Wheel interchange

[Burgamot]

I was visiting with another a owner on wheel interchange. The discussion was would a wheel from a 28-29 fit on a 30-31? I said it should with the exception of the hub caps. Who is right?

[tinkirk]

They are all interchangeable other than the caps


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[Charlie Stephens]

They interchange except the caps assuming they are not the AR (early '28) wheels.

Charlie Stephens

[Jim Brierley]

You can also use 1935 Ford 16" wheels or 16" Kelsey-Hays wheels. Later Ford wheels have the same bolt pattern but need a spacer to prevent wheel cracking.

[johnbuckley]

add to all the useful info above .. When I measured them a few years back the fitted 4.50x21 had a rolling perimeter of 2450mms and the fitted 4.75-5.00 x19 had a perimeter of 2300mms... So you may fine the gearing slightly different .. ( I'll let you convert millimetres into feet and inches )

[stevests]

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I ran 18"s on my A 50 years ago.

[Purdy Swoft]

I've used 15 inch wheels on one of my model A's with no problem except it looks more like a hot rod . I also like hot rods and figure if it suits me it is OK .

[DBSHELTON]

Originally Posted by johnbuckley

add to all the useful info above .. When I measured them a few years back the fitted 4.50x21 had a rolling perimeter of 2450cms and the fitted 4.75-5.00 x19 had a perimeter of 2300cms... So you may fine the gearing slightly different .. ( I'll let you convert centimetres into feet and inches )

Damnit, I didn't know there was going to be a math problem to solve!

[McMimmcs]

Originally Posted by tinkirk

They are all interchangeable other than the caps


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My friend has 29 wheels on the back and 31 on the front. And no caps!

[Synchro909]

When I put 19" wheel on the back of my '28, he hubs push the hub caps off and I can't see what is causing the hub/axle to protrude further than it would on a 30-31

[Dave Slater]

Just to complicate your mathematical exercises for the day. A Firestone tyre will have a slightly different rolling perimeter than a Goodyear tyre.

[johnbuckley]

Quote " Damnit, I didn't know there was going to be a math problem to solve!".... Yep and I originally goofed it by quoting the figures as centimtres instead of millimetres!!! I've changed the post now

[Jack Shaft]

16" Ford or Kelsey Hayes wires and modern radials.Better ride,better braking,better handling.
Could never understand the 'looks' argument,the car is safer to drive and a better ride with modern tire sidewall flex and more tread contact..

I believe this is also a reason why the car endured,removing the 21's or 19's on a worn used car and fitting 16's changed how it rode and felt,they were less apt to sell or scrap it.

[Licensed to kill]

Originally Posted by Jack Shaft

16" Ford or Kelsey Hayes wires and modern radials.Better ride,better braking,better handling.
Could never understand the 'looks' argument,the car is safer to drive and a better ride with modern tire sidewall flex and more tread contact..

If you are THAT concerned about safety you should be putting the front fenders back on your car as it would be much safer should you get caught in a rain storm rather than removing them for "looks".

[Jack Shaft]

dont rain much here...but thanks for your concern.

[Ruth]

Originally Posted by Jack Shaft

I believe this is also a reason why the car endured,removing the 21's or 19's on a worn used car and fitting 16's changed how it rode and felt,they were less apt to sell or scrap it.

I believe it was more that it was easier to get 16" tires during the war than 19" and 21" than it was for comfort. That is why a lot of Model A wheels were reduced in size. I just seen a set of 16" "Model A" wheels the other day.

[Jim Brierley]

Ruth, you are absolutely right! During WII, 19's and 21's were not available.

[Joe K]

26-27 Model T wire wheels LOOK like the 28-29 Model A wheels - but the bolt circle is different and won't fit.


Joe K

[shew01]

Originally Posted by Jim Brierley

Ruth, you are absolutely right! During WII, 19's and 21's were not available.

I didn’t know that. How come the 19’s and 21’s were not available, but 16’s were available?


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[Ruth]

Originally Posted by shew01

I didn’t know that. How come the 19’s and 21’s were not available, but 16’s were available?

Shortage of rubber, all rubber went for war effort. Not too many Jeeps and trucks with 4.75X21 tires.

They rationed gasoline not because we didn't have gas, it was to cut down on people driving and using up their tires. Most all latex came from Asia with some coming from Brazil.

Plenty of good books with interesting facts about the WWII. IMO, none of the good stuff was taught in school.

[Synchro909]

Originally Posted by Ruth

Shortage of rubber, all rubber went for war effort. Not too many Jeeps and trucks with 4.75X21 tires.

They rationed gasoline not because we didn't have gas, it was to cut down on people driving and using up their tires. Most all latex came from Asia with some coming from Brazil.

Plenty of good books with interesting facts about the WWII. IMO, none of the good stuff was taught in school.

I find it amazing how the same event can be almost unrecognisable from one country to another. When an English guy arrived over here a few years back, he said something about what a wonderful leader was Churchill. He was amazed when he saw how reviled he is here. Similarly, the Boston tea party depends on who is telling it. No one doubts that the Palestinians have a different view of Israel from many other countries.
IMO, what one person considers "the good stuff" is not likely what everybody does.

[Jack Shaft]

All tires were rationed during WW2,a family was allowed five tires of any condition and had to prove an 'essential for the war effort' reason to buy new from 1941 to 1945..all tires,not just 4.75-19 or 21..so the idea you could buy new 16" tires for your converted model a is wrong,in fact, the whole WW2 excuse for 16" rims is wrong..

[Ruth]

Originally Posted by Jack Shaft

All tires were rationed during WW2,a family was allowed five tires of any condition and had to prove an 'essential for the war effort' reason to buy new from 1941 to 1945..all tires,not just 4.75-19 or 21..so the idea you could buy new 16" tires for your converted model a is wrong,in fact, the whole WW2 excuse for 16" rims is wrong..

I was going to comment on your response but decided it wasn't worth it. Instead I will post a picture of some Model A rims that were cut down to use 16" tires because they were more plentiful than obsolete Model A size tires during WWII.

[Benson]

Originally Posted by Synchro909

When I put 19" wheel on the back of my '28, he hubs push the hub caps off and I can't see what is causing the hub/axle to protrude further than it would on a 30-31

Service Bulletin page 328 says that B style wheels should NEVER be installed on AR hubs as they donot fit correctly and doing so is dangerous and will result in cracked wheels with possible wheel failures.


Fig 662 shows why hubcaps are being forced off by the hubs.


Similar but different problems if installing AR wheels on B hubs.

[Jack Shaft]

Originally Posted by Ruth

I was going to comment on your response but decided it wasn't worth it. Instead I will post a picture of some Model A rims that were cut down to use 16" tires because they were more plentiful than obsolete Model A size tires during WWII.

Your citing false history is what's not worth it,get your facts right.Cutting down model a wheels to fit 16's? ha,a handful.KH made money selling 16" bolt ons,made thousands of them.I know its difficult,but think about how many model A's survived with stock wheels..All tires were out of production,not just A tires for consumers...that's fact.

16" tire were a popular upgrade,the car rode, stopped and handled better.Its not rocket science to understand that more tread contact provides a better driving experience

[Synchro909]

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Originally Posted by Benson

As has been posted here many times, Service Bulletin page 328 says that B style wheels should NEVER be installed on AR hubs as they donot fit correctly and doing so is dangerous and will result in cracked wheels with possible wheel failures.


Fig 662 shows why hubcaps are being forced off by the hubs.


Similar but different problems if installing AR wheels on B hubs.

The car does not have AR hubs. The 21" wheels are the later type.

[katy]

When an English guy arrived over here a few years back, he said something about what a wonderful leader was Churchill. He was amazed when he saw how reviled he is here.

What do the Ausies have against Churchill?

[Jack Shaft]

Gallipoli

[katy]

That explains it, that was a real tragedy.

[Jack Shaft]

Today its hard to understand how devastating the machine gun was,Those boys on that beach found out all to well.

[Synchro909]

Originally Posted by Jack Shaft

Gallipoli

No, it's not Gallipoli. Although a bit longwinded, this will explain
https://www.pacificwar.org.au/battau...Australia.html
And another
https://www.naa.gov.au/learn/learnin...ston-churchill
Churchill was prepared to leave Australia to fall to the Japanese so long as he had our troops to help defend England in an invasion that never came. A lying, betraying @$$hole!

BTW, this was after the Japanese had launched an air attack already on Darwin (in our north). Americans still seem to believe that the 1 hour and 15 minutes single wave attack on Pearl Harbour was terrible, and it was but the attack on Darwin went on for 6 weeks and they came back 69 times. This country was under extreme threat and that #$%^& betrayed us like that. We remember Churchill with revulsion and the relation between Australia and the UK has never been the same since.
When we say "We will remember them", it cuts both ways.