Currently I have 225 75 R 14 tires on my 65 Delta.

Would 195's be too narrow for it?

I need new tires and I found 4 - 195s dirt cheap.

 

My owners manual for my 67 88 calls for 8.55 x 14, which translates into 215 75R 14. The 195's would be too small for your application.
Here's a link to a handy tire calculator... http://www.miata.net/garage/tirecalc.html

 

I agree with Jaybird. I have a '67 Delta 88, and I have 215/70R14 on it. I should probably have 75R14, but I couldn't get that size. The 70's are doing fine on it, though. I would be afraid that, at 195, the tires would be too narrow for the weight of the car, and handling, cornering, braking, safety, etc., would be compromised.

 

215 75R 14 on mine

 

Thanks for the handy calculator.

 

Thanks 66ninetyeightls and jaunty75.

215s are just a bit harder to find, I'll search more.

 

215's are actually too small but the best you can do these days. I haven't found them too hard to get. My local dealers have them or can order them. You can also find them on line.

 

This is true. 8.55 x 14 is between 225/75/14 and 215/75/14.

And, you can't find 225/75/14. I'm leaning towards these... http://www.coopertires.com/html/prod...&artw=75&rd=14

Here's another link to a chart... http://clubs.hemmings.com/clubsites/...conversion.htm

Jaybird

 

there is a lot more to it that just size though. Keep in mind the weight rating for the tire must be sufficient for weight of the vehicle.

 

I settled for a set of 225 70 r 14

 

http://www.1010tires.com/TireSizeCalculator.asp Check this out and pass it on for comparing stock sizes with other sizes.

 

15 inch tires look so much better on the big cars; better to find a set of 5 on 5 15 inch rims. If hubcap usage is an issue, I hear you can use the Olds wire hubcap centers on early 70s Chebby 15 inch wire wheel caps, and it looks very close to stock.

 

Let me just confirm here. I swapped my '55 98 convertible and my 66 Starfire over to 15" wheels.

Which leaves you with a hubcap problem since Olds didn't build 'em that way.

So on the 98 I'm using 1971 'caps. They look kind of like the BMW honeycomb ones from the 80's. Not that I aspire to the brand, just a reference.

The real news here is if you get 15" simulated wires from an early 70's Chevy Cr*piece, you can just bolt up the 66 Olds tribar spinner centers with 4 screws and you're done. Personally I can't see the difference at all, except on mine I resprayed with semigloss and should have used flat black paint on the hubcaps.

Also these fake wire wheel hubcaps are a little creaky/noisy as the spokes move around a bit when they're rotating. Just so you know.