Back story
I bought a '82 ( Deceased estate , no construction info available ) that has been seriously modified as a track car - hill climb , auto X , etc.
Full Spohn / QAI components , 6 point cage with side intrusion bars , gutted interior , etc

However on the front are from web research ,what appear to be stockcar hubs.

The stock spindle has been sleeved with a larger machined piece that has been welded to the spindle upright as you can see and a insert that supports the outer end
of that piece is threaded on were the old retaining nut was

Hub is massive , 2" ID / 3.25" OD inner bearing ( same size as 9 inch carrier bearing ) A Grand National style nut as shown and locking washer underneath it ,
hold the new hub in place.

In all my years on here and in new web research, I can not find any reference to anybody running this sort of setup on a 3rd Gen
or someone running 3rd Gen spindles on a setup that would require this type of HD hub.,
It looks too professionally made to be a backyard job but other than Trans Am type racing I can't see a need for such a HD setup.

Any ideas or comments? Origin ?

 

 

There's a guy on here that goes by @Passmenow , maybe he's got some insight to this.

 

Common big bearings on Trans Am race cars.
Similar to what is on both my tube chassis Camaros.
Can handle the cornering loads of 14 inch wide rear and 13 inch wide front slicks.
Clean inspect replace if damaged and repack with grease after a few races.
Good to have a spacer between the inner and outer bearing to maintain correct torque on bearing nut.
If those are Aluminum hubs they expand differently than steel so aluminum hubs require a little more static torque so they don't get loose when hot.
With our aluminum hubs we torque the bearing to about 60ftlbs static for correct bearing tightness when hot.
Big bearing like on a dump truck can be found at Napa.
Designed to last for long races with high heat.
Overkill for street or AX.
How about some photos of the Camaro that those came on?

 

Would for sure like to see photos of the car. But also of the hub caps? To me looking at it, looks like IMCA rear snouts welded to the stock spindle. I wouldn't say home built probably done a a machine shop or race shop as they took the extra measures to make that adapter to screw to stock spindle to support it on the outside. The hubs are odd to me. They arent your standard Grand National. To be honest they look like early GM truck front hubs (modified slightly) with as long as the snout is and the fact they are steel. A good guy to ask would be Ken Sapper at Speedway Engineering.

 

Thanks very much for the info

Unfortunately not much to see , car was a 305 / 5spd finally upgraded to a aftermarket injected 350 / Tremec.
Because it was primarily used on closed public road courses like hill climbs and Targa's, it had to retain most street legal stuff so as to have street registration ( a requirement for entry for these sort of events ) but the full cage made it illegal as a street car so it was on " club " registration which means it can only be driven to /at certain nominated race events run by auto clubs.

The guy had owned it for 17 years , is super straight rust free. He progressively upgraded it over the years then dismantled it to do a LS swap and other changes.
It had a Mopar 8 3/4 "tacked " in the rear when I bought it. Apparently he bought a Gen 1 so he decided to swap all the running gear it to that as a Pro Street .

It would appear he wasn't short of a dollar as he had GT3 in his garage as his current race car

 

Unlike some other caps I saw while researching , these only have a single hole to use to undo and tighten

 

Is very similar , the outer 1.8" dimension as shown above is only 1.3" but the 2.375" dimension is 2.74"
Shaft uses a Grand National type nut with the 4 slots on the spindle

 

Yeah that's a standard N11 looking spindle nut. The machined cap does make it look more professional. I know thru the 80's and 90's speedway Engineering had the exclusive on the Grand National hub kits in Nascar. But Ken there has been racing since the late 60's. He knows all the tricks going back to the tri-5 chevy late models. I would seriously give him a call. Id bet even if Speedway didnt make it, he could help you figure out who did.

and nice looking car! Id say you scored on that one. Got any interior photos too?

 

Oh also Rhine Enterprises in NC would probably know who made your hubs. Id almost bet he has a few on the shelf. He loved to restore vintage nascars and has tons of parts.

 

Good looking Camaro, worth saving.
Interesting story too bad his the gen 1 got the 3rd gen parts.
Is it going to be your track day car?