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235 or 255/60x15 M.T. ET Street Radial on 70 Duster #641727
03/16/10 11:43 AM
03/16/10 11:43 AM
Joined: Apr 2009
Posts: 447
NJ
JCCuda Offline OP
mopar
JCCuda  Offline OP
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Time to buy new tires. The car is a 1970 Duster, 8 3/4 , 4" bolt pattern, 10 " drums, superstock springs(002&003)the front hangers are reversed to get the back of the car down. The wheels are 15x7 4" bolt pattern Wheel Vintiques Rallye's. I do not want to roll the lip or cut the wheel well opening as this is a 37,000 mile original paint car. I tried finding this info in the archives but couldn't. This is my 1st. post, I'm going to attempt a picture attachment so please have patience.

5868689-duster7-12-09.jpg (338 downloads)
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: JCCuda] #641728
03/16/10 02:08 PM
03/16/10 02:08 PM
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State of confusion
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Thumperdart Offline
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State of confusion
Welcome..........I dont run radials so not sure about the sizes fitting or not but before I cut my openings and tubbed my dart, I ran the 26" Hoosier qtp`s and they worked great.


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: JCCuda] #641729
03/16/10 02:17 PM
03/16/10 02:17 PM
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85086
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Lil Herman
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On my 70 Dart 245/60/15 on a 15" wheel with 4.5" backspace fit with room. I would go with the 255/60/15 on a Duster.


56 Plaza 63 D100 step side 67 Coronet, 68 Roadrunner, 69 Super Bees, 69 Coronet 500 convertible, 70 Roadrunner Post, 79 D150 360, and a severe case of Mopar a,d,d
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: JCCuda] #641730
03/16/10 02:29 PM
03/16/10 02:29 PM
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Ontario.Canada
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can.al Offline
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..i went 225/70.
they look a little small but it keeps the tires within the confines of the wheelwell and still appears stock.
i have seen lots of dusters with 275/15/60.gives the car a nasty attitude but won't look stock ...
what do wheel vintiques charge for 15 x 7 small bolt ralleyes?
i was on their web site and can't find the prices.

Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: JCCuda] #641731
03/16/10 03:56 PM
03/16/10 03:56 PM
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Indiana
W5Duster436 Offline
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I have 255/60/15's on mine with 15x7 4" bc rallyes with no problems at all.

I am going to 15x10 5.5BS and 275/60/15's soon.

5869148-002.JPG (735 downloads)

'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: JCCuda] #641732
03/16/10 04:05 PM
03/16/10 04:05 PM
Joined: Jun 2003
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Romeo MI
MR_P_BODY Offline
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Welcome to you... cant help ya on the tires

Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: can.al] #641733
03/16/10 04:21 PM
03/16/10 04:21 PM
Joined: Apr 2009
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JCCuda Offline OP
mopar
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NJ
I bought the wheels from Summit they were $109.00 each. The slick's on the car now are 8x26x14 and they work well, unfortunately the sidewall's are cracked so since I'm buying I figured I would get something I can drive to the track with instead of trailering or changing tires at the track although changing tires at the track did bring back memories I just think they should remain memories. I figured the width of the 255x60's would be fine, it's the 27.1" advertised height that concerns me. If anyone has pictures I would appreciate seeing them.

Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: W5Duster436] #641734
03/16/10 04:33 PM
03/16/10 04:33 PM
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NJ
JCCuda Offline OP
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They look like they fit nice. Do you know what the backspacing is on your 15x7's and what diameter the tires are? How much room between the tire and the spring? And finally do you have any pics. of the car from behind?

Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: JCCuda] #641735
03/16/10 05:54 PM
03/16/10 05:54 PM
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Rock Springs
Bob_Coomer Offline
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Lots of guys dont know what the first numbers actually mean...Its actually a measurement of the sidewall/bead up the side wall to the center of the tires in Metric units.
So the larger first numbers always means both increase in height, and also foot print... I always put the largest set of tires possible when I order, of coarse taking in account gear also.
Said that there's not going to be a bunch of diff between the two..


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: JCCuda] #641736
03/16/10 06:50 PM
03/16/10 06:50 PM
Joined: Jan 2003
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Indiana
W5Duster436 Offline
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Quote:

They look like they fit nice. Do you know what the backspacing is on your 15x7's and what diameter the tires are? How much room between the tire and the spring? And finally do you have any pics. of the car from behind?




I think those rims only come with one backspace IIRC. I have no idea what it is either. There is plenty of room and height for a 255/60/15 on your car. No problems whatsoever. I know guys running the 15x7 with 275/60/15's with no modifications. They are pretty tight up to the leafs though.

I can run outside and snap some pics of the 255's but trust me there is no problem running them. If you already have 15x7 with SBC on your car then you have the same rims I have. 255's I believe are ~27.05 diameter.

I am actually going to be copying 67Wedge's son's duster. I think they ran 15x10 w/5.5BS and 275's without even moving the leaf springs. It is the best looking stance I have ever seen on a duster. I'll attach a pic of it for you. PM 67Wedge for more info.

5869445-100_1496.jpg (740 downloads)
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: W5Duster436] #641737
03/16/10 07:06 PM
03/16/10 07:06 PM
Joined: Jan 2003
Posts: 4,084
Indiana
W5Duster436 Offline
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Here are some pics of mine. Forgot to measure but i'd say 1/2-3/4" clearance to the leafs.

5869474-SUC51181.JPG (237 downloads)

'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: W5Duster436] #641738
03/16/10 07:07 PM
03/16/10 07:07 PM
Joined: Jan 2003
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Indiana
W5Duster436 Offline
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Never even noticed until i took this picture that at some point the lips were finessed..

5869477-SUC51182.JPG (144 downloads)

'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: can.al] #641739
03/16/10 07:10 PM
03/16/10 07:10 PM
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Indiana
W5Duster436 Offline
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Quote:

..i went 225/70.
they look a little small but it keeps the tires within the confines of the wheelwell and still appears stock.
i have seen lots of dusters with 275/15/60.gives the car a nasty attitude but won't look stock ...
what do wheel vintiques charge for 15 x 7 small bolt ralleyes?
i was on their web site and can't find the prices.




I'll be going to 4.5" bolt circle in a few months and will be selling my 15x7 4" BC. If interested PM me.


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: W5Duster436] #641740
03/18/10 05:33 PM
03/18/10 05:33 PM
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knyech1 Offline
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Quote:

255's I believe are ~27.05 diameter.




Not true.
The first number is the WIDTH, in millimeters. The second it the aspect ratio, a number representing a percentage of the width, which gives you the sidewall height from rim edge to top of tire. Say you have a 225/60R15; 225 is 8.86" WIDE and 60% of that is 5.316", so you double that (10.632"), add your rim height (15"), and you have your tire HEIGHT, which in this case would be 25.632"


knyech1- '71 Sassy Grass Demon 340/904. Pump gas, 1.61 60ft, 7.439 1/8 @ 95mph, 11.824 1/4 @ 111mph "Not too bad for a pump gas 340, full of used parts and hillbilly ported stock heads." - V.B. '03 2500 5.9L HO 6-spd on 35's. 395hp/755ft-lb at tires.
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: knyech1] #641741
03/18/10 06:31 PM
03/18/10 06:31 PM
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sweden
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i think a 275/60-15 et street radial would work with the right ofset but it may be very close, also from what i have learnt by fliping the pages of diferent catalogs i have noticed that the size in mm isnt realy telling you alot except sizing within the same series of tires since diferent manufacturers of tires seems to measure at diferent points, when reading some tire catalogs i noticed that there is a pretty big diferens in sidewall with and thread with on something that is advertised as the same size tire i have had a 255/60-15 mt et street radial tire without a rim and held it in my stock wheelwells on my duster and im sure they would fit without trouble if the ofset is fairly right

Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: knyech1] #641742
03/18/10 06:49 PM
03/18/10 06:49 PM
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Indiana
W5Duster436 Offline
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Quote:

Quote:

255's I believe are ~27.05 diameter.




Not true.
The first number is the WIDTH, in millimeters. The second it the aspect ratio, a number representing a percentage of the width, which gives you the sidewall height from rim edge to top of tire. Say you have a 225/60R15; 225 is 8.86" WIDE and 60% of that is 5.316", so you double that (10.632"), add your rim height (15"), and you have your tire HEIGHT, which in this case would be 25.632"




Yep, a 225 would be that and a 255 would be 27.05 exactly as I stated. ??


'70 Duster - SDSS 436 W5 4spd (Gone)
'71 Dodge D100
'70 Dodge W100
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: W5Duster436] #641743
03/19/10 12:37 AM
03/19/10 12:37 AM
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Mopar Lane,Mississippi
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67HEMI Offline
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On our Duster we did move the leaves in with the 3/4 offset shackle kit from Mopar and trimmed the outer wheel lip. I think your best bet would be a 255/60/15 with no trimming


'33 Plymouth 5 Window Coupe Blown Aluminum HEMI w/bolt ons (under construction) '69 Chrysler 300 Convertible 375 HP 440 '71 Plymouth Duster 360 W/EFI (Wife's Ride) '12 Ram MegaCab Dually 6.7 Cummins
Re: 235 or 255/60x15 M.T. ET Street Radial on 70 Duster [Re: W5Duster436] #641744
03/20/10 01:23 PM
03/20/10 01:23 PM
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IL
knyech1 Offline
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IL
Quote:

Quote:

Quote:

255's I believe are ~27.05 diameter.




Not true.
The first number is the WIDTH, in millimeters. The second it the aspect ratio, a number representing a percentage of the width, which gives you the sidewall height from rim edge to top of tire. Say you have a 225/60R15; 225 is 8.86" WIDE and 60% of that is 5.316", so you double that (10.632"), add your rim height (15"), and you have your tire HEIGHT, which in this case would be 25.632"




Yep, a 225 would be that and a 255 would be 27.05 exactly as I stated. ??




In this particular case, yes. I was just making it clear, because it seemed to me that you were implying that "255's...are ~27.05in diameter", which is exactly what you wrote and nothing more to explain that you were talking about that particular tire size of 255/60R15







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