which should give you 250 ft-lbs at the wheels. You can't make more torque without changing the fuel type or lowering static compression, so the goal for hp is to rev out the motor as far as needed to reach the hp goal. Then you simply run a big enough turbo that will hold boost till that rpm. A GT3076 is a 55 lb/in turbo. A GT3582 is a 65 lb/in turbo. There are a lot of other turbos out there though around these ranges. The newer FP Green is 56 lb/in, the FP Red is 65 lb/in. The Element Tuning GT52 is 52 lb/in and the GT65 is 65 lb/in. Really these are modified Garret turbos, obviously, with various intended goals for the modifications.

If you aren't looking to hold boost till redline, you can always go smaller. 14.7psi at redline is 42 lb/in or roughly 370whp. An Element tuning GT49 fits that at 49 lb/min, Forced Performance 68HTA at 47 lb/min, a Garret GT3071, GT2871, 20G, and almost an 18G at 41 lb/in. These are fast spooling turbos that won't hold till redline but will still hold some boost while tapering off lightly and giving you a broad, flatter hp curve on top with slightly better spool up in the midrange.

All of this really depends on what you want from the car. A 7cm^2 18G or 68HTA are obvious choices for a good power and good spool. If you really want to max out hp, you're better with a GT3076 based turbo like the ATP GT3076, FP Green, or Element GT52. If you aren't afraid to really wind out the motor, a step up to the GT3582 based options is available, but you really don't want to look at this unless you actually intend to rev towards 9000rpm. If you're not, just stay smaller.

The GTX turbos are new, as are the new Borg Warner EFR turbos. The new GTX3071 is promising given its higher flow capability. the EFR turbos are very well designed but unknown at the moment. The old Borg Warner turbos offered very high flow capabilities as well as good spool. Frankly we just have to wait and see.
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Old 02-21-2011, 10:14 PM   #463
nedalrabadi
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Quote:
Originally Posted by Back Road Runner View Post
Haha, I was looking at what the hell the GT2835s were like 2 weeks ago. They seem to just be the GT3076R in various packaging under for some reason the 2835 label.

The new GTX models look promising, and the new GTX3071 could be quite good. The compressor maps are shown in Proven Power Bragging.

The actual choice in turbo depends on the flow of the motor. For the EJ20, you also need to decide what rpm range you want to run. Do you want to wind out to 8k rpm or more? The higher you go, the bigger turbo you should look at if you want to keep holding boost till redline. Most of the time you're in the GT30 to GT35 range for flow, but any turbo that size will do great. A GT3076 can get you to 7500rpm. A GT3582 can get you to 9500rpm. If you're not going above 7500, then a GT35 has little place.

Basically it's like this:
6500rpm = 47 lb/min (21psi at redline) = 310whp
7500rpm = 55 lb/min (21psi at redline) = 370whp
8500rpm = 62 lb/min (21psi at redline) = 430whp

You're limited to around 21psi of boost for pump gas and the piston compression ratio which should give you 250 ft-lbs at the wheels. You can't make more torque without changing the fuel type or lowering static compression, so the goal for hp is to rev out the motor as far as needed to reach the hp goal. Then you simply run a big enough turbo that will hold boost till that rpm. A GT3076 is a 55 lb/in turbo. A GT3582 is a 65 lb/in turbo. There are a lot of other turbos out there though around these ranges. The newer FP Green is 56 lb/in, the FP Red is 65 lb/in. The Element Tuning GT52 is 52 lb/in and the GT65 is 65 lb/in. Really these are modified Garret turbos, obviously, with various intended goals for the modifications.

If you aren't looking to hold boost till redline, you can always go smaller. 14.7psi at redline is 42 lb/in or roughly 370whp. An Element tuning GT49 fits that at 49 lb/min, Forced Performance 68HTA at 47 lb/min, a Garret GT3071, GT2871, 20G, and almost an 18G at 41 lb/in. These are fast spooling turbos that won't hold till redline but will still hold some boost while tapering off lightly and giving you a broad, flatter hp curve on top with slightly better spool up in the midrange.

All of this really depends on what you want from the car. A 7cm^2 18G or 68HTA are obvious choices for a good power and good spool. If you really want to max out hp, you're better with a GT3076 based turbo like the ATP GT3076, FP Green, or Element GT52. If you aren't afraid to really wind out the motor, a step up to the GT3582 based options is available, but you really don't want to look at this unless you actually intend to rev towards 9000rpm. If you're not, just stay smaller.

The GTX turbos are new, as are the new Borg Warner EFR turbos. The new GTX3071 is promising given its higher flow capability. the EFR turbos are very well designed but unknown at the moment. The old Borg Warner turbos offered very high flow capabilities as well as good spool. Frankly we just have to wait and see.
hey man thanks for the replay
very valuable info bro , i'm interested in in the HKS mostly and the GT3076 in general but my question is , is the hks 2835 similar to the 3071 or 3076
i'm into holding up boost up high but i don't want to go the 35 road i'm into the 30 but i don't know which 30 would be better? the PERRIN is rotated and u can have the GTX turbine wheel, the HKS is twin-scroll , the ATP isn't but stock location and has EWG and i keep on hearing good things about the ATP lineup
what would spool better the ATP or the HKS and what high end would they have ?
but i think that i should wait a bit more . . .
but can u provide flow info about the two turbos like the one u did about the GT35
and can i mate a twin-scroll with an EWG ?

Last edited by nedalrabadi; 02-21-2011 at 10:24 PM.
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Old 03-12-2011, 09:19 PM   #464
wrxsol72
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anyone have any input on the God-speed TD05 16G direct bolt on turbo for my stock 2005 wrx?
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Old 03-12-2011, 09:40 PM   #465
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Quote:
Originally Posted by wrxsol72
anyone have any input on the God-speed TD05 16G direct bolt on turbo for my stock 2005 wrx?
u should also mention:

"that has actual experience using god speed products"
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Old 03-12-2011, 10:17 PM   #466
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Yeah that would have been a good idea. Thanks bro
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Old 03-14-2011, 04:20 PM   #467
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The PE1818 and VF36 really awesome

Thanks
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Old 03-14-2011, 06:29 PM   #468
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Hey guys im new to posting and such so dont be upset if i forget some thing to list here. But i have an 04 sti with manley forged pistons, improved bearings, stock crank and rods, new valves(stock size), ported intake, aps fmic, dw 850 injectors, perrin CAI 70mm, stock fuel rail, GTspec unequal length headers with up pipe, invidia open mouth down pipe with N1 racing exhuast, ACT 6 puck sprung with heavy duty pressure plate, steert lite flywheel, and a blouch dom 4 old school that is cracked. Now my question is when i send the turbo off to blouch to get fixed should i keep after they put the 10cm housing on it? Will i get the power i need from the turbo or should i sell it? I would appreciate any adivce and help thanks ahead of time for the help!
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Old 04-11-2011, 12:53 AM   #469
nedalrabadi
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has anyone seen the new LITCHFIELD turbo line up ?
they are making T/S based on Garrett turbo cores
but i need confirmation on how much WHP they make so i would make my decision
all i want is 420-450 WHP on my v8 ej207
ad this turbo looks promising
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Old 04-20-2011, 01:28 PM   #470
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Thanks for the great write up. I am new to owning a Subaru and I am please to have a turbo in my car. Every car I own now will have to have a turbo they are fun and exciting to drive. A turbo brings new life to my driving and is so much fun to own one.

Thanks again.
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Old 04-21-2011, 12:17 PM   #471
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"Mitsubishi TD04L-19T
(225-300+whp, Bolt-On)
This is the standard equipment turbocharger used on the USDM Subaru Impreza WRX MY08.
Expect to achieve full boost with the proper mods and a quality tune between 2500-3000rpms"

I am a little confused I thought the 08's still had the 13t however it just had a different housing??? am I wrong? and if that is the case could we put a bigger wheel in it???
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Old 04-26-2011, 06:41 PM   #472
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Good list. I'll probably be checking this out some time down the road for some upgrade advice.

Last edited by gregroot198521; 04-26-2011 at 06:42 PM. Reason: oops.... grammer....
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Old 04-29-2011, 03:30 AM   #473
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So many turbos to choose from that its mind boggling. However, it is self-assuring to know the mass variety of turbos available in the open market though.
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Old 05-28-2011, 05:25 PM   #474
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This chart is awesome! I've been searching all over the internet for this turbo info, you just saved hours of my life.
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Old 06-09-2011, 08:47 AM   #475
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This is an amazing help, thank you
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