se7ensport
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| posted on 11/2/12 at 10:26 AM |
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Duratec clutch/gearbox problem
Just tried to take the car off the drive for the first time since converting from a Pinto to a Duratec.
I'm using a lightweight flywheel, HD pinto clutch (cable not fluid) and type 9 box. As soon as I let the clutch out with the gearbox engaged for
the first time I got a high pitch metalic grinding noise, now in I get the same nise everytime I put the clutch in.
I've recorded it and added to youtube, it's hard to hear it above the exhaust: Youtube
link
I'm pretty confident the engine is now coming back out, but any thoughts would be appreciated.
Thanks
Alex
[Edited on 11/2/12 by se7ensport]
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big-vee-twin
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| posted on 11/2/12 at 12:19 PM |
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What pressure plate are you using, if its a FWD type the radial fingers on the plate may need trimming shorter as they will hit the tube that the
thrust bearing travels along the one the input shaft spins inside
Duratec Engine is fitted, MS2 Extra V3 is assembled and tested, engine running, car now built. IVA passed 26/02/2016
http://www.triangleltd.com
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se7ensport
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| posted on 11/2/12 at 12:35 PM |
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I'm using a Pinto clutch cover from Burtons: LUK CLUTCH COVER 2LTR SOHC FAST ROAD 215mm
This is combined with Duratec to Ford clutch release arm, clutch release arm pivot pin, Duratec cable clutch release bearing from RWD Motorsport.
Will get the car up in the air and see if I can shine a torch in to the bell housing from the gap by the release bearing.
[Edited on 11/2/12 by se7ensport]
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big-vee-twin
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| posted on 11/2/12 at 12:40 PM |
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Can't see any issues with any of those, would be interesting to find out what it is what you've got it out.
Engine sounds nice though with your new pipe on.
Duratec Engine is fitted, MS2 Extra V3 is assembled and tested, engine running, car now built. IVA passed 26/02/2016
http://www.triangleltd.com
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se7ensport
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| posted on 11/2/12 at 12:44 PM |
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Loving the sound of the engine, just frustrated that I'm not driving it.
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se7ensport
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| posted on 11/2/12 at 12:54 PM |
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Just read this on the RWD website:
"Requires that the original tube where the thrust bearing slid needs cutting off leaving only the part that houses the oil seal."
I order over the phone and didn't get any fitting instructions; if this is the issue I'm going to be really pi$$ed off as this will be the
second time I have had to take the engine out because of RWD not providing parts/info.
Will call them Monday to clarify, does anyone else have a cable operated RWD bellhousing in use that can confirm they cut the thrust bearing tube?
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big-vee-twin
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| posted on 11/2/12 at 04:45 PM |
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I cut mine off but that's because I'm using a Hydraulic set up, it is very easy to chop off. You can see below how the slave cylinder
comes with its own guide tube.
[img]
 
Duratec clutch cylinder
[/img]
Duratec Engine is fitted, MS2 Extra V3 is assembled and tested, engine running, car now built. IVA passed 26/02/2016
http://www.triangleltd.com
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big-vee-twin
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| posted on 11/2/12 at 04:50 PM |
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There has been some issues with the pivot point position and different flywheel set ups, I suppose you will only know when its out again!!
Duratec Engine is fitted, MS2 Extra V3 is assembled and tested, engine running, car now built. IVA passed 26/02/2016
http://www.triangleltd.com
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se7ensport
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| posted on 11/2/12 at 04:59 PM |
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Made a mistake with my earlier quote, the thrust bearing tube requiring cutting relates to the hydraulic clutch option.
What purpose does the spigot bearing fulfil? I haven't added one to the set-up, but RWD states "Converts crankshaft to accommodate a RWD
gearbox. Fits in standard recess in crankshaft."
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big-vee-twin
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| posted on 11/2/12 at 05:03 PM |
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The spigot bearing fits into the centre of the flywheel and supports the end of the input shaft to the gearbox, without it the input shaft
doesn't run central as it can move slightly.
It is a needle roller bearing and it taps in with a hammer. This may be your issue then.
I have one fitted was from RWD, they fit them into the Zetec engine as well.
[Edited on 11/2/12 by big-vee-twin]
Duratec Engine is fitted, MS2 Extra V3 is assembled and tested, engine running, car now built. IVA passed 26/02/2016
http://www.triangleltd.com
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se7ensport
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| posted on 11/2/12 at 05:56 PM |
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Lack of spigot bearing certainly sounds like the issue, just removed the starter to take a look in the bell housing to see if I had done any damage,
unfortunatley I can't see much.
I'll order a new bearing and then pull the engine out at the next opportunity, seriously worried I've damaged something though as the
noise sounded like a stuck drill bit which can't be good.
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samjc
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| posted on 11/2/12 at 08:42 PM |
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Might not be much help but if i cant get in places too see i put my camera or phone and take a few pictures with the flash on so i can get a good idea
before dismantling parts.
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se7ensport
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| posted on 11/2/12 at 08:53 PM |
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quote:
Originally posted by samjc
Might not be much help but if i cant get in places too see i put my camera or phone and take a few pictures with the flash on so i can get a good idea
before dismantling parts.
Funnily enough I tried that, beats messing about with a mirror on a stick!
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pjay
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| posted on 11/2/12 at 09:09 PM |
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Sounds plausible it's the input shaft rubbing in the end of the crankshaft - spigot bearing is there to support the end of the input shaft.
'Clutch pedal down' would put the weight of the friction plate on the input shaft and drag it downwards.
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