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Demolished GKN diff (Early TVR Griff version)
Posted: Fri Oct 10, 2008 12:19 am
by dnb
I found over 1/8" of play in the pinion bearing yesterday, but surprisingly no end float. It looks like the diff has seen better days...
Anyone know where to get repair parts? Not keen to do it myself, but I have a local mechanic friend who's pretty handy with such things if he's given a box of parts.
Or even better - what alternative diffs are there? It'll need to handle at least 400 ftlbs and 350 bhp. (need a bit of headroom
)
diff
Posted: Fri Oct 10, 2008 5:39 pm
by winkle
There's a place called Bell Hill Garage near Bath, they break quite a few TVRs and advertise a lot of spares. Obviously these would be used and I dont know if this would be of use to you, but they might be worth a call.
01373 834252
Steve
Posted: Sat Oct 11, 2008 8:59 pm
by dnb
Thanks. I had forgotten about them.
If they aren't expensive it would be worth throwing one in the car so it can be used while I build something a bit stronger.
Posted: Sun Oct 12, 2008 3:11 pm
by stevieturbo
Probably be a lot of work. But you could fit a Cobra IRS 8.8" from a US mustang
Diff units themselves arent overly expensive, it would be the fitting and shafts that bump costs up.
That said, I know of cars with welded shafts, that are holding together very well, on some very fast cars !!!!
Posted: Sun Oct 12, 2008 4:30 pm
by dnb
I don't mind it being expensive, provided I only have to do it once.
I think I have traced the fault to a collapsed collapsable spacer through having excessive load applied to it. If I use solid shims I shouldn't have the problem again.
Posted: Sun Oct 12, 2008 4:32 pm
by stevieturbo
If the bearings are sound, the collapsible spacer should be irrelevant.
the only way something could happen to the spacer, is if the bearings allowed it too.