GKN diff inards question

[jesfirth]

I have just managed to get hold of a 3.77 GKN for my griff. are the innards in this photo of it standard GKN?

[Jon100p]

This may help:

http://www.maserati-alfieri.co.uk/alfieri155-3-pro...

Maserati used the same basic diff although you will see it has a longer input shaft and an extension to the casing.

The diff in your photo looks like it doesn't have the "Sensitork" LSD, but I have never stripped one of these, so best to check it out yourself.

[Jon100p]

Sorry but I put that the wrong way round, yours does look like it is a "sensitork"!

[Pete Mac]

jesfirth said:

I have just managed to get hold of a 3.77 GKN for my griff. are the innards in this photo of it standard GKN?

The innards of my GKN diff. Look pretty similar apart fom the hole, but you tell me? Pete

[Pete Mac]

But there again mine may not be GKN either it may be a .......???. Seriously though, if it has the finned end casing with the correct bolt holes it is probably a GKN with innards, why would it not be or am I missing something here? Pete

[griffdude]

Jes, just fill it full of blancmange & it'll be fine.

[stevesprint]

Here's my GKN


These threads may help
http://www.pistonheads.com/gassing/topic.asp?t=158...

http://www.pistonheads.com/gassing/topic.asp?t=160...

Good Luck with the Christmas project.
Steve

[jesfirth]

thanks all for the info- it looks like a standard GKN to me which is good..

I might have had a bit of a result. I thought the diff was knackered despite being rebuilt last winter because it had alot of slack hence the new diff and then taking the opportunity to have a lower ratio etc etc. but last night I pulled off the exhaust etc and found all 4 bolts between the prop and the diff are only finger tight which could account for the slack and clonk on take up of drive. may have just saved a lot of work. gonna bung it all back together and see if it solves it. if it does great and I will get the 3.77 rebuilt as a spare anyway (-:

[phazed]

Those bolts are awkward to tighten firmly.

I use a 9/16ths open ender with the outer sides of the jaws ground down for extra penetration around the nut and a ring spanner on the bolt head.

Makes life a little easier. on the nut.

HTH.

[jesfirth]

phazed said:

Those bolts are awkward to tighten firmly.

I use a 9/16ths open ender with the outer sides of the jaws ground down for extra penetration around the nut and a ring spanner on the bolt head.

Makes life a little easier. on the nut.

HTH.

Phazed you star. I was using 14mm socket on the bolt head (the prop side)and it was slipping because the bloody toothed wheel for the speedo gets in the way - very awkward. will try a 9/16. I can get a ratchet spanner on the nut side (by the prop) so have good grip that side.

[phazed]

Ah, always remember that all the nuts and bolts on the Rover engine, (and the gearbox I believe) are all AF as are so many other fixings on these cars.

It is worth buying a good set of AF spanners and sockets, plenty available on eBay just make sure you source a good set.

[jesfirth]

phazed said:

Ah, always remember that all the nuts and bolts on the Rover engine, (and the gearbox I believe) are all AF as are so many other fixings on these cars.

It is worth buying a good set of AF spanners and sockets, plenty available on eBay just make sure you source a good set.

Yup got some leverage on this - I reckon it's tight now". Now to buy some new spanners..