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Rim size 68 B-Body: 15x10in with 3.5in backspace? #435520
08/12/09 11:40 AM
08/12/09 11:40 AM
Joined: Jan 2003
Posts: 552
NYC
SuperCommando Offline OP
super street
SuperCommando  Offline OP
super street

Joined: Jan 2003
Posts: 552
NYC
What would the following rim/tire combo look like installed in the back of a 1968 B-Body:

15x10 with 3.5in backspace, 295/50 R15 BFG Radial T/A

Would the tire be within the confines of the wheel well or would the sidewall protrude out past the quarter?

Pictures would be a great help. Thanks.

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: SuperCommando] #435521
08/12/09 11:51 AM
08/12/09 11:51 AM
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT Offline
Management Trainee
1_WILD_RT  Offline
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Today? Who Knows?
It will stick out over an inch... The wheel house is huge on these cars & with proper measuring a 10" wheel fits easily but 3.5 BS isn't it unless you plan to narrow the axle...

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: 1_WILD_RT] #435522
08/12/09 12:56 PM
08/12/09 12:56 PM
Joined: Jan 2003
Posts: 552
NYC
SuperCommando Offline OP
super street
SuperCommando  Offline OP
super street

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Posts: 552
NYC
Axle is an 8 3/4
Hoping for a pic if it's out there.

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: SuperCommando] #435523
08/12/09 12:59 PM
08/12/09 12:59 PM
Joined: Jan 2007
Posts: 780
Woodinville, WA
Viol8r Offline
super stock
Viol8r  Offline
super stock

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Posts: 780
Woodinville, WA
With a 10" wheel a 4½" BS is going to put the tire at the inside edge of the fender well. your 3½" is not enough unless you are jacking the rear of the car up.

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: Viol8r] #435524
08/12/09 05:04 PM
08/12/09 05:04 PM
Joined: Jan 2007
Posts: 401
Norway
G
General 68 Offline
mopar
General 68  Offline
mopar
G

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Posts: 401
Norway
I run 10" steel wheels with 5,5" backspace and M/T SR 12/28-15. HD leaf springs in stock location on a Moser 60. Leaves 3/8" between springs and tire bulge. No rubbing. On my 68 Charger this was the biggest combo I could fit safely. Some say 5" backspace will work. On mine that would have put the tires too close to the fender.

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: General 68] #435525
08/12/09 08:27 PM
08/12/09 08:27 PM
Joined: Jul 2005
Posts: 1,472
Overland Park, KS.
J
Joshs68 Offline
pro stock
Joshs68  Offline
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Posts: 1,472
Overland Park, KS.
I run 4.75" on my 68 as a 5.5 wouldnt even fit. I think they are all a little different. I have 1 1/4" on the passenger side and about 3/4" on the driver side on my car.
325/50/15 on a 10" rim dana all stock

5413740-lefttire123.JPG (256 downloads)
Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: Joshs68] #435526
08/12/09 08:27 PM
08/12/09 08:27 PM
Joined: Jul 2005
Posts: 1,472
Overland Park, KS.
J
Joshs68 Offline
pro stock
Joshs68  Offline
pro stock
J

Joined: Jul 2005
Posts: 1,472
Overland Park, KS.
other side

5413741-righttire123.JPG (296 downloads)
Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: SuperCommando] #435527
08/12/09 09:06 PM
08/12/09 09:06 PM
Joined: Oct 2005
Posts: 8,880
Ontario, Canada
S
Stanton Offline
Don't question me!
Stanton  Offline
Don't question me!
S

Joined: Oct 2005
Posts: 8,880
Ontario, Canada
This was beat to death about a week or so ago. The bottom line is that regardless of being a "b" body, it matters whether its a Dodge or Plymouth.

As was mentioned in that post, the Dodges have a little more room to play with at the fender and Plymouth rear ends are offset to one side so what fits on one side of a Plymouth won't necessarily fit on the other.

That said, I have a 10" wheel with 5-1/2" backspacing that sits nicely in the RIGHT wheelwell on my '69 Runner. However, after reading about the offset rearend I have yet to determine how it'll do on the left side.

May have a set of 10" Welds for sale !!!!

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: Stanton] #435528
08/13/09 08:34 AM
08/13/09 08:34 AM
Joined: Jan 2005
Posts: 4,862
the frozen wastes...
Pale_Roader Offline
Swears too much
Pale_Roader  Offline
Swears too much

Joined: Jan 2005
Posts: 4,862
the frozen wastes...

JACK IT UP!!!

(seriously, i miss that look...)

Anyways, sounds like someones got some old-school 10" rims. Had some 15x10" Vectors with about that offset, actually had 'em mounted on all four corners ov my 72 Charger (yeah, i know that doesn't help you) with 295/50/15's. Looked bloody mean, and didn't stick out too much. Undriveable though.

SOMEONE here has to have a set ov old school 10"ers out back on their B-body, with pictures.

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: SuperCommando] #435529
08/13/09 08:39 AM
08/13/09 08:39 AM
Joined: Nov 2003
Posts: 5,867
MA
Mass_Mopar Offline
master
Mass_Mopar  Offline
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Posts: 5,867
MA
I have 18x9.5's with a 295/45/18 series Nitto on it and 5" BS and I needed to clearance the 1/4s. IMHO 5.25" is the best but most manuf. only make 5 or 5 1/2". When I measured, 5 1/2 was going to be too close to the springs for comfort so I went 5. But 18" tires also have a stiffer sidewall and a more "square" tread so

Re: Rim size 68 B-Body: 15x10in with 3.5in backspace? [Re: SuperCommando] #435530
08/13/09 12:35 PM
08/13/09 12:35 PM
Joined: Dec 2007
Posts: 7,759
So Cal
HealthServices Offline
Why would you even post that?
HealthServices  Offline
Why would you even post that?

Joined: Dec 2007
Posts: 7,759
So Cal
Not going to happen inside of the wheel wells (with that offset) unless you narrow the rear.


Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.






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