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#1
02-09-2008, 10:10 PM
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what's special about turbo trans?
I know there is something different about the Legacy Turbo transmission compared to other transmissions. I am trying to figure out what engine/transmission/flywheel/clutch I want to use in the '94 Legacy track car I'm building, but I'm not sure what is compatible.
Here are my 2 main options 1) EG33+Legacy NA Trans+Lightweight flywheel+stg 2 clutch 2) EJ20TT+Legacy NA Trans+Lightweight Flywheel+stg 2 clutch My main questions... Will the flywheel and clutch for the NA Legacy 5MT bolt up to the EJ20TT motor? Will the Legacy NA transmission bolt up to the EJ20TT? I want to buy the clutch now, but if they are not compatible then I have a lot more thought to put into it. Thanks for any help you can offer! This is all for GRM 2008. If the project goes to plan, I will have something cool to post pics of in a few months 
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Time for my very own long list of mods: 92 SVX LS-L - Ebony Pearl - 2002 WRX 5MT trans w/STi gearset (rebuilt & installed myself  ) - BMW E46 HID retrofit  - Kenwood Headunit - Phoenix Gold 75x4 RMS amp - Alpine Type R 6.5" front components - Alpine Type R 6x9 3way rear speakers - 18"x9" Rota G-Force wheels w/225/40ZR18 Toyo T1R's - Mychailo's custom springs - Urethane front & rear sway bar bushings - KC exhaust (2.5" dual magnaflow) - Escaine seat swap - Removed Spoiler I don't care if Subaru says it's STI...it will always be STi to me 
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#2
02-10-2008, 07:26 AM
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I believe the answers will be yes, yes, and yes. I think taht everything you asked is compatible.
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Former: 1994 Barcelona Red(x2), 1995 Brilliant Red, 1992 Liquid Silver, 1992 Ebony(x2), 1992 Pearl White (x2) Current: 2017 Ford Raptor 2017 Kawasaki KLR 1995 Guards Red Carrera 1995 Spec-ish Miata - track car 1957 CJ-5
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#3
02-10-2008, 08:16 AM
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The answer to all your questions is yes.
As for the Turbo 5MT, it's stronger than the NA version because the USDM Legacy Turbo put down about 30more hp than its NA counterpart.
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-Jason (8/23/07-Present) 1995 Subaru SVX LSi (197k) Polo Green (#1102) 03/95 Mods: DDM Tuning 4500k 35w Low Beam HID, 100w H3 Bulbs, Extra Ground Cables, 15 minute $12.96 mod, svxfiles designed transmission mount ( ), sporting a "new" tail light bar, silver BBS rims, custom power steering cooler (one that doesn't dump ATF constantly), new negative lead cable, no more third or fourth gear (1977-Present) 1977 Chevrolet Corvette (81k) Silver (12/01/2011-Present) 2005 Subaru Outback 2.5i Limited 5MT (97k) I have a bad feeling about this. -Obi Wan Kenobi
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#4
02-10-2008, 08:20 AM
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not sure about the twin turbos but it probably applies... Turbo transmissions tend to be pull type clutch activation where as non turbo is push. This was to create more clamping force w/o killing your leg pushing in the clutch pedal. So, The flywheel you could probably use unless it is stepped. You need to find out whether or not the trans is a pull or push type.
Tom
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#5
02-10-2008, 10:19 AM
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To use the turbo trans, you'll need the hydraulic clutch setup to go with it. The main difference in the transmission itself is the internals are shot peened to make them stronger.
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1992 SVX LS-L #1222 Pearl White 1987 GL Turbo wagon, 5 lug conversion, D/R 5 speed (Rice killer) 1992 Dodge Ram 4x4 diesel (car hauler) 1968 Dodge Polara convertible (Camaro killer) 1990 Toyota Corolla FWD auto (330,000 mile grocery getter) 1986 VW Jetta
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#6
02-10-2008, 09:32 PM
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So basically, the flywheel difference is only an issue if I want to use the turbo transmission. Thanks! That's sweet...we don't have to decide our engine for a while now =)
__________________
Time for my very own long list of mods: 92 SVX LS-L - Ebony Pearl - 2002 WRX 5MT trans w/STi gearset (rebuilt & installed myself ) - BMW E46 HID retrofit - Kenwood Headunit - Phoenix Gold 75x4 RMS amp - Alpine Type R 6.5" front components - Alpine Type R 6x9 3way rear speakers - 18"x9" Rota G-Force wheels w/225/40ZR18 Toyo T1R's - Mychailo's custom springs - Urethane front & rear sway bar bushings - KC exhaust (2.5" dual magnaflow) - Escaine seat swap - Removed Spoiler I don't care if Subaru says it's STI...it will always be STi to me
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