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My 71 Mustang has the inflatable spare tire, which I am planing on keeping, but not planing on using it as a spare. I will keep in the parts museum in my garage. I would like to have a spare tire that fits my brakes, so must be 15". But having a hatchback with fold down seats leaves me with little space in the trunk. Ideally I would like to use the original spare tire lock down, but based on my measurements, it will be hard to fit a tire bigger than 21". The smallest 15" tire I found is the Achilles ATR-K Economist (https://simpletire.com/achilles-165-45r15-man164515-tires) at 21". The maximum rated load is 853lbs, which may be in the low end for the Mustang. Or should I opt for a bigger tire and locate it somewhere in the middle of the trunk. With the latter option, will there be a "neat" way to lock the tire in place?

In any case, you can see my dilemma. Any other ideas or options?

20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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Put the tire on top of the fold-down seat when it is folded down, ala Shelby in 1965.

 

Do you really expect to have more than 1 passenger? If so, then remove the tire, fold the seat back up, and pray you don't have a flat.

Let me check your shorts!

http://midlifeharness.com

cactus.jpg.92e5d9d8700abc0ed60c8ccb3426248e.jpg

 

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I have a donut spare that the PO added to the car. He said it came from a mid 80's Lincoln that a guy he met from Ford told him would work. I can see if I can get a part number next time I am at the garage if you want. I keep it in the trunk along with the original spare.

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It's not just the load rating. I've always been advised that the spare's circumference should match the rear tires if a car has limited slip.

Yes, but what you would do is place the smaller tire in the front. So if your rear goes flat you have to move the front to the rear and then place the spare in the front. A lot of work but allows you to carry a small spare.

 

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20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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I have a donut spare that the PO added to the car. He said it came from a mid 80's Lincoln that a guy he met from Ford told him would work. I can see if I can get a part number next time I am at the garage if you want. I keep it in the trunk along with the original spare.

Sure. Would you know the tire diameter or size? Do you carry the second one laying in the trunk without being attached?

 

Sent from my SAMSUNG-SGH-I337 using Tapatalk

20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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It's not just the load rating.  I've always been advised that the spare's circumference should match the rear tires if a car has limited slip.

Yes, but what you would do is place the smaller tire in the front. So if your rear goes flat you have to move the front to the rear and then place the spare in the front. A lot of work but allows you to carry a small spare.

 

Sent from my SAMSUNG-SGH-I337 using Tapatalk

 

Great point.  I never considered that but I usually use larger rears whenever possible.

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Keep a can of fix a flat, a tire plug kit, and a portable dc compressor in the car and splurge on a AAA membership

http://www.7173mustangs.com/gallery/1_01_07_15_8_53_18.png

 

"I love my Hookers!" and "Get some Strange" probably have a different connotation to non automotive enthusiasts!

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Keep a can of fix a flat, a tire plug kit, and a portable dc compressor in the car and splurge on a AAA membership

You guys are practical.... i may throw a small tire just as an insurance. I think i can drive a few miles with a smaller tire in the front if need be.

 

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20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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I got a space saver spare from a Crown Vic and it fits ok. Good enough to get me to a place to fix the flat.

-john

(jbojo)

351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,

C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

 

Some Mod pictures can be seen at: [button=http://www.7173mustangs.com/forum-garage?filterxt_uid=2026]Bojo's Garage[/button]

 

 

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I got a space saver spare from a Crown Vic and it fits ok. Good enough to get me to a place to fix the flat.

Does this space saver tire fit where the stock spare tire was located (passenger side of the trunk)?

Can you tell me the dimensions of your space saver tire?

 

Sent from my SAMSUNG-SGH-I337 using Tapatalk

20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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I got a space saver spare from a Crown Vic and it fits ok.  Good enough to get me to a place to fix the flat.

Does this space saver tire fit where the stock spare tire was located  (passenger side of the trunk)?

Can you tell me the dimensions of your space saver tire?

 

Sent from my SAMSUNG-SGH-I337 using Tapatalk

 

It fits but at an angle.  My car is kept in storage so I wouldn't be able to get dimensions until the weekend.

 

EDIT: Just looked a Crown Vic in 1994 used a P 215-70 x 15 tire. Diameter was 26.8"

-john

(jbojo)

351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,

C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

 

Some Mod pictures can be seen at: [button=http://www.7173mustangs.com/forum-garage?filterxt_uid=2026]Bojo's Garage[/button]

 

 

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I have a donut spare that the PO added to the car. He said it came from a mid 80's Lincoln that a guy he met from Ford told him would work. I can see if I can get a part number next time I am at the garage if you want. I keep it in the trunk along with the original spare.

Sure. Would you know the tire diameter or size? Do you carry the second one laying in the trunk without being attached?

 

Sent from my SAMSUNG-SGH-I337 using Tapatalk

 

I believe it has the same diameter but maybe that is only with a stock tire for the car. I do leave it laying in the trunk, It doesn't slide around. I will get the diameter and take a pic of it in the trunk.

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  • 1 year later...

I have recently restored 71 Mach 1 back to original . 351C 4V with factory air. It is in body shop being painted this week. I am missing the space saver spare tire , jack and lug nut wrench. I have heard that a space saver from a Crown Victoria, Lincoln or Marquis would fit , any idea what years?

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I have the same one. It is a poor fit in the trunk. My 2015 Mustang comes with an inflator with a switch to pump in fix a flat. They are on ebay regularly for under 40 bucks

http://www.7173mustangs.com/gallery/1_01_07_15_8_53_18.png

 

"I love my Hookers!" and "Get some Strange" probably have a different connotation to non automotive enthusiasts!

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I appreciate your input, do you think the tire will still fit as car has a fold down rear seat and the panel that drops back into the trunk.

20170601-110035.jpg

 

20171129-153441.jpg

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Hey spare tire is not really needed in today's world. The new mustangs do not have any spare just a pump in the well in the back. Lots of cars have no spare today. How many blow outs have you had? A screw or nail in the tire you can plug it or just pump up and go until you get home or to tire shop. With a cell phone and your road side assistance help will be there quick. Not like you are going to walk miles on a dark lonely road today. You do not have to worry about burning out the rear. A donut spare will get you home. If you have a space saver spare I think it is 14" not 15". Hey I never used my space saver spare in my Mach 1. I have only had 3 blow outs in over 2,000,000 miles and I was just running it till there was nothing left.

Keep check on your tire pressure each time you go out you will never have an issue.

I also bought a 72 vert that the spare had never been used.

I would love to sell you insurance would be an easy sale. Me not so.

Just drive it no worries.

When a man is in the woods and talks and no women are there is he still wrong??:P

David

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I ended up getting a 125/80D15 donut. It was the tallest i found that would fit in the trunk. It fits very nicely at an angle. I forgot what car it came from, but I found it with the correct stud pattern.

Edit: checking my ebay emails, the tire/wheel combo was from a 2010-2013 Kia Forte

 

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20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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I put a donut spare in my Mustang. When I got a flat I put the spare on. 5 miles later the spare disintegrated, left me in a bad part of town, and I had to get a tow home.

A flat donut spare you cannot get the jack under the car to lift it up. 

 

Lesson is those donut spares from the wrecking yard are too old already. Get a new one from a dealer or just call a tow truck.

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I don’t have a spare tire in my trunk. If I did then I would never get my golf clubs in there! Lol, I agree with David, with the cell phone just cruise around and not worry about getting a flat. I guess if I was driving in some remote areas that would be different.

John - 72 Q Code

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Never would have thought a Kia rim would fit a ford mustang but I guess there are only so many stud pattern combinations. The Kia option opens up a whole new search area

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I found a website that gives you the lug patterns for cars so then you can find all that match. Other factors i looked at was the age, size and load capacity of the donut. It took a lot of research to find the right one at the right price.

Here is how the ugly donut looks like on. In my case it is about 1.5" lower.

I agree with the statement of being careful how old the donut is. I will feel comfortable if it is up to 10 yeards old. Probably 15 if never used. Tires can degrade from the inside out due to the oxygen in the air oxidizing the rubber.20170505_002208.thumb.jpeg.f87bfff51236adf55ba2810e0eac0796.jpeg

 

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20160929_171923_edit2_small.jpg

 

1971 M-Code Mach 1 w/Ram Air, 408 stroker, 285/291 0.558" roller cam, Blue Thunder intake, TKO600, Hooker headers with electric cut-offs, FiTech EFI w/ RobBMC PowerSurge pump

Strange center section with Truetrac, 3.5 gear and 31 spline axles, 4-wheel disc brakes

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On the worries about the rear with two different sizes. If you have flat on the rear swap out a front tire and put the donut on the front.

While in Africa my gal fiend came over and I took her for a two week tour. We were in my beat up old Toyota pick up in the middle of nowhere on the ranch I work on. Boom blew left front tire. Had a hole 6" long. So no problem I have a spare. I flip the seat up and what NO JACK. It is miles back to the ranch house and she cannot walk that far and don't want to leave her there. So being an engineer I figured out how to change tire without a jack.

I went over to the fence row and they leave fence posts along the way in case one breaks. I got two fence posts carried back the truck. There are rocks everywhere so I stack up rocks in front of the truck to angle the posts like a ramp under the bumper. I then pile up rocks in front of the flat tire like a ramp and then a high pile. So I drive up the pile of rocks and then wedge the fence posts to the bumper. Knock the rocks out from under the tire and change the tire and back off the fence posts.

When I got back to the ranch I found out one of the guys borrowed my jack and forgot to put back. I told the owner I had to change the tire without a jack. He did not have a clue how I did it.

As far as age on tires. I have several cars with tires over 15 years old and one that has originals and is a 1950 model. I just do not drive fast or long distance. Just like the donut spares usually say 50 mph max and have a miles limit also.

Some of the drag racers use to use the donut spare wheels for front wheels some are actually aluminum.

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When a man is in the woods and talks and no women are there is he still wrong??:P

David

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