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Re: largest tire on the front of a 68-70 B-Body [Re: 451Mopar] #972067 04/15/11 01:57 AM 04/15/11 01:57 AM
Joined: May 2008 Posts: 5,399 Aurora, Colorado 451Mopar master
451Mopar master Joined: May 2008 Posts: 5,399 Aurora, Colorado	Tire Heights from those listed in this post: 255x60x15 = 25.04" tall 245x60x15 = 26.57" 255x60x15 = 27.05" 275x40x18 = 26.66" 265x50x15 = 25.43" Doing the theoretical tire height math, the 255x60x15" tire is the tallest tire. I thought the 275x40x18 would be? The 255x50x15" tire is 2" shorter than the 255x60x15 tire. Looks like the tire profile makes a big difference.

Re: largest tire on the front of a 68-70 B-Body [Re: 451Mopar] #972068 04/15/11 06:37 AM 04/15/11 06:37 AM
Joined: Jun 2009 Posts: 227 Bowling Green, KY K KY Charger enthusiast
KY Charger enthusiast K Joined: Jun 2009 Posts: 227 Bowling Green, KY	I've got 245-45-17 on the front of a 68 Charger

Re: largest tire on the front of a 68-70 B-Body [Re: charger] #972069 04/15/11 07:01 AM 04/15/11 07:01 AM
Joined: Jan 2007 Posts: 10,141 A Red State SNK-EYZ I Live Here
SNK-EYZ I Live Here Joined: Jan 2007 Posts: 10,141 A Red State	255/60R15's will fit on the front. The wheel offset is the main concern. If you use 15x7 with a 4.25 rear spacing you should be fine. That what's on the front of this GTX I used to own. It had 275/60r15'son the rear. Kayse can't keep up at all now. lol

Re: largest tire on the front of a 68-70 B-Body [Re: SNK-EYZ] #972070 04/16/11 02:44 AM 04/16/11 02:44 AM
Joined: Sep 2003 Posts: 1,168 Vancouver, WA MoparMarq super stock
MoparMarq super stock Joined: Sep 2003 Posts: 1,168 Vancouver, WA	Quote: 255/60R15's will fit on the front. The wheel offset is the main concern. If you use 15x7 with a 4.25 rear spacing you should be fine. That what's on the front of this GTX I used to own. It had 275/60r15'son the rear. Sorry to hijack the post. A guy is coming over this weekend to perhaps buy a set of 15x8 AR200S's with 245/50s on them. The BS is 3-3/4". His car is a '68 GTX. Is he gonna have a problem? The car is same as OP's Q, so I figured it was a legit question...

Re: largest tire on the front of a 68-70 B-Body [Re: MoparMarq] #972071 04/16/11 03:02 AM 04/16/11 03:02 AM
Joined: May 2008 Posts: 5,399 Aurora, Colorado 451Mopar master
451Mopar master Joined: May 2008 Posts: 5,399 Aurora, Colorado	245x50x15 is a pretty short tire, only 24.65' tall. On my car, width is not the problem, it is the tire height, and it really is not much of a problem. I think with a bit more backspace / offset I could fit a really large tire.

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