Board logo

Mix and match diff/stub shafts/drive shafts
Gear Monkey - 6/5/14 at 10:24 PM

Hello,

I'm building a BEC with a freelander Diff and intending to use mx5 uprights. The dilemma here is getting everything to fit. Now the mx5 drive shafts like a sierra have a bolt on stub shaft and I believe (I'm sure I heard this somewhere) that sierra shafts will fit a freelander diff???

Now if this is correct would be possible to fit sierra stubs to mx5 shafts allowing me to fit them to a freelander diff??

Chances are this is a (very) long shot but you never know!

Thanks in advance

Paul

adithorp - 6/5/14 at 10:57 PM

Sounds like you've got things a bit mixed up.

There are two types of Sierra shaft; Either push-in and bolt-on CV joints (in various sizes). Sierra bolt on joints are a 6 bolt "lobro" pattern in 2 sizes

Freelanders use push in joints.

MX5s use bolt-on shafts in 2 patterns (though there are a very few push in ones).

Now if you strip and remove the inner CV joints from Sierra and Freelander PUSH-IN shafts, then the splines match. You can fit the Freelander inner CV joint to the Sierra shaft, so you make hybrid push-in shafts (Freelander inner and Sierra outer). AFAIK the same doesn't apply to an other combo using the bolt on shafts.

One problem with the hybrid described, the Freelander is a floating joint and the Seirra is sprung, so causes the Freelander CV bearings to bottom out. There are ways around that though.

Sorry if that sounds complicated... but it is.

[Edited on 6/5/14 by adithorp]

Gear Monkey - 7/5/14 at 06:57 AM

Thanks for the info

[img][/img]

My mx5 shafts are the push in type with bolt on stubs. If it were possible to find / manufacture a stub which would push into the freelander diff that would be perfect.

If i recall the cv joints on the mx5 are of the sliding type. I wonder if the freelander inner would fit with the mx5 outer? I'll need to get both and start stripping them I guess.

[Edited on 7/5/14 by Gear Monkey]

Gear Monkey - 7/5/14 at 07:33 AM

Could this work as an interface between freelander shafts and mx5 hubs???

http://www.demon-tweeks.co.uk/motorsport/cv-joints-accessories/gkn-cv-joints

Paul

minitici - 7/5/14 at 09:21 AM

Ford Fiesta/Escort outer CV joints use 22 spline ended drive shafts which are the same as the ones used on the MX5 outer CV joints.

minitici - 7/5/14 at 09:22 AM

quote:
Originally posted by Gear Monkey
Could this work as an interface between freelander shafts and mx5 hubs???

http://www.demon-tweeks.co.uk/motorsport/cv-joints-accessories/gkn-cv-joints

Paul


No.