codbronco
New Member
can anyone point me in the right direction ive purchased a hyd clutch kit from bc broncos and it doesnt fit over the nv 4500 shaft???
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need help hyd clutch on nv4500
- Thread starter codbronco
- Start date
clutch
Have you used the willwood external slave cylinder there is a tech write up in the tech section i am doing one myself using willwood components
70_Steve
Old Guy
- Joined
- Dec 13, 2002
- Messages
- 8,317
Hmmm.... I thought the only hydraulic clutch kit BCB offered was for a ZF transmission. And, I think, the input shaft of the NV4500 is a larger diameter than the ZF.
trailpsycho
Bronco Guru
- Joined
- Dec 11, 2003
- Messages
- 4,856
Yeah, the BCB hydraulic clutch is for a ZF tranny with integrated bellhousing.
I have an NV4500 installed. To get a hydraulic clutch, on a NV4500 or NV3550 install, you use a stock application-type clutch (LUK, Centerforce, etc) for the stock application. Use the correct throwout bearing and install the clutch as normal (except for the clutch fork). The Clutch-fork needs to be drilled to 5/16" in the dimple--where the normal pin rides. Then follow the tech article for the hydaulic clutch master cylinder and slave cylinder as noted in the tech articles here and in a couple of other threads. I made a bracket that mounts the slave to the frame. So far everything works very, very well.
Another option is to get a late model truck bellhousing. http://classicbroncos.com/forums/showthread.php?t=115282&highlight=hydraulic+clutch
http://classicbroncos.com/forums/showthread.php?t=111416&highlight=hydraulic+clutch
Tech article: http://classicbroncos.com/hydraulicclutch.shtml
I followed the tech article-for the most part but made a more robust mount. Here is a pic or two, I have some more on my home PC, let me know if you need additional help.
Hopefully, BCB will let you return the ZF parts for in-store cred....probably will, they are good folks.
I have an NV4500 installed. To get a hydraulic clutch, on a NV4500 or NV3550 install, you use a stock application-type clutch (LUK, Centerforce, etc) for the stock application. Use the correct throwout bearing and install the clutch as normal (except for the clutch fork). The Clutch-fork needs to be drilled to 5/16" in the dimple--where the normal pin rides. Then follow the tech article for the hydaulic clutch master cylinder and slave cylinder as noted in the tech articles here and in a couple of other threads. I made a bracket that mounts the slave to the frame. So far everything works very, very well.
Another option is to get a late model truck bellhousing. http://classicbroncos.com/forums/showthread.php?t=115282&highlight=hydraulic+clutch
http://classicbroncos.com/forums/showthread.php?t=111416&highlight=hydraulic+clutch
Tech article: http://classicbroncos.com/hydraulicclutch.shtml
I followed the tech article-for the most part but made a more robust mount. Here is a pic or two, I have some more on my home PC, let me know if you need additional help.
Hopefully, BCB will let you return the ZF parts for in-store cred....probably will, they are good folks.
