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I don't know who you are dealing with but they clearly just want your money. Have a look at corvette america, ecklers corvette, willcox corvette or any other corvette parts vendor you can find online and you should find what you are looking for:thumb

The iron diff is finally on its way. The local guy was waiting on the half shafts to arrive before he sent everything. I should have it tomorrow, but may not get to look at it until Thursday. Hopefully since it was the spare for his race car I can just go ahead and install it, but I'll give it a...

It did make the typical chatter noise about 8 months ago, but that went away after a sucking out the oil and replacing it. One other thing that bothers me with it, when i was taking it apart there was no need to spread the housing to remove the carrier. I just undid the bearing caps and lifted...

I believe it's on 105000. The original front rotors were still rivited to the hubs before I replaced them. I had a closer look at the bearing caps, it's not a crack just a production mark i think. So the housing and caps may be reusable. I'm still going to stick the iron diff in though.

Checked my parts. Ring and pinion gears have burrs on the edges. Bearing caps appear to have some cracks forming. Re usable parts are front yoke, spider gears (maybe i only had a quick look at them) side yokes (maybe) If I'm right the housing needs to be matched to the bearing caps so can't be...

Just did an estimate, total to import one would be around $920. Doesn't include freight to LA where it would ship from. There may be a charge or two I have missed as well. As i said I'll need to have a good look at some of my parts and see what is reusable. So far I'll be needed a new carrier...

Spoke to the local guy today, he has one with 3.08 gears in it that sounds like it doesn't need any work. (he said it has new seals as it is his spare for his race car) the Diff and bracket would be NZ$950+tax (15%). By the time the other required parts are added i'm up to around NZ$3100 (tax...

I was meaning the iron gears. Even if they could be swapped between the two I wouldn't use the old dana gears in the iron diff.

I think I'll just change the yoke if needed. I don't like the idea of the zerk fittings in them, all i ever hear about them is they are weaker. Is it worth using the existing gears? Or just get new ones?

Good to know. I was going to ask him about getting one from a 72-79, so spiders should be correct. For the tear drop style posi, is that on a specific year/application? or is it just a random thing that some had and others didn't? Just measured the u-joint on the drive shaft (diff end) looks...

Thanks. I'll give the local guy a call on monday and see if he has a diff + other parts he can send me, if he doesn't he did say on friday when I talked to him that he has a shipment leaving the US soon so I shouldn't have to wait too long.

Just found another one of your threads on another forum where you have said the iron cap needs to be made custom to each housing, so I am definitely thinking of just going with an iron unit. When you say brackets are you referring to the the strut rod bracket or the spindle flange on the...

So you're looking for something like this? Chevy Corvette 1974.pdf

TT913A614 is this the kind of swap you are referring to? or is this something different again?

Got The diff opened ind disassembled today after work. I wasn't sure If I was going to do the posi clutch packs or not. Until I opened everything up.:hb Just need to find a new carrier and sort out pricing of a rebuild vs buying a rebuilt unit, or swapping in an older style unit.

While I have it off I think I might clean it. Did the carrier come from the factory with a coating on it? I seem to think it should be bare aluminium. It seems to have a very think coat of dirt, not sure if there is anything under that.

Looks like it's not going to be as easy as I hoped. The rear main seal is done. I also replaced the battery cables as the lug at the starter looked like half of it was missing. I now have 50mm² (similar to 1/0) welding flex to replace that junky aluminium stuff. It only came to $NZ55 for the...

Thanks Gary. This is what I keep hearing. The more I see what is there the more I wonder if it can be done. what is the problem with these diffs? Sometimes to do with the housing IIRC.

Thanks Tom. I do plan to use a felpro one piece gasket on the pan and i will be ordering an offset seal for the rear main just incase. I'm almost certain that the vavle covers are not leaking, I will check again just to be sure. I've found a few threads (here and on another forum) where people...

With winter approaching I plan to sort out a few of the oil leaks I've been ignoring on my '81. First is from the engine. I believe it is the rear main seal causing the leak. (engine oil on the bell housing) Since I've got the pan off I'll do the Pan gasket at the same time. Anything else I...