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Old 09-01-2013, 12:58 AM   #1
OB2
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Member#: 51500
Join Date: Dec 2003
Vehicle:
1999 impreza rs-t
sylver

Default HTA-GT3076 vs GTX3076???

It is time for me to rebuild my GT3076 ar.63 and I am tinking to up-grade it at the same time!

I do not know if I should go with the Forced Preformance HTAGT3076 or the Garette GTX3076?

What are your felling about those turbo??? What turbo deliver the more HP at the same boost?? What turbo soop the fastess???

Please help me to make my choice???


P.S. Sorry for my english I am french Canadian!!!
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Old 09-01-2013, 02:17 AM   #2
jdpsearcher
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Member#: 291214
Join Date: Aug 2011
Chapter/Region: RMIC
Location: Vancouver Washington
Vehicle:
2011 STI Sedan
PBP

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Please don't get a .63 hotside.....It is sooooo limiting....

Both are good turbos.....
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Old 09-01-2013, 01:44 PM   #3
kakarot09
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Member#: 182375
Join Date: Jun 2008
Chapter/Region: SWIC
Location: Northern Nevada
Vehicle:
08 Sti
Wrbm

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The hta may spool a bit quicker. The gtx will make more power.
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Old 09-01-2013, 09:04 PM   #4
NA STI
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Chapter/Region: MAIC
Location: Newport News, VA
Vehicle:
2006 STi
WRB

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hta3076 will spool faster and is a better matched turbo.
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Old 09-02-2013, 06:01 PM   #5
west_minist
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Member#: 53451
Join Date: Jan 2004
Location: Caribbean
Vehicle:
2000 JDM Impreza SRX
w/ AVCS Silver

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Gt3076 < Hta 3076 < Gtx3076
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Old 09-03-2013, 02:28 AM   #6
95ONE
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Join Date: Mar 2013
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Do you have a Dyno of your current build? at what PSI are you running?
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Old 09-03-2013, 02:00 PM   #7
Scuby04STi
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Member#: 328635
Join Date: Aug 2012
Chapter/Region: NWIC
Location: Portland*
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2004 STi GTX3076R
Rally Blue

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I cant speak on the others, but I have the GTX3076R with a .82 hot side and am extremely happy with it. The spool is fast and hold power until 8k like it isn't trying.

But what it comes down to is what turbo fits your engine/expected results, so what can you tell us about those?

Example: my build had oversized valves and cams so I needed something that holds well on the higher rpm range making the GTX with an .82 a no brainer.

Builds with less head work can get away with smaller hot sides or less efficient wheels seeing they will start to fall off at 6k regardless of turbo (stock cams/valves).
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Old 09-04-2013, 12:52 AM   #8
OB2
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Join Date: Dec 2003
Vehicle:
1999 impreza rs-t
sylver

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MAHA LSP 3000 4WD DYNO (verry conservative)

9.1@1 CR
19PSI of Boost

99 impreza RS SOHC Head
TWE spring et Valve
Web 148e grind Cams
2.5I 2005 Intake Manifold
Block EJ257
Wiseco 9.1@1 compression Piston
K1 Carrillo Rod
Cosworth bearing
Cometics head gasquet
ARP stud
Lachute Hi-Flow oil pump
Cosworth belt retaner
Gates Racing Belt

Lachute 3" Turbo/Back Exhaust
Zero Sport Radiator Wind Deflector
Halley Fuel Pump (650 hp)
K&N Air Filter and Intake
Turbo XS Blow off Valve
Lachute Up-pipe
Lachute Down-pipe
Lachute Headers
Vibrant Front Mont Intercooler (26*12*3.5)
Garrett GT3076R ar.63 Turbo
Tial 44mm Wastgate
Electronic boost Selenoide (Set at 19 psi)
FAL Engine Cooler
Unorthodox Racing Full Pulley Kit
Power Entreprise 850cc Injectors
SUNO Automobile HYPER GROUND SYSTEM
Lachute CatchCan
Custom IC water foger
V-pec EMS (tuned at Lachute Performance)
Group N motors mont



The head can't make allot more then 400 to 450whp so, I want a fast spooler to make the MAX of TQ and to have the max of air under the dyne curve!
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