Looking for full diff or just crown and pinion to suit sierra etc 7' diff. have a 3.62 available and a 7.5' with 3.9 ratio.

Try Mk Sportscars...

They had 10 or so off me a while ago.

Did you have any luck... i have found a couple more in the corner of the workshop

do you have a 7.5" 3.14:1 diff or crown wheel + pinion?

http://www.locostbuilders.co.uk/forum/34/viewthread.php?tid=217553

Sorry no I dont