1974-318
Well-Known Member
Hi. Will a 215 65 15 tire on a 6.5" rim with 4.5" backspace fit on a 1974 Duster?
Thanks
Thanks
Front tire size
- Thread starter 1974-318
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remytherat
Well-Known Member
98% chance.
1974-318
Well-Known Member
It's the 2% I'm worried about. Lol. I think the tire size will be OK but it's the rim size and backspace I'm more concerned about
remytherat
Well-Known Member
Those are very typical numbers.
if you're not excessively low in the front, 99% chance
mopowers
Well-Known Member
Probably
I’m upping the odds: 99.5%
225/70 15 didn't fit mine on 6"
had to drop to a 215/70
i'm at 85%
had to drop to a 215/70
i'm at 85%
thats 2 sizes shorter then a 225/70 and 215/65 is basicly same hight
no on my 69 dart ...they hit the front lower corner of the fender when turning ....
Yeah, I’m aware.
On the front anything much taller than 26” in overall tire height is usually a no go unless you’re up at 4x4 height, or they’re REALLY skinny tires that are well inset into the fenders.
1974-318
Well-Known Member
Yes. Disc brakes with 5x4.5 bolt pattern
1974-318
Well-Known Member
I'm more concerned about interference on the inside using the 6.5" rim with 4.5" backspace.
you'll be fine at 6.5 wide & 4.5 bs. at 5" is when you need to start to get concerned about rim to component (upper arm/ball joint) clearance.
i'm at 15x7 with 4.25 (cop wheel) with 215/60 and 73+ brakes in a 69 barracuda. it only rubs at severe turn in at near full lock, but i am VERY low in the front.
with a reasonable ride height and enough t-bar & shock it shouldn't be an issue.
Yeah mine if I have a weight on the inner lip hit the bj
Had them use tape weight
Had them use tape weight
4mulas
Fixem'up
You’ll be fine. It will likely be about 3/8-1/2" away from the bottom front corner of the fender when turning and at the closest point. Backspacing will be fine
4mulas
Fixem'up
4.25" fits on the small ball joint upper control arms but things do get close at around that 4.25-4.5 mark
The large bolt pattern disc brakes have a slightly wider track than small so seeing as it’s a little further out I think it should accommodate that extra 1/4" from 4.25 to 4.5’" BS
The large bolt pattern disc brakes have a slightly wider track than small so seeing as it’s a little further out I think it should accommodate that extra 1/4" from 4.25 to 4.5’" BS
michiganpat
Well-Known Member
that's an additional 1/2" positive offset compared to typical RWD mopar rims (typical is ~+1/4" positive offset, 6.5" with 4.5" backspace is 3/4" positive offset).
on the plus side is if it's normally the front corner of the wheelwell opening that's the limitation, the additional positive offset should help
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