What size rear wheels to bring wheels flush with fender

[Bd65]

What size 15" wheel will fill the wheel well and be flush with the exterior fender on my 65

[terribleted]

Any with the proper backspacing to place the outer edge of the wheel that far away from the hub.

[UNSAFE]

There are many options depending on the back-spacing .

Here's a 15x7 with 3 5/8 BS and 225/50 tires

This is an 8x15 below

[Corossa]

Along similar lines what is max BS for a 15" rim to prevent rubbing?. I know aspect ratio of tire can change this somewhat.

[bbodie52]

Many of the guidelines and answers you are seeking can be found at the following website. The information quoted below is from that website.

Sizing Corvair Wheels and Tires

http://autoxer.skiblack.com/tires.html

...Lates can easily handle up to 7" wide wheels in the front, with up to 8" (!) wide in the rear with the correct backspacing. Even wider will fit in certain sizes, but you will need to alter the backspacing to move the wheel out somewhat (less backspace), and perhaps roll the inside edge of the fenders. On the inside you should also check the steering arm in the front and the protruding threads on the rear suspension's toe control links for clearance.

When fitting new wheels the rim should ideally remain positioned in and out relative to the hub as close to stock as possible (yes, tires sticking way out from the fenders are a bad thing), which can be determined by measuring the backspacing. This dimension is probably the most important, because if the tire is not located correctly the wheel bearings will wear prematurely due to uneven loading, the tires may hit the inside or outside of the fender or other components, and the car will likely dart around when you hit a bump.

That said, a late model Corvair has a bit more clearance on the outside of the tire than the inside, and with 13" wheels you really can't add much at all to the inside of the rim. Fortunately the dimension also allows some tolerance, you can consider +/- 1/2" to have no effect at all on the handling. When sizing a wider wheel, add half of the additional width to the stock backspacing to arrive at the backspacing for the new wheel. If you want to stuff really huge wheels and tires under your 'Vair, it's best to jack the car up, remove the springs so that the suspension can be moved throughout its range, then bolt on a set of stock wheels and tires and measure the actual clearance available. The center hole diameter is fairly common to many cars, but should be checked because this helps align the wheel on the hub, and of course if the hole is too small the wheel won't go on the car. If the hole is too large, it's not especially critical, it does not appear to compromise the strength (in other words, yes, the lugs are strong enough to hold the car up, even in competition)...

...Late: Many people have used a variety of 14", 15" and 16" wheels on late model Corvairs, one of the most popular donors is the Camaro. Although these wheels do bolt up, you must be careful with the backspacing, especially on those 7" wide or wider. I suggest using the 6" wide versions, since they mount a 205 very nicely and are easier to find in a backspacing of 4", which fits the late Corvair well. You will need at least 4" of backspace on a 7" wide rim, and 4 1/2" is much better for steering feel and clearance.

A popular choice is the 15x7 from the '82-'92 Camaro & Firebirds. These wheels have 4 1/4" backspace, which puts them about 3/4" outboard of ideal. The first effect is the car will be somewhat more twitchy, especially when hitting a bump. Second, you are limited to a tire no larger than 205/60-15, or they will likely interfere with the fender lips (Seth Emerson wrote a nice tech tip on rolling fender lips which appears in the CORSA Tech Guide). Finally the donor cars used a metric lug nut which cannot be used on a Corvair. The optional 16x8 inch Camaro IROC wheel can also be made to fit...

...Personally, I've been very happy using 205/60-14 tires on 14" x 6" Chevy steel wheels on the front, and 245/60-14 tires on 14" x 7" Chevy steel wheels rear. Backspace is pretty close, 4" (ideal would be 4 1/2") front, 4 1/4" (optimum 5") rear. With these, any road imperfections are noticeable, but the ride isn't especially harsh and the increase in grip is quite large. This front tire size gave me an accurate speedometer too, although it is technically a bit short...

[Corossa]

Exactly what I wanted to know, thanks for link.
when whoever wrote about "centerhole" diameter and fittings was writing about concept of "hubcentric"? It might be mentioned that plastic or metal rings are available to take up the various dimensional adjustments when fitting wheels from different maufacturers or wheels with different hubcentic dimensions which it was in the article. They are even cheaper and more available on ebay with vast variety of sizes nowadays, but if wheel center hole is too small for hub then opening up the hole is required!
excellent article!
Ross