I was pretty surprised about the 6" that Chuck is running after seeing my car, but I can only report what he told me.  As for the rear, I can only estimate from the space I have with my 9.5" wheels.  I see a bit of room left, so I am sure a 10" wheel would be no problem, and perhaps an 11" with the right tires.  A 305 is only an inch or so bigger than my 275, and I think there is enough room for that. 
 
Brad 


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Clint Hooper
Sent: Monday, June 20, 2005 4:06 PM
To: The Chevelle Mailing List
Subject: Re: [Chevelle-list] Survey on Wheels

Brad,the 6" backspace figure I quoted was for 68-72's. That's interesting that you can run a front 17x9.5 w/6" backspacing on a 67 with stock control arms,something I wasn't sure could be done. Nice to know a 66-67 can handle the same size front rolling stock as a 68-72.
However,I've never seen or heard of a 66-67 running a 10" rear rim,much less an 11" wide hoop. The 66-67 rear fenderwells are definitely tighter than the 68-72's.
Clint Hooper
H&H Custom,owner
1969 El Camino ProTourer
2001 H-D FLHR custom bagger
http://dalesplace.com/misc/friends/clint/clint_hooper.htm
----- Original Message -----

The max in front is close to 275.  I have 17x9.5 wheels with 5 7/8" backspace and 275/40/17 wheels all around.  You could probably be OK with 5 3/4" backspace and the same setup.  Note that I have the Global West Tubular Upper A-Arms and 11" F-body spindle and brakes.  Stock setups will be different.  Chuck Hanson told me he used 17x9.5" wheels with a 6" backspace on his stock suspended '67.
 
In the rear, I would be wary of 6" backspace, as not all cars are evenly put on the frame.  My driver side had some minor rub that I fixed with the BFH on the wheel well (trunk) to make room.  If you want max in the rear on a '66/'67, then you could try a 17x11" wheel with the proper sized tire.  There is definitely a bit more room in the rear to the outside for my setup.
 
You can see pictures here:
Note how close it is to the upper ball joint in front (the other side is closer!)
Left rear tire clearance to the Frame:
Left rear tire clearance to the body:
Left rear wheel well modifications:

Brad Waller ([EMAIL PROTECTED])

'66 Corvette | 327/dead | 4-speed   | Wilwood Brakes | 245/45/16 BFG R1
'67 Chevelle | ex-SS396 | 355/700R4 | F-Body Brakes  | 275/40/17 Kumho MX



From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jack Thorpe

How about the 66-67 models? 
 
-------Original Message-------
 
 
On a 68-72,you can run a 15x10 rear wheel with 5.5-5.75" backspacing and 295/50/15 tire,,a common combination.
Clint Hooper
H&H Custom,owner
1969 El Camino ProTourer
2001 H-D FLHR custom bagger
http://dalesplace.com/misc/friends/clint/clint_hooper.htm
----- Original Message -----

I plan on using 15 inch wheels.
----- Original Message -----

It would be easier to help if we knew what diameter wheels you want to use;15--20"?
Clint Hooper
H&H Custom,owner
1969 El Camino ProTourer
2001 H-D FLHR custom bagger
http://dalesplace.com/misc/friends/clint/clint_hooper.htm
----- Original Message -----

Hey guys,
   I have a 70 SS I am putting together. I want to run the widest tires on the back I possibley can without making the car look silly. I am curious as to what size tires, wheels and backspacing everyone is running.
 
                                                 Thanks Matt


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