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Old 02-13-2008, 12:57 PM   #1
'93Impreza1.8T
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Default Cable Clutch To Hydraulic Clutch Swap?

I'm looking to use a stronger cluch now that i'm turbo and i wanted to know what do i need to do a complete cable to hyrolic clutch swap?

p.s. Im running a ej18 sohc with awd 5spd tranny from a '93 impreza wagon ej18 n/a.
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Old 02-13-2008, 02:11 PM   #2
stimko68
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You will probably need a new clutch pedal, as well as the slave cylinder, master cylinder, and clutch reservior, along with all of the hydraulic lines to connect everything. You may be able to use the existing clutch switch (which just sends a signal to the ECU telling it that the clutch is engaged/disengaged), but you will also need a new clutch fork. I think the hydraulic clutch forks are a bit larger, but I'm not sure on that one. Also I'm not confident on the interchangeability between model years on the clutch components. Best thing would be to find a wrecked Impreza of a similar model year and grab all of the realted hardware off of it.
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Old 02-13-2008, 02:18 PM   #3
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thanks i've looked around in my area (satx) and have not yet seen any '93 impreza or legacy with hydraulic clutch they all have cable.
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Old 02-13-2008, 02:27 PM   #4
stimko68
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Yeah, I think that only the newer Imprezas have switched to a hydraulic setup. Try to find an 02+ wrecked WRX (not RS) because those clutch components may fit. The only real issue you would have is the clutch fork. I know that the transmissions changed over the years, and I don't know if the clutch forks got longer/shorter or wider/narrower, etc. I figure as long as whatever clutch fork you get can fit into the throwout bearing on your clutch, and the shaft that goes into the side fits as well, you shouldn't have a problem, since all of the other componenets can be custom fitted to your ride. Good luck!
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Old 02-13-2008, 03:50 PM   #5
Hurley 2.5 WRS
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^^^???

OP: you can use any pedal assembly/master cyl from a non cable type.

you will need any naturally aspirated slave cylinder, NOT like what the previous post says (WRX slave and fork are for pull type clutches. you need push type.)
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Old 02-13-2008, 04:26 PM   #6
vica153
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You realize that the forks are not interchangable, right? So you need a transmission that is meant for a hydraulic clutch.
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Old 02-13-2008, 04:54 PM   #7
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Quote:
Originally Posted by vica153 View Post
You realize that the forks are not interchangable, right? So you need a fork that is meant for a hydraulic clutch.
Fixed it for you......

Jay Storm
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Old 02-13-2008, 05:53 PM   #8
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disscent!
stay with the cable if your keeping the push style transmission
the act street will hold fine
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Old 02-13-2008, 07:43 PM   #9
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thanks every1 thats all i needed to know.
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Old 03-26-2008, 02:15 PM   #10
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i've got a 98 legacy gt transmission i am putting in a brighton and i was wondering if it would be better to keep the cable or go hydrolic. I wasn't sure if the cable clutch fork would fit in the tranny and in the legacy throw out bearing. Does anyone know?
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Old 03-26-2008, 06:31 PM   #11
Storm
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There is no reason to swap to a hydro setup, unless you're also swapping to a pull type setup. There are push type clutches strong enough to break gears already...the hydraulic throw out bearing will do nothing to make the clutch stronger, weaker, or easier to live with.

Jay Storm
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Old 03-30-2008, 01:57 PM   #12
DeMoe Aurelius
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Quote:
Originally Posted by Storm View Post
There is no reason to swap to a hydro setup, unless you're also swapping to a pull type setup. There are push type clutches strong enough to break gears already...the hydraulic throw out bearing will do nothing to make the clutch stronger, weaker, or easier to live with.

Jay Storm
Jay is right, and always gives good answers.
One of the major differences of the hydro and cables transmissions is feel. Cable to me has like a more direct feel, so when you come off quick it disengages quick, depending on how tight or loose it's adjusted. Hydros are fluid driven and allows quicker shifting a little more smoothly. I'm doing my swap cause I'm getting the tranny with the engine, and I hate the jerk of a quick shift with the cable. Thats just me though, even though The jerk is the power going to the ground I want it smoother when I shift. I dont want the power to shock and break anything, like I did with my old cars.
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Old 03-30-2008, 06:43 PM   #13
DerrickRH
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yeah there is no reason to try and switch hydraulic clutch setup when you have the cable set up already.
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Old 03-29-2017, 02:08 AM   #14
Preston138
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Has anyone put a hydraulic setup in a first gen legacy? I'm trying to find out what pedals I can use.
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Old 04-21-2017, 06:38 PM   #15
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I have done this
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