Biggest Wheel and Tire Combo - Chevelle Tech
Wheels & Tires What fits what?
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post #1 of 16 (permalink) Old Sep 29th, 03, 3:26 PM Thread Starter
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Vinny
 
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I have been going back and forth on what is the biggest combo I can use on my 70SS, I have 13.25 inches of space to the rear quarter lip, I know I can fit a 275/40/17 (17x9.5 wheel) with 5.5bs, but will a 315/35/17 (17x11 wheel)with 6"bs or even 6.125" BS fit?. The tire is a Nitto DR they claim it's section is 12.13", the numbers work, but will it truly fit. Has anyone tried this? As for the front, what works, with GW Tubular uppers and Lowers with B spindles? I'm figuring 17x8 wheel with 5" bs for a 245/45/17 tire section width 9.61" claimed on a Nitto Extreme.

Any help would be greatly appreciated.

Vinny

70 SS454 Coupe
95 Pontiac T/A Conv. LT1
01 Chevy P/U 2500HD 8.1
06 Dodge Charger SRT8 6.1 Hemi
08 BigDog RidgeBack Chop 117ci
08 24ft SeaChaser CC w/ Suzuki 250HP

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post #2 of 16 (permalink) Old Sep 29th, 03, 9:02 PM
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Clint
 
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You can "probably" run that tire & wheel combo on the rear with those backspacing numbers.
As for the front,you can run a lot wider tire & rim than you mentioned. With the tubular A-arms,you can run backspacing up to 6". My 69 El Camino has 17x9's with 5" backspace and 275/40/17 tires. These numbers are with stock A-arms but after I install my Global West tubulars and Baer front brakes,the front wheels will have their backspace numbers increased to 5.75" or 6" for a little more fender lip clearance.
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post #3 of 16 (permalink) Old Sep 29th, 03, 11:47 PM
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Clint is your Elky back halved? it looks sweet I have a 66 I want to tub any suggestions?

Joe
1969 SS396 4spd 12 bolt Lemans Blue
1966 ElCamino custom 396 4 spd
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post #4 of 16 (permalink) Old Sep 30th, 03, 11:28 PM
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Clint
 
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Yes,my car was a pro streeter when I purchased it last December. Joe Wilson Race Cars built it a new Fab 9 rear end set-up with Chassis Eng.four link, Moser axles,Strange Eng.coilovers,& Baer rear discs. Since it's back-halved,I've got tons of tire & wheel room now,running PSE Kidney Bean five pin knockoff 17x13's with 335/35/17 Kumho tires. However,I just purchased a pair of Euro 360/35/17 Pirelli's that I'll be installing soon.
Tubbing a car is neither easy nor cheap. The going rate for a turn-key job is around $5K-$8K.
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post #5 of 16 (permalink) Old Oct 1st, 03, 1:34 AM
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Be careful on the front B/S if you have a sway bar. I went with 5 1/8" B/S with my 18's and I have a very slight rub on the drivers side at full stop turns over a bump such as going into a driveway. So slight that less than a 1/2 the size of a dime spot is rubbed.

On the rear, 6 1/8" should work fine but you will need to do some serious cutting on the wheel lip for 315's. I have 295's on the rear and I will be going to 305's in Nitto drag radials but I would be nervous going bigger than the 305's on my car. I would be VERY upset if I hit and damaged the body after all the hours I spent straightening it.

I want to die in my sleep like my grandfather...

January 2004 Feature Chevelle
69 SS Chevelle, Pro-Touring, 600+ HP/TQ; A/C, P/S, P/B
1300 Watts of stereo and 11.90 at 118.46 MPH on Goodyear Eagles.
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post #6 of 16 (permalink) Old Oct 1st, 03, 3:36 PM Thread Starter
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Vinny
 
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Red, the 305's are only .06" smaller then the 315's, what BS are you using now and how much clearance to you have to the lip?

On a different note, what type of headers are you using and what headaches did you go through to get them to fit on the Driverside?

Thanks for the help.

70 SS454 Coupe
95 Pontiac T/A Conv. LT1
01 Chevy P/U 2500HD 8.1
06 Dodge Charger SRT8 6.1 Hemi
08 BigDog RidgeBack Chop 117ci
08 24ft SeaChaser CC w/ Suzuki 250HP

http://www.chevelles.com/forums/albu...pictureid=2184

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post #7 of 16 (permalink) Old Oct 1st, 03, 8:00 PM
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I have 315's on my El Camino. No trimming of the wheel wells. It's a tight fit but no rubs. Backspacing is approx. 6.375".
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post #8 of 16 (permalink) Old Oct 1st, 03, 10:53 PM
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XVULTURE - I am using 6 1/8 B/S. Doing the math the 315's should be .4 inch wider than a 305. (10 MM divided by 25.4 MM to the inch) I might be able to fit them but it would be close and I won't take that risk. The 305's will positively fit.

I used 2 inch Hooker Super Comps and had no clearance issues once I cut the "ears" off the 2004R tranny. The issue with Super Comps is road hazard clearance if you drop the front more than an inch from stock ride height.

KAA - Look at the pictures of my car. I have it lowered significantly and I am using 28.4 inch tall tires. The Nitto 305's drag radials are 28.8 inches tall. The tires need to fit up into my wheel wells which means the tires cross sectional width becomes an issue.
http://www.chevelles.com/showroom/Re...eftfrontn3.JPG

I want to die in my sleep like my grandfather...

January 2004 Feature Chevelle
69 SS Chevelle, Pro-Touring, 600+ HP/TQ; A/C, P/S, P/B
1300 Watts of stereo and 11.90 at 118.46 MPH on Goodyear Eagles.
My Showroom

Not screaming and yelling like the passengers in his car.
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post #9 of 16 (permalink) Old Oct 2nd, 03, 10:05 AM Thread Starter
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Vinny
 
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Red, I agree with the calculation, but Nitto has posted numbers on there website that are different. I have an E-mail out to them to confirm what they are stating on the Website (link below). I will share the response with you once I get it back. Thanks for the header info. I decided to go with Dan Lemons at Lemonsheaders.com, I heard a lot of good things and the fit is supposed to be excellent, but pricy (900 bucks).


http://nittotire.com/tire_nt555r_sizes.asp

70 SS454 Coupe
95 Pontiac T/A Conv. LT1
01 Chevy P/U 2500HD 8.1
06 Dodge Charger SRT8 6.1 Hemi
08 BigDog RidgeBack Chop 117ci
08 24ft SeaChaser CC w/ Suzuki 250HP

http://www.chevelles.com/forums/albu...pictureid=2184

Heaven doesn't want me and Hell is scared I'll take over!
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post #10 of 16 (permalink) Old Oct 2nd, 03, 10:54 AM
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Quote:
KAA - Look at the pictures of my car. I have it lowered significantly and I am using 28.4 inch tall tires. The Nitto 305's drag radials are 28.8 inches tall. The tires need to fit up into my wheel wells which means the tires cross sectional width becomes an issue.
I dropped the rear on my El Camino at least 2". The 315 on my 11" wide rim has a 12.38" section width.

Keith

'70 El Camino SS 396 L78

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post #11 of 16 (permalink) Old Oct 3rd, 03, 1:34 AM
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KAA - What are the brand and "model tires, (IE Goodyear/Eagles) wheel size and aspect ratio.... 315/??/??

I want to die in my sleep like my grandfather...

January 2004 Feature Chevelle
69 SS Chevelle, Pro-Touring, 600+ HP/TQ; A/C, P/S, P/B
1300 Watts of stereo and 11.90 at 118.46 MPH on Goodyear Eagles.
My Showroom

Not screaming and yelling like the passengers in his car.
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post #12 of 16 (permalink) Old Oct 3rd, 03, 5:44 PM
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Sumitomo HTRZ tires, 315/35-17 rear, 275/40-17 front. The wheels are 17 x 11 rear, 17 x 9.5 front.

Keith

'70 El Camino SS 396 L78

Chevy High Performance Feature
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post #13 of 16 (permalink) Old Oct 3rd, 03, 6:51 PM
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Ryan
 
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Nice car, Keith!!!!!! Wow! I just might be emailing you with some pictures in the near future.

Ryan

1970 El Camino
ZZ4, EFI, T-56, 3-link Rear Suspension
*STOLEN 4/27/07*
2004 GTO M6
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post #14 of 16 (permalink) Old Oct 4th, 03, 12:56 PM
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Quote:
Nice car, Keith!!!!!! Wow! I just might be emailing you with some pictures in the near future.

Ryan
Thanks!! I see you're a student at ASU. My daughter just started there this year. Oh my, did I just date myself??

Nice El Camino!!

Keith

'70 El Camino SS 396 L78

Chevy High Performance Feature
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post #15 of 16 (permalink) Old Sep 9th, 06, 10:11 PM
 
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Re: Biggest Wheel and Tire Combo

hi ive got 20x8 in the front and 20x10 in the rear of my 71 chevelle i trimmed just a little off my inner lip on the fronts and i have no problems turning or any rubbing
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