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Automatic Sti's and Modding
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Old 08-14-16, 10:38 PM   #61
Sti-q8
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Default Re: Automatic Sti's and Modding

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Originally Posted by blacknblue06STI View Post
How much power and torque can the automatics take though before the clutches start to slip and or gears brake? Can the stall speed be changed or a smaller converter available to help with launches?

I agree with others though at this point the technology available for hydraulic actuated Sequential manual version of the current 6 speed would be the way to go. Keeping my fingers crossed that subaru does that in the next gen as an option.
I think it can hold up to 400whp on the stock gears

there's a company (still did not get the name) that can build the automatic transmission and can hold up to 1000hp as i've been told

but costs around 5K to do it
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Old 08-14-16, 10:43 PM   #62
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Default Re: Automatic Sti's and Modding

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Originally Posted by Sti-q8 View Post
I think it can hold up to 400whp on the stock gears

there's a company (still did not get the name) that can build the automatic transmission and can hold up to 1000hp as i've been told

but costs around 5K to do it
I know of 2 companies that do 5EAT upgrades for Subaru (both in the US). IPT and LevelTen.. check their websites.

And there are others in Australia and Japan but forgot their names.

Hope it helps.
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Old 10-30-16, 09:19 AM   #63
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Default Re: Automatic Sti's and Modding

Why in the fuck would you buy an automatic STI
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Old 11-27-16, 06:54 AM   #64
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Default Re: Automatic Sti's and Modding

If you have the money got a sequential transmission from KAPS. This will easily hold your 450-500 hp range you have in mind.
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Old 11-27-16, 06:55 AM   #65
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Default Re: Automatic Sti's and Modding

or a holinger transmission.
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Old 05-30-19, 08:55 AM   #66
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Default Re: Automatic Sti's and Modding

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Originally Posted by Sti-q8 View Post
Still not sure at what power level I will stop



The downpipe,exhaust and intake are being installed and see how that goes
How did this go? Downpipe fit without adjustments?
Sorry Late to this party.

Sent from my SM-N950F using Tapatalk
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Old 07-24-19, 09:52 AM   #67
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Default Re: Automatic Sti's and Modding

With an auto that could actually hold power I wouldn't mind one with a 3500-4200 stall and a big turbo for straight line racing. I'd park it right next to my manual 6 speed lol
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