Wheel numbers

[DJ]

What do these numbers indicate?
I can recognise the rim size as 7 x 13 but wonder what "JJ" stands for.
The numbers to the right (4 275) are a bit of mystery also.

The rims are off an LC Torana I believe. Has anyone had any problems fitting or running these on a stock FC?

[Trevor_B]

My understanding is that J is a term for a lip on the inside of the rim to stop the bead of the tyre running (or being pulled) off the rim hence JJ means there's a lip on both sides of the rim i.e. left hand and right hand sides.

More info here:
http://www.carbibles.com/tyre_bible_pg4.html - look under "J, JJ, K, JK, B, P and D : Tyre bead profiles / rim contour designations.

Cheers,
Trevor_B

[hsv-001]

So the jj is the tubeless bead or the shape of the bead . This would explain why my 7x13 hr offset are also 7JJ13 .Haydn

[DJ]

Thanks Trevor.
That's a very interesting page describing the intricacies that come into play when matching tyres with rims.
I'll keep reading through some of the links but have yet to come across a meaning for the other stamped number set (4 275). Have you seen or heard a description?
Dave.

[fcwrangler]

Dave, my son worked at Goodyear Autoservice a few years ago, I'll ask him if he knows what they mean.
Jim

[DJ]

Thanks Jim.

[fcwrangler]

Dave, are they 4 or5 stud? He thinks that's what the numbers are ie number of studs and the spacing between them, but he is not real sure.
Jim

[DJ]

5 stud, even more curious. Apparently fitted to an LC Torana. Manufacturer's serial?

[Stewy]

Think you might be right Dave.
My first car was a 73 LJ Torana. The rims you have are the 8 slot torana standard rim chromed.
I had the standard rim centres moved and changed the offset. Front rims the hubcap was flush and the rear wheels hubcap was about 50 mm in.
Slide hammer required to remove hubcap  . I can remember the 13JJ on the rim but not the other numbers, but as you say could be the date of manufacture or serial number. Always loved chrome rims and they look nice 

Cheers Stewy   

[DJ]

Thanks Stewy. I think I prefer a standard rim chromed over a lot of the newer mags available now. The cost of chroming a set of standard rims frightened me a bit & then I saw these up for sale. I don't mind that they are easily recognised & I think (hope) the style suits. One of the reasons behind my question is to confirm the model they were off, originally - thanks. Another reason was to establish if they presented any issues on a stock FC with 205/60s fitted. I believe some of later Torana rims had the same centre offset as an FC but I'm not sure about these. If there's only a little room using the tyres offered with these rims it could make all the difference.

[fcwrangler]

Dave, you can check the offset by laying a straight edge across the inside of the rim and measure down to the  face of the mounting plate, this will tell you how far in the rim will sit when bolted up.
Jim

[ardiesse]

Jim,

I'm guessing, by analogy with the date codes on engine block castings, April 27, 1975.  But because a 7JJx13 wheel was never an original Holden part, it may be 1985, or 1995.  The general condition of the finish is too good for a 40-year-old wheel, in my opinion.

Rob

[DJ]

Jim, the wheels are for sale & not with me. I can suggest this to the selling I guess. It may already be narrowed down enough with Stewy recognising them & last post from FCDave displaying the same rims on his very nice new wagon.

Rob, I understand the rims are newly chromed so that explains the appearance. The stamped numbers may be the date, if they were originally off a '75 model Torana (LX/LH?) - assuming they are the same rims as LJ/LC.

[fcwrangler]

They look to be Torana rims but I would say they are remade rims as I don't think GMH made 7" rims, 6" rims where the largest on the standard XU1's. Not sure about the other numbers, so just tell him to list them as Torana rims to suit up to HR.
Jim

[DJ]

OK, thanks again Jim.

[fcwrangler]

Oops! And of coarse LC-UC Torana
Jim

[DJ]

Gotcha, questions sent to seller.
Care to estimate a typical fair price with 4 new Nankang 205/60s fitted?
Have no idea about popularity or demand for these, just liked the look.

[fcwrangler]

Checked eBay, these rims and tyres are listed at $950 with one bid.
Jim

[FC Dave]

As a bit of a guide, I paid $135.00 each for the Maxxis tyres that are on my wagon. (205/60).The rims came on a parts car. They were chrome, but in a bad way. I'm guessing they have been re-manufactured at some stage. I had them sandblasted & painted. I was going to measure the offset for you, but those hubcaps are a bugger to get off. Unless your car is lowered, you should have some clearance.

[DJ]

Yes, the new listed tyres go for around $110, so the rims work out at around $130 each (at $950) - seems OK at that but who knows what they could go for.