James
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| posted on 5/4/04 at 04:35 PM |
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How much Clutch Fork Travel (Pinto/Type9)
Before I hack things about anymore (like making a new clutch pedal!) I'd like to know how much the clutch fork should be moving when I press the
pedal.
At the moment, with full travel of the pedal (as it is currently) the fork moves about 2 inches and it's incredibly stiff. I don't think
my legs are that weak and I have trouble pressing the clutch pedal through full travel! At the moment the pedal had a fixed 'stop' and
before I cut this off I want to know it should be travelling more! 
Thanks,
James
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dblissett
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| posted on 6/4/04 at 07:21 PM |
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clutch
hello james we must be at about the same stage
i have tack welded my standard sierra pedals in and i have a cable clutch my problem seems to be that to get the clutch to feel right ( engine is not
runing so i cant test it ) i need a lot of clutch pedal travel do you have the same problem also do you want to know how much the full movement is on
the clutch release arm if so i will go out and measure it for you
because of this and my concerns over the brakes i am thinking of going for new longer pedals and hydrolic clutch
cheers dave
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James
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| posted on 6/4/04 at 11:56 PM |
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Hi Dave,
If you'd be so kind as to measure the travel of the clutch release arm I'd be very grateful! 
My clutch is very stiff too (that was CLUTCH I said... thankyou!  ). So stiff in fact that I can't move it by hand when under the car- not
sure if this is normal or not. I'm using a Nissan Micra pedal so can't compare so well.
I interested that you think it's still too stiff with the approx' 6:1 ratio Sierra clutch pedal- I doubt we have the weakest legs in the
world and I'm sure old grannies etc. were able to drive Sierras!
I'm probably going for a longer pedal (than the Micra) myself. I want to avoid the hydraulic option (yet!) as it's more complexity/expense
I'd rather avoid if possible!
Thanks again,
James
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britishtrident
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| posted on 7/4/04 at 03:12 PM |
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Not anything like all the answers you need, it would be very handy if some kind Locoster would measure the cable movement on a standard Sierra in any
case here is what I know
(1) It is quite normal not to be able to move the lever at the gearbox -- it should need quite a lot of extra leverage to move the fork.
(2) From working on production car I know that the pedal movement can get very stiff if the end of the cable dosen't align properly with the end
of the pedal.
(3) A lot depends what clutch plate you are using -- fwd clutches tend to have a shorter stroke the rwd clutches because the the presseure plate is
designed to be more compact. Also you can't mix FWD and RWD clutch parts -- the driven plates tend to be thinner from new on FWD cars.
(4)Overstroking a clutch presure plate will shorten its life
One other thought -- Fords use a quadrant at the pedal end this will be more efficient than just attaching the cable to the end of the pedal.
[Edited on 7/4/04 by britishtrident]
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dblissett
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| posted on 7/4/04 at 07:27 PM |
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type 9
hello james here is the info
standard sierra clutch pedal 12 1/2" long
it has a quadrant at the top which has a ratchet mechanism to automaticly adjust the cable
the quadrant is 2 1/2" radius so the ratio is 5/1
the clutch fork moves 3/4" total travel
i can move the clutch pedal with one arm but its quite heavy work
is that better for you british trident
any more info just ask cheers dave
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britishtrident
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| posted on 7/4/04 at 07:58 PM |
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great info thanks
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