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Old 02-12-2004, 02:02 PM   #1
kaneda3
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Default which master cylinder? 2.5rs to 6 speed

ok its obviouse that i need a new clutch slave for this to work

but can i use the original master cylinder or not(mine needs replaced anyway but not sure if i need to go out of my way to get either a wrx a sti unit)

any help would be great


and yes the housing will fit in the tunnel

and yes i have the correct type of clutch, driveshaft, rear diff, axles, hubs, and brakes to make this swap work
so no comments on any of that please

mike
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Old 02-12-2004, 06:02 PM   #2
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Well now that we cant make comments what are we sopose to say?


I think you can use a wrx one, in all the tranny swap lists I saw a clutch slave wasnt in any of them.
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Old 02-12-2004, 06:24 PM   #3
kaneda3
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smart a$$

yeah im pretty sure that the wrx one will too

but i have access to a used rs one
does anyone know if it can be used?

i guess ishouldve been more clear earlier

but i mean its just a hydrolic actuator and as long as the line fits on the sti slave shouldnt it be the same?

or i could be an idiot when it comes to stuff like this

mike
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Old 02-12-2004, 06:49 PM   #4
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Old 02-12-2004, 06:57 PM   #5
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All right, it's official. Totoherbs you honestly post more links than anybody has ever posted in their entire lives. I think it's great, and kind of funny. Thank you.

Kaneda, i will be doing this swap this weekend, i plan on using my rs slave cyl. If i run into problems i will use a jdm v7 but...here's how i look at it.

WRX trannies swap into gc8's with no problems. 6mt's swap into wrx's with no problem, therefore it would make sense that it will fit no problems.

Quick question though. You said you don't need to hammer the tunnel. I was under the impression this is only if you are swapping in the engine with tranny, and not trying to lift up the tranny from underneath with the engine in place. I personally expect to hammer it but hopefully i'll be pleasantly surprised.

Good luck i'll try to post up as soon as possible but i may have time issues and or run into problems so i don't know how long it will take.
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Old 02-12-2004, 07:07 PM   #6
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Quote:
Originally posted by Soon2Bgreat
All right, it's official. Totoherbs you honestly post more links than anybody has ever posted in their entire lives. I think it's great, and kind of funny. Thank you.

Kaneda, i will be doing this swap this weekend, i plan on using my rs slave cyl. If i run into problems i will use a jdm v7 but...here's how i look at it.

WRX trannies swap into gc8's with no problems. 6mt's swap into wrx's with no problem, therefore it would make sense that it will fit no problems.

Quick question though. You said you don't need to hammer the tunnel. I was under the impression this is only if you are swapping in the engine with tranny, and not trying to lift up the tranny from underneath with the engine in place. I personally expect to hammer it but hopefully i'll be pleasantly surprised.

Good luck i'll try to post up as soon as possible but i may have time issues and or run into problems so i don't know how long it will take.
I lack any knowlage of subies, but I know where to get it.... Plus spending my time searching is a good way to waste time.

Some have said tunnel work is needed others have said no... so its a crap shoot.
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Old 02-12-2004, 11:13 PM   #7
kaneda3
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keep me informed soon2be

mike
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Old 02-12-2004, 11:24 PM   #8
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I depends on how you put the tranny in - if you had the engine pulled out as well, you don't need to hammer the tunnel because the 6spd is supposed to be the same length as the auto. But if you don't pull the engine, you might still be able to get by without hammering the tunnel although most would agree that tunnel work makes it easier to install without pulling the engine
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Old 02-13-2004, 12:12 AM   #9
kaneda3
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hmmmm

i reread your post soon2be and realised you said you were gonna use the rs slave

did you mean master?

because i was under the impression that since one tranny uses a push type clutch and the other uses a pull type that the slaves would be completely different


well let me know how it goes
mike
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Old 02-13-2004, 12:20 AM   #10
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lol, yes i meant master, it'd be quite a project to use the slave

I am curious to see how hard it will be to fit the axles in.

Is there a difference between my stock 2.5rs trailing arms and sti ones. Not a big deal if no one knows, just trying to figure out if i want to swap those in too.
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Old 02-13-2004, 12:50 AM   #11
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narf. id guess that the trailing arms are all the same. seems that the GDA and gc8 are identical, gdb sti may have harder bushings though...

the WRX slave should be the same as the STI slave cylinder, both are pull style, if you wanted to use a push style slave you could use a ATS twin plate clutch (they make the GDA convert to a crazy linkage push style), but i dunno about the compatibility with teh 6 box.

narf.

could you do me a favor and weigh your car before and after the 6mt conversion??
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Old 02-13-2004, 12:01 PM   #12
Soon2Bgreat
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Well before it was 2950 with v7 engine and 1/4 tank of gas. I probably won't be able to weigh it afterwards for a while but you can just add the weight difference.

Interesting about the slave conversion...learn something new everyday.

P.S. that was with me in the car and i weigh 150.
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Old 02-13-2004, 02:04 PM   #13
kaneda3
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soon 2 be

what all have you removed from your car to reduce weight?

and once we get our cars up and running again(im sure youll be waiting for me) we'll have to meet up and compare

btw does yours have dccd or not?

mike
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Old 02-13-2004, 02:37 PM   #14
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Quote:
Originally posted by kaneda3


btw does yours have dccd or not?

mike
Louis's car is not DCCD..

Dave-
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Old 02-13-2004, 06:13 PM   #15
Soon2Bgreat
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Yea no dccd. The only weight savings i can think of are 1/4 tank of gas. I had no spare, and at the time i had sparco's. Oh, and an sti titanium shift knob

What oil you planning to run. I realized parts is closed so i will have to get some pretty bad oil for now. I plan on getting motul as soon as possible.
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Old 02-14-2004, 12:11 AM   #16
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Quote:
Originally posted by Soon2Bgreat
Yea no dccd. The only weight savings i can think of are 1/4 tank of gas. I had no spare, and at the time i had sparco's. Oh, and an sti titanium shift knob

What oil you planning to run. I realized parts is closed so i will have to get some pretty bad oil for now. I plan on getting motul as soon as possible.

If you cant find it try NEO... its what the rally teams use. http://www.neosyntheticoil.com/
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Old 02-14-2004, 12:02 PM   #17
kaneda3
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thats it??

do you still have ac?



wow i cant wait to weigh my car then

ive removed my ac
and have a light weight bumper beam up front
plus sparcos
a flywheel that weighs only 9 lbs
no airbags
moved the mattery to the trunk(just weight bias i know)
and i might be pulling the knee guards aswell

to bad the 6speed adds like 75 pounds but atleast its in the center of the car

mike
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Old 02-16-2004, 09:42 PM   #18
Soon2Bgreat
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Still have AC.

The 6 speed is now in. I need to bolt in down the the engine block. It's about 2 inches away right now and i'm starting to thread in the bolts. I did not have to hammer the tranny tunnel at all. I left the engine in place too. It was a tight squeeze and it's heavy as all heck, but it fits fine. I will post a thread tomorrow when the whole car is back together and driving.
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Old 02-18-2004, 05:47 PM   #19
kaneda3
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so wheres the thread?
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Old 02-18-2004, 08:31 PM   #20
Soon2Bgreat
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Haha, very funny. I was putting in the rear subframe when i realized i didn't have the brackets to mount the trailing arms. I got one off my RS subframe but couldn't get the second off. So i had to order the other from subaru. Should be here this weekend. Not to mention i forgot to take the release bearing off and put it on the clutch fork, so the tranny has to come out a few inches again. At least i caught it in time and didn't have to find out the hard way, lol. Where's your thread

Hopefully it will be done this weekend, but i dont expect anything to go as planned anymore, what a mess
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Old 03-03-2004, 04:21 AM   #21
kaneda3
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any updates?
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Old 03-03-2004, 07:45 AM   #22
Soon2Bgreat
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Yup got the rear subframe in yesterday. Just need to put in the driveshaft, ic, bleed brakes and clutch and...that's it i think. Probably going to finish tomorrow as i can't work on it today. Hopefully i'll be driving it soon assuming i don't slack off anymore, lol.
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