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Sanity Check, D44 Full Floater |
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Page 123 19> |
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Anvil 
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Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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 Topic: Sanity Check, D44 Full FloaterPosted: 26 Mar. 2020 at 10:55pm |
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Hey Folks - So making progress on the build and ran into a problem. I'm putting a 30-spline Ox locker in the D44 and also was going to full float it, use Dutchman flanged axles, and do disc brakes at the same time. I've already rebuilt a D30 narrow track with a Detroit and disc brake to swap in the front.
The problem: the 30-spline axles are nominally 1.3125" on the carrier end and I can't find a D30/44 spindle that will pass a shaft that big through the ID. I have both OEM and Crown replacement D30 spindles here and they're both, nominally, 1.187" ID. If I bored the spindles out to 1.3125" it'd take the floor of the keyway with it. Because they're stupid deep. I was hoping to use the D30 spindles so I could cut down on the SKUs and have the same bearings, hubs, and small parts front and rear. So, I read on here that Metcalf used Yukon spindles but they're no longer made which I called to confirm. Nitro does not make them and never did. I called them also and while it is advertised on Amazon ( https://www.amazon.com/gp/product/B00L2ID4MU/ref=ox_sc_saved_title_1?smid=A2JO8M7CU4M3CX&psc=1 ) as passing a 30-spline axle, elsewhere the same part number is 27-spline only. Nitro said the Amazon listing is wrong and they never were able to pass a 30-spline axle, only a 27. Regardless, they don't offer that part number now as the folks who were manufacturing them went out of business. Anybody have any ideas of a spindle that'll work for a one-piece, flanged axle, full floater short of a D60 unit? I have to keep the 5x5.5 wheel pattern. I have an old MB full floater rear that I just now checked and the spindle bore on it is 1.25" so maybe I'd be able to bore it to work. I don't mind stealing parts off of it as it's completely pooched but I prefer to use something I can actually get parts for. Check out that customized PowerLok. Pooched MB rear:   |
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jeeper50
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Posted: 26 Mar. 2020 at 11:07pm |
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Bet it howled loudly before you parked it
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Belleview ol skool winch soon. '48 CJ2A 283 V8, sm 420, tera low D18, overdrive,lockers Texan at heart,GA by paycheck |
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chasendeer
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Posted: 26 Mar. 2020 at 11:31pm |
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The spindle on a Dana 23 is part of the housing and can’t be removed. Billet is an option!!
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Anvil
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Posted: 27 Mar. 2020 at 12:06am |
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I'm sure it did but it'd have been an owner or two before me. Came as a set of spares for a parts CJ2A I picked up over the winter.
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nofender
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Posted: 27 Mar. 2020 at 12:09am |
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We ran into this some years ago. The only way we could pass a 30 spline through the spindle was with a Warn spindle. You may want to try them. It requires a Warn exclusive internally splined hub.
The only other option I can think of is a Chevy 1/2 ton spindle combined with a Ford style long internal spline hub. I’m 90% sure that spindle can be broached to the appropriate dimension. But then your into another custom shaft. Contact Warn. We did two back in the day using Warn parts.
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46 CJ2a rockcrawler
46 CJ2a - 26819 47 Bantam T3C - 11800 68-ish CJ5 |
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Anvil
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Posted: 27 Mar. 2020 at 12:12am |
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Huh. I did not know that. If you pooch a spindle the housing is toast? I could make my own spindle and have the machinery to do it, but owning a machine shop for decades as taught me to never build what you can buy. That said, if there is no off the shelf solution, I'll have to do it.
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Metcalf
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Posted: 27 Mar. 2020 at 1:17am |
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I have talked to Yukon about making 30 spline D30 spindles again. The price seems to be at a stupid level, especially if buying in batches. I've always wondered if the bottom of the groove could be TIG welded to add material to prevent break out when boring to for 30 spline. The snout might change shape slightly. A mandrel could be pressed in the nose to help prevent that. There is a risk the threads could get messed up maybe. If you don't mind an internal spline locking hub I think the GM small bearing spindle is pretty close to passing a 30 spline shaft stock. Use a ford bearing hub if I remember right. |
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42 MB that had a one night stand with a much younger 69 CJ5 and a 50s GM truck.
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Anvil
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Posted: 27 Mar. 2020 at 1:42am |
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I considered welding up the keyway with some Weldmold 880. I've used it on a lot of shafts. High nickle, no cracking, elongation is like 35%, tensile is around 140K. Great stuff. Could be done and then re-thread the snout. It's a 1.625" x 16 pitch on the spindle snout so the minor diameter would be around 1.550". If I bored it to 1.320" there'd still plenty of material left for the nuts to work with. The OEM spindles seem to be pretty soft material though. I get to that point and then figure I could just knock some out of some 1018, case harden it, and seem what happens. Still rather buy an off the shelf solution if there is one though. |
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Metcalf
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Posted: 27 Mar. 2020 at 2:23am |
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My Yukon spindles still have a shallow keyway and pass 30 spline major pretty easy. I don't think that the keyway needs to be welded all the way up so hopefully the threads could be avoided....or only need cleaned up with a file. |
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42 MB that had a one night stand with a much younger 69 CJ5 and a 50s GM truck.
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Anvil
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Posted: 27 Mar. 2020 at 3:32am |
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Can't find any reference to something like that on their website. Might be another discontinued item but I'll call them tomorrow. It sounds like this is something that uses lockout hubs though. I'm wanting to use a flanged axle like on a 3/4 or 1-ton truck. Like these:  |
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Anvil
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Posted: 27 Mar. 2020 at 3:42am |
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At the keyway floor, the OEM spindles only has a .055" wall. I'd need to take out .070" on the radius to get a 1.320" bore. So I'd have to add .070" to the floor to end up where I started (.055" floor). With the weld puddle wetting, I'm betting I'd get into the threads. Probably knock it down with a thread file but single pointing it is easy enough. I'd still rather get a set of those Yukons. You have an extra set? :)
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jpet
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Posted: 27 Mar. 2020 at 6:48am |
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The disk brake spindle for Dana 30 uses larger bearing on the inner. I believe its a SET 47 with 1.781 ID. Did the Yukon spindle use SET 47 for inner and outer? That would be a +.2 wall thickness.
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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Anvil
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Posted: 27 Mar. 2020 at 4:28pm |
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For the OEM D30 disc brake spindle, it is the 47 on the inner and a 45 on the outer. I wouldn't think Yukon would use a 47 on the outer as it would require modification to the hub body to fit the larger bearing.
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jpet
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Posted: 27 Mar. 2020 at 5:05pm |
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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Anvil
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Posted: 27 Mar. 2020 at 6:02pm |
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That's a solid point. I don't know and never noticed if the races were the same. According to Motion Industries, they are the same OD: |
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Anvil
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Posted: 27 Mar. 2020 at 6:09pm |
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A closer read on Metcalf's post indicates that Yukon did use the 47 on the outer.
"Part number is from Yukon, YA W38103 This spindle uses the larger ID inner bearing so you have to have the right wheel bearing hub or slightly modify the earlier unit." |
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jpet
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Posted: 27 Mar. 2020 at 6:18pm |
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I’m not sure I understand the last statement. Since the 47 and 45 have the same OD on the outer race, you should be able to put a set 47 in both sides of a stock hub. All you would need is a spindle that’s uses SET 47 both inner and outer. I have often considered making these spindles. They would not be that hard to make but I’m not sure there is a big enough market for them.
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CJ2A #29110 "General Willys"
MB #204827 "BAM BAM" "We do what we can, and we try what we can't" |
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Anvil
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Posted: 27 Mar. 2020 at 8:16pm |
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Sorry, had a bull get out. Took a bit to get him back. It's that time of year. Could be difference in the "in cup width." .040" difference between the 45 & 47.
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jeeper50 wrote: