This is probably a next to impossible question to answer, but does anybody know know what width of Keystone Klassic and what front tire size was on the 70 Sox and Martin Cuda? (4.5, 5, or 6") I'm afraid the one guy who probably knew the answer won't be able to share his wealth of knowledge. (RIP Fred)

I certainly don't know but I would be surprised if it was not the narrowest wheel available, if not a custom 3.5" or 4.0"

Bill

15x4. The show up on Jegs website.

New 15x4 Keystone Klassics? I dought it.

I didn't see 15 x 4 but they do list 15 x 4 1/2 and 5 Keystone Classics on the Jegs web site

I use to live 45 miles form keystone in Ontario, CA. They made both 3.5 and 4.0 wide front rims back in the day
I have no idea what size Sox and Martin ran on any on any of their cars

Are you just asking a question for knowledge or are you planning a project? I would think it would now depend on what your doing to do , street application would require street type tires so a little wider rim would work. 4 1/2 with 15" VW tires work great. I have 4" super tricks with metric VW 's . Race application they ran the tallest tire , 28" was standard back in the day, No front race tires like we have today.

My plan is/was to run the Keystone Klassics with a Pro Trac bias 215/75/15 -28" front. These tires have a large section width and call for a wheel width that would look goofy but if I go to a 4.5" wheel I think the look will be pretty close to Ronnies car.
The rear is a problem. I need 15x11 (or 10) but with a 6.25-8" backspace to run a N50 (the car is tubbed) and they don't make anything like that. I've heard that they will custom make them to your specs but I haven't confirmed that yet, and I'm not really sure on how the face will look with that much backspace. I don't want to narrow my factory Dana to make it work as I may swap with run factory rallyes/polyglas at various times.

If a standard klassic wheel will fit and have the look you want, just find someone with a lathe big enough to chuck up the rim and cut it, then weld in a spacer to the width of the back space you want. I've did that before .

I had a set of Cragar SS 8 inch wide wheels redone on the rear offset, I took them to a machine shop and they chucked them up in their lathe and cut the welds and slid the wheel centers in some more to get the offset I wanted and they welded them back up, worked good, lasted a long time

Yeah, I'm fairly certain this is what I'll end up doing as well.

Contact Todd Werner.
He's restored several S&M cars and should know.
I found a set of 15x4 Keystones on this site a couple years ago.
When you do buy make sure they are NOT uni lug.

And the reason not to use unilug wheels is?

i'm not a fan of unilug wheels. mainly, because they seem to get the lug hole area boogered up during installation if done by guys that don't pay attention when installing the lug nuts. and if not torqued correctly, or run loose, the holes get messed up even more. this isn't to say a single pattern wheel can't suffer from this, it's just my own opinion and experience with unilugs. take a good look at wheels at a swap meet some time. the unilugs are easy to spot, and no matter which pattern is used, most of the wheels will show signs of slop in the pattern that particular set of wheels were used on. and the unilugs with the sized washers fitting into a recess to determine the bolt pattern are particularly bad because if the guy wasn't paying attention, the washer would slip out of position when tightening and ruin the washer recess, thereby making that wheel junk. i believe those were mainly used by ET wheels, but i have seen other brands as well using them. and lastly, isn't there an et limit that dictates unilugs are not allowed ? i vaguely remember that in an old NHRA rule book, but that was a very long time ago.

I run a Crager SS on the back on my 1971 Challenger been on the car since 1972. The rims were widened to 12 inch wide with a band welded in them. Stock width Dana and the Rims have a 9 inch back space. Back in the beginning in 70 you had things built either by the manufacture if you were S&M or your local stock car rim builder welded them up for you. The fronts there were a lot of choices of narrow rims 3 1/2 or 4 inch wide that you could just buy at any local speed shop. I run a Super Trick Aluminum 3 1/2 rim on the front. Never changed the back rims to an aluminum 12 inch rim to match the fronts.

Cragar and Keystone are owned by the same outfit now. And, at least in the past, could be special ordered in various widths and back spacings. Be sure to take a good look at the current offerings of Keystones. They are not exactly like the Keystones of old.

As to the Unilugs, I have them on my Cragars...and they SUCK! A big pain in the a$$ if and when you change wheels. When I bought mine, they did not offer the pre-drilled version or I would not have bought the Unilugs.

When I was spec'ing my wheels with Cragar, I asked them about the strength of the Unilugs since I had a 500" Wedge and Drag Radials. They said 'no problem', Cragar used to sponsor Super Stockers specifically for the promotion of their Unilug wheels. And I have pounded on mine for a decade or more with no issues.

But, the lug nuts themselves and the washers are real crap. The chrome is flimsy and the washers are very easy to over torque and mess up. And a pain to keep in place while installing.

If you go that direction, order pre-drilled and buy someone else's lug nuts and washers. Maybe stainless.

You can give your information to Cragar/Keystone and they will give you a part number that you can use with any of their retailers. They won't sell you the wheels direct. At least that is the way they used to do it.

I am going to give them a call and see what they can do for me. If they can't/ won't I'll buy some wheels off the shelf and get my local wheel place to cut them and move the backspace for me. I hear ya on the wheel nuts/washers- cheap crap.
On a side note Dave- do you feel the 10" wheel is the right width for that 295/65 or do you think a 11 or 12" would be a better fit for it?

I think the 10s are fine for the 295s, but 11s would be okay, too.

Thanks for the input.

Keep us posted.