Has anyone any experience of changing the standard 10" spring-based clutch plate as fitted to my 3.8 for the 9.5" diaphragm version as used on the 4.2?
I'm looking for something that is a little easier to depress and hold down and I'm hoping that swapping out my original for the diaphragm version might be the answer.
Alternatively I could take out gym membership and build up my left leg.
cheers
Ray
Which is best clutch?
Ray,
I have a 3.8 and the problem wasn't pushing the clutch in it was when I hit the gas it kept slipping.
Rob Beere suggested the 4.2 clutch so I swapped and its been great ever since.
I had to have the flywheel drilled to accept the 4.2 diaphragm clutch buts all.
One thing I found after changing just about all the clutch operating parts was I couldn't bleed the slave cylinder with the return spring on and I later found out this is common.
In fact my clutch wouldn't work at all with the return spring on so I have left it off.
Dave
I have a 3.8 and the problem wasn't pushing the clutch in it was when I hit the gas it kept slipping.
Rob Beere suggested the 4.2 clutch so I swapped and its been great ever since.
I had to have the flywheel drilled to accept the 4.2 diaphragm clutch buts all.
One thing I found after changing just about all the clutch operating parts was I couldn't bleed the slave cylinder with the return spring on and I later found out this is common.
In fact my clutch wouldn't work at all with the return spring on so I have left it off.
Dave
There may be a way you could fit a diaphragm clutch without changing or re-machining your flywheel to suit the 9.5" clutch. Before they went to the 9.5", the early 4.2s (like mine) had 10" Laycock diaphagm clutches and this went on well into 1965. I thought they were unobtainable but I saw a new one yesterday, on a pro. rebuilt engine. It could have been very old stock but it didn't look it.
Tony
Tony
There may be a way you could fit a diaphragm clutch without changing or re-machining your flywheel to suit the 9.5" clutch. Before they went to the 9.5", the early 4.2s (like mine) had 10" Laycock diaphagm clutches and this went on well into 1965. I thought they were unobtainable but I saw a new one yesterday, on a pro. rebuilt engine. It could have been very old stock but it didn't look it.
Tony
Hi Tall Tone,
Good point.
Dave
Tony
Hi Tall Tone,
Good point.
Dave
Hi Tony & Dave,
Many thanks for your thoughts. I like the idea of the 10" diaphragm pressure plate. I think it is no longer available but no doubt one comes up for sale now and then. If I could get my hands on one, are you saying that it would fit straight onto a 3.8 flywheel without drilling/tapping, and still uses the original release bearing and driven plate?
Ray
Many thanks for your thoughts. I like the idea of the 10" diaphragm pressure plate. I think it is no longer available but no doubt one comes up for sale now and then. If I could get my hands on one, are you saying that it would fit straight onto a 3.8 flywheel without drilling/tapping, and still uses the original release bearing and driven plate?
Ray
Ray,
I don't see why it shouldn't fit, but unless someone has done exactly that swop it is difficult to be sure. If you keep the clutch clean you should be able to return it. You could take the flywheel to the factor to try it. My only worry would be the release bearing, and it's length.
Tony
Hi Dave!
I don't see why it shouldn't fit, but unless someone has done exactly that swop it is difficult to be sure. If you keep the clutch clean you should be able to return it. You could take the flywheel to the factor to try it. My only worry would be the release bearing, and it's length.
Tony
Hi Dave!
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