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Re: Tire Size for 1970 Plymouth GTX
[Re: stumpy]
#1754470
02/14/15 06:00 PM
02/14/15 06:00 PM
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Joined: Jun 2004
Posts: 3,384
St. Charles, MO
wingman
Uncreative Title
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Uncreative Title
Joined: Jun 2004
Posts: 3,384
St. Charles, MO
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I run 235 fronts and 255 rears with room to spare, but mine are 15s.
As I'm sure you know, in this day and age your choices in a 14 inch tire will be limited. Even 15s are getting harder to find.
1969 Dodge Coronet Super Bee 383 A4
1970 Plymouth Road Runner 440 FC7 (sold)
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Re: Tire Size for 1970 Plymouth GTX
[Re: stumpy]
#1754471
02/14/15 06:02 PM
02/14/15 06:02 PM
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Joined: Feb 2015
Posts: 265
Philadelphia, PA
GTXKARL
OP
enthusiast
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OP
enthusiast
Joined: Feb 2015
Posts: 265
Philadelphia, PA
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Thank you for giving me the link to the Google seacrh b,ut those are all coming up as fifteen icnch rims. I'm looking for someone who has a Roadrunner or a GTx to be able to give me the answer. Thank you though for trying!
Thank you very much. understand their hard to come by, but if anyone else knows of anything it would be helpful.
Last edited by helpgtxkarl; 02/14/15 06:03 PM.
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Re: Tire Size for 1970 Plymouth GTX
[Re: mickm]
#1754474
02/16/15 10:07 PM
02/16/15 10:07 PM
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Joined: Feb 2015
Posts: 265
Philadelphia, PA
GTXKARL
OP
enthusiast
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OP
enthusiast
Joined: Feb 2015
Posts: 265
Philadelphia, PA
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Do you know how wide a tire in fourteen inches on the front and the back would fit on my GTX? Thanks.
Last edited by helpgtxkarl; 02/16/15 10:08 PM.
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Re: Tire Size for 1970 Plymouth GTX
[Re: mopar346]
#1754476
02/17/15 02:34 PM
02/17/15 02:34 PM
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Joined: Jun 2005
Posts: 5,107
Western Md.
skicker
"The Champ"
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"The Champ"
Joined: Jun 2005
Posts: 5,107
Western Md.
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14" tires are difficult to get. If there's any way possible I think I would look into something else. My 70 Satellite is identical to the GTX and has pretty big 17" tires on it. I don't think you can get a 14" tire that is too big for a GTX rear wheel well. If your hardcore on the 14's there are some old bias tires that are reproduced. Maybe L-60's an the rear with G-60 up front should get the stance right.  They do make a 28"x9" slick in a 14". That's probably as big as you'll find. Kind of tough to help out with the information provided...
...FAFO...
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Re: Tire Size for 1970 Plymouth GTX
[Re: skicker]
#1754477
02/17/15 04:38 PM
02/17/15 04:38 PM
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Joined: Jan 2003
Posts: 17,517
Las Vegas, NV
6bblgt
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,517
Las Vegas, NV
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There are NO G60 or L60 14" tires being reproduced.  If you are going for the FACTORY STOCK LOOK with stock 14x5.5" "ROAD" or "RALLYE" wheels (14x6.0" w/hub caps-wheel covers) the 225/70/14 is your best/only option. 245/60/14s are available & will fit the wheel wells, but are SHORT! & should be mounted on wider wheels.
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Re: Tire Size for 1970 Plymouth GTX
[Re: GTXKARL]
#1754479
02/18/15 07:00 PM
02/18/15 07:00 PM
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Joined: Jun 2005
Posts: 5,107
Western Md.
skicker
"The Champ"
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"The Champ"
Joined: Jun 2005
Posts: 5,107
Western Md.
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225-70 and 225-60/14's will fit no problem.
...FAFO...
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Re: Tire Size for 1970 Plymouth GTX
[Re: GTXKARL]
#1754480
02/18/15 07:19 PM
02/18/15 07:19 PM
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Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
OzHemi
Penguin-hating Ginger
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Penguin-hating Ginger
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
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Quote:
I would like to know if I can get to 225 70's in 14 inches on the fronnt and would it be possible to get 225 60s on the back?
Keep in mind though, a 225/70 is 26.5" tall and a 225/60 is only 24.7" tall...might look kind of odd with shorter tires on the back like that?
As well, a 225/60 is going to look kinda small in the rear wheel well of a B body I think at least.
A 245/60 is a little taller at 25.6" and at least has a little more width to help fill things out. 
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Re: Tire Size for 1970 Plymouth GTX
[Re: JMCFAN]
#1754483
02/18/15 11:36 PM
02/18/15 11:36 PM
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Joined: Jul 2007
Posts: 11,836
Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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You might check the tires available, I don't see any 245 60 14s on the Summit site. I would think you want your rear tires at least as tall as your fronts with MAYBE a 1/2 inch shorter still looking OK. As for the tire numbers the first number ie 225 is the tread width, the series/second number ie 60 or 70 is the heigth of the side wall which is a percentage of the tread width 60% or 70%, the third number is the size of the rim diameter, 14, 15, 16, etc. This is why the 225 60 is shorter than a 225 70 on the same diameter rim. This a rough explanation but pretty accurate from everything I know.
Careful, your character's showing!
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Re: Tire Size for 1970 Plymouth GTX
[Re: gtx6970]
#1754488
02/19/15 02:18 PM
02/19/15 02:18 PM
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Joined: Mar 2012
Posts: 959
france
jose jones
super stock
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super stock
Joined: Mar 2012
Posts: 959
france
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Quote:
225-70-14 will fit stock 14" factory wheels just fine.
But like mentioned get lost under the car.
And No way would I put a 60 series 14" tire under ,,it looks even worst.
Uping them to a 15" tire is a much better move
IMO
I just put a set of 17x7's and 17x8's on a 68 B-Body for a friend they look really good also
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Re: Tire Size for 1970 Plymouth GTX
[Re: GTXKARL]
#1754496
02/22/15 05:51 PM
02/22/15 05:51 PM
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Joined: Jan 2003
Posts: 6,224
JERSEY
RJS
master
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master
Joined: Jan 2003
Posts: 6,224
JERSEY
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Quote:
Hi forphorty.
Thank you for answering my request for help. I'm going to break down and buy the rear wheels from Summit. What is the best size for the back and what size do you think I should get for the front? And what size tires for the front and rear? It's for a 1970 B-Body. Thanks for the help!
I read the whole post and understand your uncertainty. In your last post that I quoted here it sounds like you are now going to buy some 15x7 Rallyes from Summit. Am I assuming correctly?
Here is my old 70 GTX with 235 60-15 front and 275 60-15 rear. In a perfect world I would have used 245 60-15 for the front but got a deal on these.
If 275 60-15 seems too tall for you then go with 245 60-15 front or rear or 255 60-15 rear.
Hope this helps.
Ron
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Re: Tire Size for 1970 Plymouth GTX
[Re: GTXKARL]
#1754498
02/22/15 07:49 PM
02/22/15 07:49 PM
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Joined: Jan 2003
Posts: 6,224
JERSEY
RJS
master
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master
Joined: Jan 2003
Posts: 6,224
JERSEY
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Quote:
So Ron your saying to get 245- 60-15's for the front? You said to get 275-60-15s for the rear? Are you sure the ones you suggested for the front will work? Futhermore the rim size ...do I get 4 rims that are 15x7? Thanks for your help! Nice Car! Are you anywhere near atco? Karl
Yes 245 60-15 fit without issue, they are the interchange for the factory F 60-15 Bias Ply tire. I prefer 15x7 rims so the trim rings fit correctly and because they are the factory option.
You can put 245 60-15 on rear also to mimic factory size ( F 60-15).
Then I suggested if you thought 275 60-15 was too tall you could also use 255 60-15 on rear.
Here is my other old GTX with Bias Ply GoodYears F 60-15 on 15x7 rims.
I'm less than an hour from Atco.
Ron
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Re: Tire Size for 1970 Plymouth GTX
[Re: Airgrabber]
#1754506
02/23/15 02:20 AM
02/23/15 02:20 AM
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Joined: Jan 2003
Posts: 17,517
Las Vegas, NV
6bblgt
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,517
Las Vegas, NV
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If you're buying the 15x7.0" wheels from Summit, buy the Wheel Vintiques 15x7 polished trim rings also. Here's 245/60s & 295/50s on 15x7s  (I prefer the 275/60s on the rear)
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Re: Tire Size for 1970 Plymouth GTX
[Re: 6bblgt]
#1754509
02/23/15 02:34 AM
02/23/15 02:34 AM
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Joined: Jan 2003
Posts: 17,517
Las Vegas, NV
6bblgt
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,517
Las Vegas, NV
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While there is no perfect cross reference, because tire measurements are left to the manufacturer - the following is the best practical reference to cover all musclecar era sizes. Tread width is no-where in the tire size spec. D70-14 = 195/70/14 E70-14 = 205/70/14 F70-14 = 215/70/14 G70-14 = 225/70/14 H70-14 = 235/70/14 E70-15 = 205/70/15 F70-15 = 215/70/15 G70-15 = 225/70/15 H70-15 = 235/70/15 E60-15 = 225/60/15 F60-15 = 235/60/15 G60-15 = 245/60/15 H60-15 = 255/60/15 J60-15 = 265/60/15 L60-15 = 275/60/15 & everyone likes/wants bigger tires
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Re: Tire Size for 1970 Plymouth GTX
[Re: 6bblgt]
#1754510
02/23/15 10:37 AM
02/23/15 10:37 AM
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Joined: Jul 2007
Posts: 11,836
Florida
mopar346
Let me tell ya about fat chicks!
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Let me tell ya about fat chicks!
Joined: Jul 2007
Posts: 11,836
Florida
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Thanks Dan, saved good info
Careful, your character's showing!
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Re: Tire Size for 1970 Plymouth GTX
[Re: GTXKARL]
#1754515
02/26/15 01:29 AM
02/26/15 01:29 AM
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Joined: Mar 2012
Posts: 959
france
jose jones
super stock
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super stock
Joined: Mar 2012
Posts: 959
france
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Quote:
I cannot put rims and tires on the car because i need to put a lot of money into getting it running. So I have to use the rally wheels I have. I know everybody's says they look small, but the biiger rims are not in the budget. So can I put 215 70 14s on the front and 225 70s on the rear? I just want the back tires to be a bit wider than the front. Sorry, and thanks for the help. 
14's look small on a big B-body you will most likely be disappointed with the look, If you can't afford 15x7 Rally Road wheels go find some cheap steel wheels and run 15 inch tires that way you haven't spent money on 14 inch tires that you will be unhappy with along with having a hard time selling if you ever decide, Then later when you can afford it buy some 15 inch Rally or Magnum 500's 15's are getting hard to find I imagine finding 14's s even more difficult
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