17 x 8 all the way around? What would you do? - Team Camaro Tech
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post #1 of 8 (permalink) Old Nov 17th, 16, 10:04 AM Thread Starter
Randy
 
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17 x 8 all the way around? What would you do?

69 Camaro. All set to buy tires/wheels and due to a non-stock rear end (later model) the axle hub to hub width is wider than stock -- 61".


After doing measurements I am stuck with running an 8" wheel on the rear unless I want to pay to have a custom offset wheel made. So, looking for insight as to going with the 17 x 8 all the way around or go with the 17 x 7 front and 17 x 8 rear. Part of me says the staggered stance will look better but it may not really be that noticeable.


The 17 x 8 in front will allow me to run the 245/45/17 tire that will fill the well up better and match the diameter I have now. Rear would be 255/45/17 which is a little wider and may give the staggered look. The wider up front could possibly help in cornering but maybe not any appreciable amount?


Car is lowered 2" front and 1.5" rear.


Thoughts/opinions welcome.
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post #2 of 8 (permalink) Old Nov 17th, 16, 01:50 PM
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Re: 17 x 8 all the way around? What would you do?

With an 8" on the back with a 255 tire and your wide axle, make sure your back space is checked so it won't push it out too far.

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post #3 of 8 (permalink) Old Nov 18th, 16, 12:02 AM
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Re: 17 x 8 all the way around? What would you do?

Hi there,
I've been through the same quest hence I wanted to keep that old school muscle car appearance with a reasonable amount of rubber but with a set of new wheels so I went for custom made rims that I bought from Newstalgia Wheels. My choice were American Racing 200S that originally were introduced in 1969:







I had to custom made the offset to get the wheels completely to fit in the front and rear due to the car is lowered like 2" all around. Don't forget that all the cars are individuals regarding how the rear end sits compared to the body and therefore needs to be measured to get the right BS! My wheel setup is like this and yes, I chose 9,5" for the rear:

Front 17x8", BS 4,75" with Kuhmo Ecsta 225/50-17
Rear 17x9,5", BS 5,75" with Kuhmo Ecsta 255/50-17

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1969 Camaro X44, hugger orange, 427 ZL-1, TH350, 4:10 12 bolt Posi, RPO Z87, black/white houndstooth, 14" steel wheels & dog dish, 02D built

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post #4 of 8 (permalink) Old Nov 18th, 16, 04:45 AM Thread Starter
Randy
 
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Re: 17 x 8 all the way around? What would you do?

Ike, thank you. Yes, I have measured BS already.


Hggr, great looking car and setup. thank you for your reply.
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post #5 of 8 (permalink) Old Nov 18th, 16, 04:57 AM
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Re: 17 x 8 all the way around? What would you do?

Quote:
Originally Posted by randlej View Post
Ike, thank you. Yes, I have measured BS already.


Hggr, great looking car and setup. thank you for your reply.
What backspace do you need?

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post #6 of 8 (permalink) Old Nov 18th, 16, 08:27 AM Thread Starter
Randy
 
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Re: 17 x 8 all the way around? What would you do?

Hub to outer fender clearance is 5.25". Hub to inner fender is 6.75".


I am told that for a 9.5 rim it would need to be close to 6" backspace to fit allowing for tire bulge. 17" rim.


For the 8" there is a BS avail of 4.81 on the American Racing Torque Thrust PVD and that is what I am currently leaning towards.


My axle width hub to hub is 61" and stock is something like 60".
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post #7 of 8 (permalink) Old Nov 18th, 16, 04:30 PM
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Anne
 
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Re: 17 x 8 all the way around? What would you do?

I have 17 X 8 wheels with 4.5" backspace and a stock 60" wide 12 bolt rear.

4.5" backspace puts the tire in the center of the wheelwell. Since you have a rear that 1" wider, you need 1/2" more backspace on each side, or 5" backspace.

I see some torq-thrust that have 5" backspace. I'm sure there are others too.

For the front. I stayed with 225's to avoid rubbing. With a lowered front and 245's, I think you will have rubbing (lots of it!)

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post #8 of 8 (permalink) Old Nov 18th, 16, 05:56 PM
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Re: 17 x 8 all the way around? What would you do?

Quote:
Originally Posted by Lawrence454 View Post
I have 17 X 8 wheels with 4.5" backspace and a stock 60" wide 12 bolt rear.

4.5" backspace puts the tire in the center of the wheelwell. Since you have a rear that 1" wider, you need 1/2" more backspace on each side, or 5" backspace.
The backspace you are quoting is for an 8" wheel. He wants 9.5" wheels.

I just installed 18x9.5 wheels on my wife's 69 vert. 275/40 tire with 5.75 backspacing. Stock width rear with Kore3 C6 Z51 brakes. They fit great. I have also run 18x10 with 5.9" backspacing and 275/35 tire on a 69.

When the fit is tight add a skooch more backspacing and trim it in with a small spacer. I have seen 1/8, 3/16 and 1/4 spacers if I remember right.

I also installed 18x8.5 with 255/40 and 5.5 backspacing on the front of my wife's vert with Tru-turn. They also fit great...

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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Last edited by dhutton; Nov 18th, 16 at 06:06 PM.
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