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#1
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5-speed vs. auto
I was very excited to do a 5-speed manual transmission swap in my SVX until I read that the 5-speed cannot handle the added power from a Stage III kit. I understand that ECUtune has a "built-up" 4EAT auto transmission which should be able to easily handle the added power... but my question is this: Is there an "affordable" way to "beef-up" the 5-speed manual to be able to handle the added power from the Stage III, or is the ECUtune 4EAT my only option for a reliable tranny? Also, what is different about the 6-speed vs. the other 2 options?
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#2
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5sp
tomssvx knows everything. there's a rare sti 5sp available for under a grand and i know where a $2400 6sp is. if you're gonna stay auto you might as well save some weight with fwd only and 245/45-17 front tires and 205/55-17 rear tires for balance. the awd has the weight distribution of fwd anyway.
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#3
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trans
the fwd auto can be had with 4.44 gears as well as the '04-'06 forester xt turbo 5sp.
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#4
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Quote:
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#5
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Quote:
__________________
Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#6
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The first Stage III built had a FWD for less than 10 seconds of driving didn't it
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-Mike ECUTune2v7 - 4.11 5 Speed - Sprung 6 Puck Clutch - D&S Rotors - SS Brake & Clutch Lines - HKS Panel Filter - HeaderBack Exhaust -80GB Hard Drive - GroupN Engine Mounts - - some other "tricks"
[SIGPIC][/SIGPIC] In progess: track down mystery noise <-identified, paint the new dash, get better pic Spring plans: Replace Trans - Integrate ECU with the carputer - Suspension - Go back to STI Filter - Paint? Maybe not - Next Oil change: Purolator L30165 Member #995 | My Locker | My New Locker Catch you next at: ? Auto-X ? |
#7
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See? They learned pretty quick!
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#8
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Yep...That thing didn't last.
So to answer your question: the stock auto cant handle the power either...So your either goin to have to do a performance auto build, a performances 5 speed build, or get a 6 speed. The auto would alow you to retain that luxury car feel...but what fun is a supercharged beast if you arent doing the shifting yourself? The built 5 speed would probly cost some money, but it'd be the lightst, and gear ratio-wise, it'd be the best for the eg33's long tourque curve the 6 speed is good because it can handle like a bazillion horsepower without turning itself into molten lava. and it has SIX speeds...Thats 1 faster than the 5 speed. Buuuuut, the thing's short gears mean the engine likes to rev high..which puts it PERFECTLY where the turbo 4 banger makes the most power, but the rpm range where our car's engines can't keep up. that, and its as heavy as the auto, and you'll row through gears like your in a racing canoe. there was a good thread that discussed Tom's older 1/4 mile times being ..well, a little slower than most would expect, and the cause likely being the 6 speed.But of course, he has since done a full engine build among other things, and Im quite sure that whole discussion is relatively irrelevant. Besides, I have no room to talk, as my car is slow So, I hope that helped. my personal advice; go with a built 5 speed, or the 6 speed if you plan on doing some serious engine retunng, or if the stage 3 isnt available to you and you decide to take a turbo route instead
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R.I.P Cool Signature. You're gone but not forgotten. I mean, sure, I kindof don't remember some of the finer details..but I remember you were funny, and at one point you said spaghetti in Dutch....but definantly not forgotten |
#9
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supercharged
you definately want awd and a 6sp. i had found a 6sp for $2,400 from becky@qualityautoparts.com ref# unp4401702 phone 251 662 4970 in AL, but i don't need it now. rebulid a trans costs as much as a new one. tomssvx, svxspeedshop@gmail.com is the trans expert.
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#10
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an 04+ wrx 5mt should hold the power of a stage 3 on 9psi with a stock motor... It would haul ass and the shifting wouldn't be too irate... I knew I was going to make BIG power with my silver and thats why I chose to go with the 6mt. Either way it really just comes down to what you want... An R/A 5mt (big money) will hold the power even better than the 04+wrx trans BUT those tiny 1st and 2nd gears like top sheer off with a lot of low end torque (what a S/C EG33 has)
Tom |
#11
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Let us not forget Mr. PoweredX2 who ran nitrous on his FWD auto and achieved low 13 second 1/4 mile success. Pushing the SVX into the low 13's with trap speeds in the 100's (Was it in the 108-109mph ranges?) should account for something. I followed his success/failures on and off. I wish to follow in his path somewhat.
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Kevin Thomas 1997 2.2ltr Subaru Impreza Outback Sport Wagon (AWD/Auto) 13.03@100mph 1989 2.7ltr Subaru XT6 (AWD/Auto) 15.912@85.93mph 1996 3.3ltr SVX (AWD/Auto) 15.070@91.38mph ***R.I.P*** 2010 RAV4 AWD Sport (13.717 @ 99.19mph ) 2015 Honda Fit LX CVT (15.2 @ 90mph) |
#12
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Kevin, thats what a 125 shot of nitrous with drag slicks will do. lets not forget the axles he broke doing it too Poweredx2 really raised the bar but I look to put it higher in my endevours.... motor should be broken in come next week.... Thursday I am looking to make a trip to Atco to give the old girl her christening
Tom |
#13
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Quote:
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Tim 92 Liquid Silver SVX 5MT 2009 BMW Z4 (Gone) 2012 Camry V6 SE |
#14
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Quote:
__________________
Kevin Thomas 1997 2.2ltr Subaru Impreza Outback Sport Wagon (AWD/Auto) 13.03@100mph 1989 2.7ltr Subaru XT6 (AWD/Auto) 15.912@85.93mph 1996 3.3ltr SVX (AWD/Auto) 15.070@91.38mph ***R.I.P*** 2010 RAV4 AWD Sport (13.717 @ 99.19mph ) 2015 Honda Fit LX CVT (15.2 @ 90mph) |
#15
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well its still a big maybe... I have A LOT of work to be done before I can take a night off
Tom |
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