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fred93 05-18-2018 05:30 PM

1929 tire questions
 

Getting ready to purchase new tires for a 29 Tudor. I see lots of options online so I am confused.

What is the correct tire size for the 1929 Model A ?

I see tires out there that have nylon cords--but I remember some cars that I owned back in the day that had nylon tires and they had a tendency to get flat spots whenever the car sat for awhile. It would take some driving for them to get round again. I don't like that situation, so I guess nylon tires are out, unless they have been improved! I called Lucas Tire in CA and asked if the Olympic Tread Blackwall was a nylon cord tire and they said yes it was, but they said that they were NOT having problems with the tires getting flat spots after sitting. Anyone have any feedback on that? https://www.lucasclassictires.com/44...?categoryId=-1

Then I have seen several different sizes as well. 440/450 21 450/475 21
What is the correct size?

WHN 05-18-2018 06:12 PM

Re: 1929 tire questions
 

We have nylon Firestone’s on our 29. It sits from November until May. We have not had a problem with flat spots. Keep inflated at 35 psi. Enjoy.

Fred K-OR 05-18-2018 07:59 PM

Re: 1929 tire questions
 

I use Firestone whitewalls on both of my 1929's. The seem to work OK. Don't think they are nylon.

1955cj5 05-18-2018 08:55 PM

Re: 1929 tire questions
 

I have the Lucas 440/450 21's. They seem to work fine.

I think any bias ply tire flat spots a bit when they are allowed sit for a period of time. ( I have a jeep with NDCC military style tires and it'll bounce you good for a mile or two)

A short drive usually rounds them out.

A few days of sitting does not seem to bother them.

Fred K-OR 05-18-2018 09:13 PM

Re: 1929 tire questions
 

I find that my coupe will have flat spots for a little while when I take off.

katy 05-19-2018 09:06 AM

Re: 1929 tire questions
 

Quote:

What is the correct tire size for the 1929 Model A ?
From the Model A Instruction Manual: Tires 21 x 4.50 Balloon.

http://www.motormayhem.net/wp-upload...ion-Manual.pdf

Simonpie 05-19-2018 09:22 AM

Re: 1929 tire questions
 

1 Attachment(s)
WhenI got my new tires, I wanted to try Blockleys. They didn't make a 4.50-21, but said the 5.25 would shoehorn on and work well. I'd have to say they were right. The tires look like they fit, seem to work well, and are pretty flat across the tread. You can see a slight crowning. I have only done a few trips on them, but haven't noticed flatting while parked.

Synchro909 05-19-2018 10:42 AM

Re: 1929 tire questions
 

Original size is 4.5 X21 but my cars are drivers so I go for roadholding more than appearance. 5.25X21 give better road manners and about 5% higher gearing. I think we’ll worth the extra $.

oldforder 05-19-2018 10:44 AM

Re: 1929 tire questions
 

I have Lucas tires that are almost new,( were on the car when I bought it) and they don't seem to have flat spots after sitting for several weeks at a time during the winter. I do keep them aired up, and in a garage where the temp never gets below freezing, if that makes any difference.

denniskliesen 05-19-2018 10:26 PM

Re: 1929 tire questions
 

I have the Lucas tires too. And they will be the last set I buy. Mine have low miles on them and are going to be replaced soon. No problems with flat spots.

oldforder 05-21-2018 04:37 PM

Re: 1929 tire questions
 

Quote:

Originally Posted by denniskliesen (Post 1630965)
I have the Lucas tires too. And they will be the last set I buy. Mine have low miles on them and are going to be replaced soon. No problems with flat spots.

I don't understand. If they have low miles, why are they going to be replaced soon, and why will they be the las set you buy. Are you saying they are good or bad?

denniskliesen 05-22-2018 01:41 AM

Re: 1929 tire questions
 

Low miles and worn out. I drive much more in a year than the average Model A owner. I need more than 5,000 miles from a tire before it needs to be replaced.

JohnLaVoy 05-22-2018 09:08 AM

Re: 1929 tire questions
 

1 Attachment(s)
The choices are varied on tires. You need to decide on what you want. Goodyears have the correct size and wear pretty well. If you want mileage get the Excelsior radials you get a 50,000-mile warranty with those.
Our roadster pickup is running the Excelsior tires.

denniskliesen 05-22-2018 10:31 AM

Re: 1929 tire questions
 

What is the correct tire size for the 1929 Model A ?

21" wheels are the correct original size for your car. They do not make a recommended radial for 21" wheels on a Model A.

M2M 05-23-2018 01:33 AM

Re: 1929 tire questions
 

Quote:

Originally Posted by Simonpie (Post 1630753)
WhenI got my new tires, I wanted to try Blockleys. They didn't make a 4.50-21, but said the 5.25 would shoehorn on and work well. I'd have to say they were right. The tires look like they fit, seem to work well, and are pretty flat across the tread. You can see a slight crowning. I have only done a few trips on them, but haven't noticed flatting while parked.


Wow, 130mph rated Blockley bias ply tyres on a Model A !!! :eek:


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