Ciao a tutti, sto cercando un breve viaggio finale per una Sierra 2WD, grazie a chiunque possa aiutarmi

"Hi all, I'm looking for a short final drive for a Sierra 2WD, thanks to anyone who can help me"

(Thanks to Google Translate !)

Try a post on here:

https://www.xrstyle.co.uk/forums/index.php

 

My car was a hillclimb car so may well have 4.4. or 5.5.

I have been told that my diff is locked using high pressure viscous coupling. I assume that this means that the diff oil is under pressure so I am reluctant to open it.

Is there a way of determining the ratio by the relationship between input and drive shafts? 5.5 turns of the input driveshaft = 1 turn of the wheel driveshaft on a 5.5. diff? Or is that too obvious?

If the diff is locked, and both rear half shafts rotate at the time, that should work.

I think if one wheel moves and the other is stationary, then would it be two turns of the half shaft ?

Long time since I have been that close to a diff, but on a simple old '74 Escort 1300 Sport, I have vague memories of one rear wheel going forwards whilst the other went backwards !

Happy New Year