C5Z06 wheels on 67? - Chevelle Tech
Wheels & Tires What fits what?
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post #1 of 5 (permalink) Old Apr 20th, 19, 9:29 PM Thread Starter
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C5Z06 wheels on 67?

Lowered roughly 2in.

15x8.5 with MT 275/50/15 fits, 8s up front with 265/50 fit unless i had the wheel cranked hard and a little articulation. SUspension is firm.

Not a fan of spacers but what would I need to run a set of the 17s. (9.5?) and tire?
I test fit a 315/35/17 on a 9.5 yrs ago...it cleared but was real tight, not so sure rolling the tire is ideal. So if I ran a smaller size. what is the max I can stuff in these wheelwells should I want to go around corners for a day? I have a 3/8 steel spacer I can put up front if need be

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post #2 of 5 (permalink) Old Apr 21st, 19, 8:16 AM
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Re: C5Z06 wheels on 67?

I think on the Corvette the backspacing is very large and you would need to run a spacer of an inch or two. Is the car tubbed or mini tubbed then this could work. Also I think the shock tower might also get in the way but if rear is narrowed then OK. I have a C6 Z06 different car I know and the back spacing is like 8.5 inches and the max on a Chevelle is like 5.0 to 5.5 inches (untouched). I think with that low profile the Corvette the 315s were like a 10.5 or 11 inch rim on the back. I have 325s and they came with 12s. The lower the tire profile the less rim forgiveness/leeway you can have so a 9.5 might not be big enough. It is usually the sectional width less an 1 inch or 1.5 inches. So my 325 tire is 13.2 inches wide and they use a 12 inch rim. With the 15s 325s you could get by with a 10 inch (though that is still kind of bulby).
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post #3 of 5 (permalink) Old Apr 21st, 19, 9:47 PM
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Re: C5Z06 wheels on 67?

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Originally Posted by cuisinartvette View Post
Lowered roughly 2in.
15x8.5 with MT 275/50/15 fits, 8s up front with 265/50 fit unless i had the wheel cranked hard and a little articulation. Suspension is firm.
Not a fan of spacers but what would I need to run a set of the 17s. (9.5?) and tire?
I test fit a 315/35/17 on a 9.5 yrs ago...it cleared but was real tight, not so sure rolling the tire is ideal. So if I ran a smaller size. what is the max I can stuff in these wheelwells should I want to go around corners for a day? I have a 3/8 steel spacer I can put up front if need be
OEM 2001-04 C5 Z06 wheels:
Front 17x9.5 +54 offset (7.4" backspace)
Rear 18x10.5 +58 offset (7.5" backspace)

A 17x9.5 would need a +12 offset (5.75" backspace), to fit the front or rear of a 66-72. That would require a 42mm spacer. 42mm = 1.65"
Since a 10.5" width wheel will most likely not fit a 67-earlier, that's probably a moot point. To fit a 68-72 on the rear, an 18x10.5 w/+58 offset would need a +52mm or approximately 2" spacer.

FWIW, although some have fitted 315's on a 9.5 width wheel, you really need a minimum of a 10.5 width wheel, for that width tire. Lots of guys are running 315/30/18's on their C5Z's w/ 18x10.5 wheel.
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post #4 of 5 (permalink) Old Apr 22nd, 19, 2:11 PM Thread Starter
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Re: C5Z06 wheels on 67?

Hoping you would pipe in clint. I test fitted a 17x9.5 with a 315 yrs ago it fit good, was surprised.
Centered the body perfectly and rolled the inner lip. RIde is very firm so can get away wiht "tight".

If I went 17x9.5 what size tire would you recommend? 285 or? What about the front?

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post #5 of 5 (permalink) Old Apr 23rd, 19, 1:52 AM
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Re: C5Z06 wheels on 67?

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Originally Posted by cuisinartvette View Post
Hoping you would pipe in clint. I test fitted a 17x9.5 with a 315 yrs ago it fit good, was surprised.
Centered the body perfectly and rolled the inner lip. RIde is very firm so can get away wiht "tight".

If I went 17x9.5 what size tire would you recommend? 285 or? What about the front?
A 285 tire is pretty much the maximum recommended width, on a 9.5" width wheel, Ron. On the front, either a 255 or 275. A few 265/40/17's are available but they are scarce and expensive.
As mentioned before, a 315/35/17 is just too big, for a 9.5" width wheel. For optimum performance, a 315 really needs an 11" wheel.

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