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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

clutch compatibility

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Old May 10, 2008 | 12:49 AM
  #1  
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clutch compatibility

I'm planning on putting a zf in my truck, (the 4x4 in sig) I'm wondering if my clutch will work, or will I need a new one. Currently I have a np435.
 
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Old May 11, 2008 | 03:30 AM
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I would think you could use your current clutch. I looked up a few and they list the same specs, 10 tooth spline, 1-1/16" diameter and a B50m pilot bushing. They had different part numbers, but all the same info. When I did my ZF swap, I used the flywheel from the donor truck and got a clutch set for the truck the tranny came from. If you have a 10" clutch though, now would be a good time to step up to an 11" clutch.
 
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Old May 11, 2008 | 11:38 AM
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Thats what I was wanting to hear. My current clutch is only about 2 years old, so if I can leave it on, that would make things easier. This truck was a auto, and i switched it to manual, and at that time I put in a 11" flywheel.
 
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Old May 11, 2008 | 12:41 PM
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Does anybody know if my transfer case will work, its a np208, or will i need to use the one I have with the zf, I think it's a bw1356?
 

Last edited by 86Stepside; May 11, 2008 at 12:42 PM. Reason: spelling mistake
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Old May 12, 2008 | 12:03 AM
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Your 208 will bolt right up to the ZF, no issues. Your driveshafts may need to be adjusted length wise though.
 
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Old May 12, 2008 | 12:14 AM
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Thanks for the help, if there is any other issues you think I should know about please let me know.
 
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