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Author
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Topic: 14 or 15?
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69 Sportsroof
Gearhead Posts: 359
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 10-20-2002 09:23 PM
   
I've got to get new tires. There's no way around it since I had one go flat because the entire side wall sepatated. Ok. Here's my problem - I've got really rusted up 14 inch chrome plated steel wheels that I've got to do something with. My friend at the tire shop is looking for me some Cragar SS blem's in 14 x 7 or 15 x 7. Should I go with a new set of 215/70/14's and tell him to just look for 14's or should I get a used set of tires to get me by until he can find me some 15's? Is there a performance or handling improvement between 14's and 15's or is it more a matter of preference? I was going to go with 235/65's on the 15's.------------------
1969 Mustang Sportsroof
302 with 3 Speed Stick
!!!Totally Stock!!!
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lyle29464
Gearhead Posts: 604
From: Mt. Pleasant S.C.
Registered: Mar 2000
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posted 10-20-2002 11:21 PM
15's would let you upgrade your brakes some day. ------------------
Lyle
69 rag top
93 explorer
98 f 150
20' shamrock 302 "If it has boobs, tires, chips or a prop sooner or later it's going to be trouble."
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Big D
Gearhead Posts: 2956
From: WELLS, NEVADA
Registered: Nov 2000
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posted 10-21-2002 12:43 AM
Will the 235's fit under the front of a '69.. I know they won't on a '66..Don [This message has been edited by Big D (edited 10-21-2002).]
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Rory McNeil
Gearhead Posts: 811
From: Surrey, B.C. Canada
Registered: Nov 2000
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posted 10-21-2002 01:45 AM
Depending on the rims backspacing, a 235 60 14 or 15" tire may or may not fit. On my 69, 235 60r14`s, on 14x7 Magnum 500`s would rub into the raised white letters on the upper ball joint.  ------------------
78 Fairmont 428 4 speed 10.20@130mph
80 Fairmont 302 5 speed 12.8@105mph
85 Mustang NHRA Stocker under construction, 302 5 speed
59 Meteor (Canadian Ford) 2 dr sedan 332, auto
74 F350 ramp truck 390 4spd
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69 Sportsroof
Gearhead Posts: 359
From: Valley, Alabama, USA
Registered: Mar 2002
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posted 10-21-2002 11:18 AM
Looks like I should go 225/65/15. Right now I'm looking for some wheels in order to decide what I'm going to do.
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GTRocks
Gearhead Posts: 1913
From: Lusby, MD, USA
Registered: Jun 99
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posted 10-21-2002 03:20 PM
I upgraded from 14's to 15's on my '66. I also increased the width significantly tho. It made a world of difference, but I'm guessing more of it was due to the new tires being about 1.5 times the width than it did with the increase in rim. One of the best mods I've made in my opinion.I upgraded the whole suspension, and really wasn't overly pleased until I moded the tires. I couldn't utilize the increase in the suspension's abilities with radials! Anyway, the two mods paired is awesome! That '66 handles almost as well as my '93 GT now! 
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wvcat
Gearhead Posts: 144
From: New Cumberland,WV
Registered: May 2001
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posted 10-21-2002 09:08 PM
The way I understand it is that if you have two tires that are the same with the only difference being the rim size, the larger wheel will handle better due to less flex on the sidewall and the smaller wheel will ride smoother because the sidewall will cushion the bumps. I guess its a matter of how you drive your car.
John
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Fastback68
Gearhead Posts: 1035
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 10-22-2002 02:49 AM
For optimum control, as I understand it, go for 14-inch wheels with lower profile tires. I'm switching back from 15 inchers to 14 inchers and higher profile tires because the roads around here are full of pot holes.
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