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| Adapting a Small Bore Slave for use on the Getrag. Pics and Info included. (Page 3/6) |
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revin
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DEC 08, 10:53 AM
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bump till I get to a printer 
Glad it is working so well ! i will do this during the winter... thx!!------------------
88 GT, 3800SC, Getrag 5sp. 12" Vette Rotors,Custom stuff done
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Capt Fiero
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DEC 11, 02:07 PM
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Well just a quick update. I guess I should have expected it, when you have 2 used parts and you put on 1 new part that relies on the first part, the used part is going to fail.
It was what a week and a half ago, that I did the swap, I usually keep an eye on the master level whenever I open the front hood to grab something. Yesterday I noticed it was a bit low. I just chalked it up to air working its way out. I topped it up and drove it. Then this morning I drove the car again.
This afternoon I was looking for my spare backup coil and had to go into the front compartment, the res was damn near empty. First thing I checked was the boot at the slave to see if I had gotten a bunk slave. Nope dry as a bone. I reached under the dash and followed the rod for the master to the boot and instantly knew what was wrong. It was soaked with brake fluid. The master has let go. Fortunately I have a few spares here that I can swap on. Then rebuild this one and put it back on the car.
So just a heads up. If you do the slave mod, you may end up with a bad master at some point.------------------
85GT,93 Eldorado 4.9, 5spd Dual O2 Custom Chip, Custom Exhaust. MSD Everything Capt Fiero --- My Over View Cadero Pics Yellow 88GT 5spd Full Poly Suspension, Lowered 1/2" in front, Corner Carver.
   
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revin
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DEC 11, 02:39 PM
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So are you saying that the mod you did adds more pressure causing the failure?
Or did you just have an old master and as time shows they fail after a while.and it was just time to fix the master?
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sardonyx247
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DEC 11, 03:31 PM
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You need a different pushrod to center everything in the bore like it was, or you may be hitting the end of the slave and it will break it soon enough. Quoted from my post on this
The cure all for the V6 5sp clutch problem
This is for you all that don't get enough throw to get the clutch to disengage. After you have tried everything else. Sorry no pics.
For V6 5 Speeds.
Get a 4cyl 5sp slave. It has two studs in it, knock them out and it will bolt right up. The pushrod is a different length, so use the pushrod from the V6 slave BUT put in two nuts that are 1/4 inch wide so you get another 1/2 inch, in the slave hole, then the pushrod against the nuts. This will make the slave sit back just as far the the V6 one but will give more throw, as the 4cyl one is a smaller diameter bore. See below.
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XXXXXXXXXX|x
XXXXXXXXXX|x XX---------
XXXXXXXXXX|x ^ ........ ^
....SLAVE......|. NUTS...PUSHROD
The 4cyl slave is even cheaper too.
I tried EVERYTHING lots of different V6 masters and slaves, bleed it 50 billion times, 50 billion diferent ways. Perfectly straight steel clutch pedal, bushings not worn, etc.
This works so great, I'll never go back.
ENJOY
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"DRIVE IT LIKE A FIERO"
'84 Fiero, engine to be determined
'87Blue GT 3.4L Swap Completed!!!!!!!! Boosted!!!!!!!
Las Vegas Fiero Club
Fiero Road Club Of Northern Nevada
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sardonyx247
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DEC 11, 03:33 PM
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Capt Fiero
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DEC 12, 06:32 PM
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Robert 2
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FEB 10, 12:15 PM
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Capt Fiero
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FEB 10, 12:39 PM
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I meant to update this thread a week or so ago, I have been driving on this for over 2 months using it as my daily driver in City traffic, so you know the clutch gets a hell of a work out. After replacing the master shortly after the install, everything has been perfect. Not sure if my leg just got used to it, or the pressure plate got used to being moved that extra 1/2 inch at the bottom, but in either case, the car shifts very well, pedal feel is awesome and I have not had to add any clutch fluid to it at all in over a month. So all in all I am really happy.
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Robert 2
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FEB 10, 01:36 PM
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Just don't forget to install the Isuzu spring cause the MR2 is too short and weak .
Don't know if it had been mentioned in this thread , just in case
And Capt Fiero you did a very useful thread .
Got mine working for a month now , never had such a good clutch pedal since i own the car .
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Phil
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FEB 10, 04:45 PM
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I've had a 4 cly slave in my SC3800 5 sp getrag for the last 9 years and 135,000 miles. Had to replace it once but it worked fine.
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