Club Cobra - Wheel options

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Wheel options - Lone Star

Man - everyone must be mad at me. Just cause I been Vipering it for a while. I had 48 hits and no responces on the general discussion forum. Here is what I had posted - at least tell me if my thinking on the backspacing is correct. I need to get some street wheels so I can drive my Cobra - road race slicks suck on the street!

"I run a set of Boyd Coddington's on my car - 17 x 9.5 - 4.75 BS and 17 x 8 - 4.25BS. I run 315s on rear and I think 245 on front. Anyway the 9.5 inch have always been a little narrow for the 315s. I have mounted a set of slicks on the BC wheels and now use them for nothing but the track. I wanted to order a set of street wheels in 10.5 " and wanted the Vintage Wheels. I called Bob and he cannot do them without the wheels being about 1 inch wider to the outside than what I have now. My 315s are already out towards the outside edge of the fender so I don't want that.

Any suggestions on other brands? I really don't want to have to narrow the rearend.

Also, am I thinging about this correctly - if I go to a 10.5" and want to keep the outside edge of tire/wheel where it is now I need a 5.75 backspace?"

Compomotive might be a viable option. On the backspacing, since you're increasing the wheel width by 1", and want to keep the outside edge where it is currently, then I think you are correct about the new back spacing dimension.

:3DSMILE: :3DSMILE: :3DSMILE:

Jim - I started off thinking the same as you about backspacing, but after thinking about it the tire is what I want to keep in the same position, so basically the center line of the wheel needs to remain the same. Since the tires has a 12 inch tread the wheel lip will be 1/2 inch wider on both sides but the tires will actually remain in the same locatiopn I thinK. The wider wheel will spread the tire out but not change is location of the wheel in the wheel well. That would make for a desired backspacing of 1/2 the wheel width or 5.25"? The original BS is 1/2 the wheel width, or 4.75 on a 9.5" wheel.

What do you think? Anyone else comment?

Quote:

Originally Posted by rblong

"I run a set of Boyd Coddington's on my car - 17 x 9.5 - 4.75 BS and 17 x 8 - 4.25BS. I run 315s on rear and I think 245 on front. Anyway the 9.5 inch have always been a little narrow for the 315s. I have mounted a set of slicks on the BC wheels and now use them for nothing but the track. I wanted to order a set of street wheels in 10.5 " and wanted the Vintage Wheels. I called Bob and he cannot do them without the wheels being about 1 inch wider to the outside than what I have now. My 315s are already out towards the outside edge of the fender so I don't want that.

Any suggestions on other brands? I really don't want to have to narrow the rearend.

Also, am I thinging about this correctly - if I go to a 10.5" and want to keep the outside edge of tire/wheel where it is now I need a 5.75 backspace?"

If the Boyd you have is 9.5 and you are going to 10.5,you are 100% correct. 5.75" backspace.

I have the Smoothie II and they are 10".Which Boyds do you have ?

BTW - You have the room to go to 6" easily.

They are Smoothies - I think series I. Yea, I agree, plenty of room on the inside. Bob with Vintage installed some 10.5 on some guys LSC in New York so he is calling them to see about their fit. I really like the look of the Vintage Wheels.

The rear Smoothies are 10"..