After seeing some of the things I've seen...I'd say anything is possible with the right stupidity level.zookeeper said:Before you start believing everything that shop tells you, go buy a gasket for a 9 inch, and one for an 8 inch. Now lay them on top of one another and tell me how in the hell you can make the round one (9 inch) fit the oval one (8 inch) This is an urban legend that has been repeated for years and isn't even close to being true.
latamud said:It can be done. You have to chop up a 9 in housing and an 8in housing. Weld the axle tubes from the 8in to the 9in housing center. In Hawaii its hard to fing a 9in narrow enough for our 66 stangs. Doing this, we can still use our old axles.
At that point it is no longer an 8 inch housing. What would be the point? If you want a shorter housing, narrow it. You can weld 9 inch axle tube on an 8.8, but it is still an 8.8. Housings and carriers don't interchange, bottom line.latamud said:It can be done. You have to chop up a 9 in housing and an 8in housing. Weld the axle tubes from the 8in to the 9in housing center. In Hawaii its hard to fing a 9in narrow enough for our 66 stangs. Doing this, we can still use our old axles.
latamud said:It can be done. You have to chop up a 9 in housing and an 8in housing. Weld the axle tubes from the 8in to the 9in housing center. In Hawaii its hard to fing a 9in narrow enough for our 66 stangs. Doing this, we can still use our old axles.
SadbutTrue said:Are there any disadvantages to putting a 9" third member in an 8" housing? A local shop says that its possible, and I think it is too. I know the housing won't be quite as strong, but from what i've heard, its rarely the housing that breaks, so maybe this isn't a problem (not that I'm really putting that much power out anyway, but in eventuality, as I keep saying... I hope to). Will the third member be compromised at all? Will the housing be an achilles heel for my car?
1320stang said:So why not just narrow the 9" housing and weld new billet ends that use the same sized bearings for your 28 spline axles? Or even use your old 8" ends. I know of lots of 9" that have been narrowed using the stock small bearing passenger car ends, spring pads relocated, then used the 8" 28 spline axles in them. At least then you don't have the tapered axle tubes.
Welding 8" axle tubes on a 9" center section sounds like building a building from the top down to the ground. You still have to use a fixture to make sure that everything is aligned. I'm not saying it won't work, but dang, it sure sounds like a round about way to do it.
WORTH said:The guy from hawii has a parts problem and it is cheaper for him to use his old axles.
latamud said:It can be done. You have to chop up a 9 in housing and an 8in housing. Weld the axle tubes from the 8in to the 9in housing center. In Hawaii its hard to fing a 9in narrow enough for our 66 stangs. Doing this, we can still use our old axles.
USMC1966 said:Latmud
Hijack!
Did you go to Freddy's or use one you picked up from Nigel's?
What's up with the T-5 get the 351w in yet?
latamud said:Haha I just found this old post Lew. I didn't do the mod to my rear end. It was yours I was talking about. Freddy(Clyde) tore up the Bronco rear end I got at Nigel's, I ended up putting it in the Cuda. Funny thing, the 65 fastback I picked up has a 9" rear with small bearing axles and tapered tubes in it. I wonder if it was a modded 8" to 9" or if that was how the 9"s came back then?
I would smile, say thank you, walk out the front door of that shop and then run screaming all the way home. Amazing how stupid some "professional" mechanics are these days.SadbutTrue said:I have been assured by multiple shops that there are indeed 9 inch third members that will bolt in to my 8 inch housing and work from there.
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