For those running 9.5" rear rims and 275/40 tires???? - Team Camaro Tech
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post #1 of 7 (permalink) Old Jul 20th, 07, 05:57 AM Thread Starter
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For those running 9.5" rear rims and 275/40 tires????

How much do you have between your bulge on the tire and inner fender well? Thats on the inside by the rear frame rails. What is an exceptable amount of room?

Right now it seems I have 1.25" to 1.5" to inner well. Thats using 16x8's with a 255/50 tire/

Thanks, Erik

67 Camaro Pro Street, 540 Bill Mitchell Merlin big block, Merlin Aluminum heads, Holley 870, hydraulic camshaft, 2" Hooker Super Comp headers, Mallory and Crane ignition system, TH400, 2600 stahl, Ford 9" w/ 4:10 gears and posi.
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post #2 of 7 (permalink) Old Jul 20th, 07, 07:15 AM
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Al
 
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Re: For those running 9.5" rear rims and 275/40 tires????

I have enough room to slide my fingers between the sidewall and the inner wheelhouse with a slight rub of the knucles. How's that for a precise measurement? I have average to large hands. I've never had a rub there so far as I can tell.


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post #3 of 7 (permalink) Old Jul 20th, 07, 11:16 AM
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Re: For those running 9.5" rear rims and 275/40 tires????

Quote:
Originally Posted by BPOS View Post
I have enough room to slide my fingers between the sidewall and the inner wheelhouse with a slight rub of the knucles. How's that for a precise measurement? I have average to large hands. I've never had a rub there so far as I can tell.

I have the exact same space. I could slide my finger and thats about it. Any closer I rub. I'd say a little more than 1/2 inch. I also rolled my fenders. My lip on the inside was around 1 1/2 inches now its 1/2 inch and the tires fit perfect.

275/45/17 on a 9.5 wheel with 5.5 backspace.

1968 Camaro Convertible ,350 TWIN TURBO , PTC 3000 stall, Hotchkis TVS kit / Subframe connectors, Caltracs, 9" rear, Street Star wheels (P275/40ZR17 / P235/45/17) , Electric cutouts. [B] .....FOR SALE.....
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post #4 of 7 (permalink) Old Jul 20th, 07, 03:25 PM
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Re: For those running 9.5" rear rims and 275/40 tires????

Quote:
Originally Posted by mnm99 View Post
I have the exact same space. I could slide my finger and thats about it. Any closer I rub. I'd say a little more than 1/2 inch. I also rolled my fenders. My lip on the inside was around 1 1/2 inches now its 1/2 inch and the tires fit perfect.

275/45/17 on a 9.5 wheel with 5.5 backspace.
I run 285/45-17's on the rear on a 9.5" wide wheel (5.5" b/s) and I have about 3/4" on the tight side (inside drivers) and no rubbing issues,even over culverts and driveways.1" lowering blocks on the rear and fenders have been worked.The secret is a stiff suspension and I'd say mine's set on kill.

'67 Buick Skylark F/C "Ingenue" 8/10 HRM feature / 2/12 Gasoline (Swedish) feature
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post #5 of 7 (permalink) Old Jul 20th, 07, 05:59 PM
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Re: For those running 9.5" rear rims and 275/40 tires????

Have to remeber, your after 67-68's with this combo. 69's seem to have a little more room from what I have been reading. Some day I will pull the trigger on this very set up. So post away guys, I am instrested myself!!

"If you can leave black marks on a straight from the time you exit a corner till the time you brake for the next turn.......
Then, you have enough horsepower."
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post #6 of 7 (permalink) Old Jul 20th, 07, 09:04 PM
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Re: For those running 9.5" rear rims and 275/40 tires????

About an inch on each side.


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post #7 of 7 (permalink) Old Jul 20th, 07, 09:48 PM
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Rod
 
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Re: For those running 9.5" rear rims and 275/40 tires????

I'm running 275/40/17 on 9.5" rims with 5.5" bs and I have about 3/4" on the passenger side and a good 1.25" on the driverside.

Rod
69 Camaro with LS2/4l70e

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