Hot Rods Quick Change, Quickchange

A stock A rearend has the driveshaft as one piece with the pinion snout. Tapered on the back end so a gear fits, very similar to the taper on the outer end of the axle. To fit your quickie you shorten the driveshaft way up and cut the splines on it to hold the change gears, pointing backwards now. The rest of the driveshaft gets a coupler attached either via welding, or cutting splines so it slides on. Use a later V8 coupler. In fact, just use a shortened V8 driveshaft, your torquetube won't know the difference.

A regular 201 rear cover will fit, but I think the 101 used smaller OD bearings in it. The V8 cover can work if you find bearings to fit, or install some bushings to fit the smaller OD bearings. Anyone know if the shaft diameters are the same between the 201 and 101 quickies back there?

 

Good info! I read recently that the ID on the bearing are the same on the 201/101 just the outside diameter was different so I’d think the v8 cover bearings would be fine in a v8 cover on a 101. <- lol say that three times fast

The suggestion of using a later splined ford driveshaft to shorten compared to having to cut and re spline seems to be a clever idea. As well as using the coupler that would have been in that rear.

 

Ok I drew this quick to make sure I was understanding.

The blue is the stock model A drive shaft.
The red is the added spines and coupler
The green is the lower shaft.
That all look right?

 

The green shaft sticks out the front of the housing. The coupler is out front.

 

Ok cool. I can change that easy enough. Thanks

 

I'm not going to be much help here. The 101 assembly is not my forte. My suggestion is to get a hold of HRW and ask them what, if anything, can be used, reused or modified from an original A rear end in a H101 case. The kit probably has all the engineering and machine work done for you. My guess is that about the only think you could save on are the bearings, if you are willing to by offshore stuff as opposed to what HRW includes in their kit.
Remember, the little guy supplier needs your support, too.

 

I know it's a long shot havent been on in a while had to re register even. Are you still doing the side plates, or have 2? 11 bolt winters qc. Thanks, george

 

George,
Yes, I have 11 bolt side plates available. Polished or as cast. PM me for additional information.

 

Sweet. I need 2 unpolished 11 bolt winters. I think I pm.ed you. Let me know if you didnt get it as I'm not up to day on the new hamb app on this phone. Thanks george

 

I recently bought a pair of side plate adapters from Bruce Schneider in Davisburg, MI. The adapters allow me to use my 35 or 41 bells on my Halibrand 301 center section. The quality of work producing these adapters is outstanding in all respects.

 

And he is just the kind of guy you want to deal with !

 

I would appreciate help identifying this Model A no name QuickChange ? It's uses the same bearing as a Halibrand V8 QuickChange
Thanks, Brian

 

I’ve got one of those too. No idea who made it either. Mine has been eaten by the magnesium worms a bit though.

 

I set up this rare Halibrand 101, that used the wider V-8 change gears, with safety hubs for this belly tank.

 

That’s odd that those don’t have a pinion support bearing did they early ford 3/4 rear that these were based off of have a support bearing I can’t remember it’s been a long time since I had one of those rears apart

 

@wrenchbender,
briphaeton's unit is based on the Model A not 3/4 ton. All the the 3/4rs used the pinion nose support.

I went through all the pics I have of older/unusual QCs and none of them look like that.

 

Thanks Gearhead and Alchemy. It's based on a Model A. I know they made a ton of different Quickchanges.
We know there at least two of them. I need to make the lower shaft.

 

I've got a lower shaft. Do you need measurements, or are you able to figgeritout?

 

Yes, I could use your measurements..

 

You are right he did say that in his post I did read that but most of them I have worked on were the 3/4 ton version only had one early one long ago and I’ll be honest that was many years ago and I didn’t notice that but thanks for the info I’ll keep that info for future reference

 

Every time I see one of those mystery quick changes; I think of the little old guy in his old "corner store" machine shop. When I visited to watch and learn; he was as likely as not machining freshly cast quick change housings. He had his own patterns for the foundry. Pretty sure it was 3/4 ton truck based as he made them for the dirt track guys.

 

I heard that a 101 can be as strong as a 201 with a simple bearing change?

 

Allard

 

Cant really tell what Im seeing on the back

 

https://www.google.com/search?clien...HUB1AT0Q0pQJegQIDRAB&biw=1280&bih=800&dpr=1.5

 

@DDDenny,
Cool!
I hadn't seen that variation before. The Allard's I've seen are not finned like that and resemble a Halibrand.

 

http://www.allardregister.org/blog/2010/5/29/allard-quick-change-differential.html

 

lol omg I see now, thats the seat, nut pad sitting vertical behind the rear qc cover