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Thread: RV8 with LT77

  1. #1
    Join Date
    Jun 2016
    Location
    Germany
    Age
    56
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    41

    RV8 with LT77

    Hello,

    I've just assembled the above named engine and gear box. The gear box was converted before onto a hydraulic clutch system. Now my problem:
    The clutch didn't separate from the beginning on.
    After having disassembled the slave cylinder now, I seems thar the pin of the slave cylinder doesn't sit in the middle of the eye of the bell housing.
    I can also not press the clutch fork at all.
    Can it happen that the clutch fork slipped into another position?
    If yes, how to bring it back without disassembling the whole gear box again?

    Thank you very much to everybody for any help in that matter.

    Best regards
    Markus

  2. #2
    Join Date
    Jan 2004
    Location
    Southwest, Somerset, U.K.
    Age
    35
    Posts
    3,188
    My guess is the girl has dropped off the slipper pads and is no longer in the current position on the pivot pin.

    It's a common thing to happen and I have had it a few times doing hydraulic clutch conversions on pilgrims.

    Only way to fix is to split box from engine and re position everything.

  3. #3
    Join Date
    Dec 2008
    Location
    Newcastle upon Tyne
    Posts
    1,848
    Quote Originally Posted by Chimeara View Post
    My guess is the FOrK has dropped off the slipper pads and is no longer in the current position on the pivot pin. . . . .

    Anthony,

    Confused by the "girl" so checked letter positions on keyboard, by moving all letter (apart from the r) one place to the left "girl" becomes "fork" - which make sense but does not give as nice a mental picture, I like the image of the girl dropping her slippers.

    Hope this helps,
    Ian
    Pilgrim Sumo Mk3; IVA Apr. 2014; RV8 3.9 EFi ; Cosworth T5; Granada Donor
    Phase Two underway - Conversion to Japanese

  4. #4
    Join Date
    Aug 2014
    Location
    Leicester
    Posts
    189
    I also had the same issue and the answer is as described by Anthony. I was unable to split the bell housing far enough from the engine to gain acces to the fork without removing the entire engine. I therefore created an access point in the bell housing. Very fiddly job and took several hours of trying to get everything aligned, but got there in the end.

    During the whole process I never saw a girl drop anything though

    Lee
    Lee
    Chairman UKCC

    DAX De Dion, 400 BHP 6.0 LS2, French Racing Blue
    GD427 mk3, 325BHP 5.0 RV8, Blue - SOLD

  5. #5
    Join Date
    Apr 2004
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    on the edge...almost falling off
    Age
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    8,513
    Quote Originally Posted by LDW View Post
    During the whole process I never saw a girl drop anything though
    I did

  6. #6
    Join Date
    Jan 2004
    Location
    Southwest, Somerset, U.K.
    Age
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    Posts
    3,188
    who ever invented predictive text on I phones needs shooting.

    Atleast it keeps you all entertained.
    ANTHONY
    Absolute Horsepower Ltd
    Home of the CR427

  7. #7
    Join Date
    Jun 2016
    Location
    Germany
    Age
    56
    Posts
    41
    First of all Thanks for all your Information.
    I took off the slave cylinder yesterday and yes the fork is completely slipped down and no longer in function.
    As I can see, it is as Anthony mentioned No chance without taking out the gear box.
    What a shit.

    Regards
    Markus

  8. #8
    Join Date
    Jun 2016
    Location
    Germany
    Age
    56
    Posts
    41
    Anybody any idea how to secure the fork that this won't happen again?

    Regards
    Markus

  9. #9
    Join Date
    Apr 2009
    Location
    plymouth
    Age
    55
    Posts
    306
    It might be prudent to renew the clutch fork when you get it out and also check the condition of the ball pivot mount for wear.
    I found that on mine, the spring steel retaining tang of the back of the fork had weakened and the fork's socket had also worn meaning it was quite sloppy when located on the pivot ball. This meant it was very easy to dislodge when mating the gearbox back to the engine.
    The new replacement fork with it's stronger spring was a lot more securely located which meant it was less likely to dislodge on reassembly (although it was still necessary to take great care when doing so.)
    HTH,
    Andy.
    Last edited by tigergreen; 14-03-17 at 05:06 PM.
    Building Granada based Mk3 Sumo With 3.9 RV8

  10. #10
    Join Date
    Mar 2006
    Location
    Location Location is a crap TV program
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    8,042
    It is possible with a pair of suitably shaped pliers to tweak the spring so that it grips the pivot post more securely. In the past I have also squeezed the fork end slightly together using a vice so that the release bearing is less prone to spin in the fork which then causes the whole thing to fall to pieces! Finally the blind hole that is drilled in the ball on the pivot post is in my opinion the reason that it cuts its way through the fork arm, I have welded up the hole then ground the whole thing back into shape.
    I refuse to engage in a battle of wits with an unarmed opponent.


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    If it's cheap and good then it's not fast.
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