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Old 07-26-2021, 04:06 PM   #1
std1940
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Default Diamond Back Bias Ply looking radials

Looking for feedback on Diamond Back radial tires with the Bias Ply look.
I want to mount them on stock 1940 wheels.
What do I need to know?
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Old 07-26-2021, 04:39 PM   #2
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Default Re: Diamond Back Bias Ply looking radials

You need to know if you can cover the check...P.S. They're worth every penny!
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Old 07-26-2021, 05:42 PM   #3
mike42
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Default Re: Diamond Back Bias Ply looking radials

I looked at them, but at the time they weren’t available so I went with the Cokers. It is a really big difference in ride and handling !

Mike
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Old 07-26-2021, 05:51 PM   #4
deuce_roadster
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Default Re: Diamond Back Bias Ply looking radials

I have them on both my 40s, stock wheels. No problems. Makes the cars drive really nice. The pictures in my 40 woodie album were when I had the bias ply tires on for Concourse judging. No longer need to be point judged so I switched to radials. Put blackwalls on the 40 business coupe from the beginning.
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Old 07-26-2021, 06:46 PM   #5
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Default Re: Diamond Back Bias Ply looking radials

I like 'em. Much better than bias but we knew that.

Pricey. But once bought, satisfying.

Went on my 35 wires, but I struggled.

They are packed (in a wrapper) to pull the beads together (and protect during shipping), but they had put the tire so it didn't wanna seat the bead (while inflating through the stem). I recommend unwrapping & let them relax. Or prop them open to relax them somehow (maybe some small wood sticks?).
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Last edited by VeryTangled; 07-26-2021 at 10:52 PM. Reason: clarifications
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Old 07-27-2021, 08:51 AM   #6
glennpm
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Default Re: Diamond Back Bias Ply looking radials

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Re: "They are packed (in a wrapper) to pull the beads together (and protect during shipping), but they had put the tire so it didn't wanna seat the bead (while inflating through the stem). I recommend unwrapping & let them relax. Or prop them open to relax them somehow (maybe some small wood sticks?)."


Put them out flat in the sun to make them flexible. Heat both sides, lube the bead and they'll be a lot easier to mount. I do this all the time for motorcycle tires and the same when I've mounted car tires.
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Old 07-27-2021, 08:58 AM   #7
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Default Re: Diamond Back Bias Ply looking radials

Put a tube in them and partially inflate it to help spread the walls out.
Mart.
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Old 07-27-2021, 09:59 AM   #8
joe 1950
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Default Re: Diamond Back Bias Ply looking radials

Also a couple of large open end wrenches
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Old 07-27-2021, 10:16 AM   #9
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Default Re: Diamond Back Bias Ply looking radials

I have them on my 46 Cadillac . I liked them so much I have a set coming as we speak for the 41 pickup to replace the brand new Cokers it came with when I bought it.
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Old 07-27-2021, 11:44 AM   #10
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Default Re: Diamond Back Bias Ply looking radials

The avatar picture here shows DiamondBack Auburns on a ‘40. Very happy with the tires. Have had no problems. Not happy with how much I had to spend to get them.

I bought the radial tubes because didn’t trust that the rim on my original wheels would provide a clean air-tight seal.
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Old 07-27-2021, 06:38 PM   #11
std1940
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Default Re: Diamond Back Bias Ply looking radials

Quote:
Originally Posted by JayChicago View Post
The avatar picture here shows DiamondBack Auburns on a Ď40. Very happy with the tires. Have had no problems. Not happy with how much I had to spend to get them.

I bought the radial tubes because didnít trust that the rim on my original wheels would provide a clean air-tight seal.
What tire size did you go with?
600-16 or 650-16
Also whitewall width and did you get the beauty bar?
Thanks Tom.
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Old 07-28-2021, 10:28 AM   #12
JayChicago
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Default Re: Diamond Back Bias Ply looking radials

Quote:
Originally Posted by std1940 View Post
What tire size did you go with?
600-16 or 650-16
Also whitewall width and did you get the beauty bar?
Thanks Tom.
These are standard size, 600-16.
3" whitewall
What's a beauty bar? Is that a raised band on the sidewall above the whitewall? Didn't order that. Don't recall that option available when I bought in 2017.

Here is a pic that you can enlarge:
Attached Images
File Type: jpg DiamondBack Bias-look Radial.JPG (90.6 KB, 165 views)

Last edited by JayChicago; 07-28-2021 at 10:40 AM.
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Old 07-28-2021, 11:50 AM   #13
tubman
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Default Re: Diamond Back Bias Ply looking radials

We called 'em "beauty rings" in Minnesota.
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Old 07-28-2021, 02:33 PM   #14
std1940
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Default Re: Diamond Back Bias Ply looking radials

Quote:
Originally Posted by JayChicago View Post
These are standard size, 600-16.
3" whitewall
What's a beauty bar? Is that a raised band on the sidewall above the whitewall? Didn't order that. Don't recall that option available when I bought in 2017.

Here is a pic that you can enlarge:
Thanks for the photo I can enlarge.
That is the raised band about 5/8 wide above the whitewall.
My current byas ply tires from Coker that are Ford script has them.
Coker no longer makes Ford script tires.
I am going with the Diamond Backs that are 650-16 which was an option with the 3" plus 5/8 beauty bar whitewalls plus radial tubes as you sugested.
Attcched is my current tire with Ford script and beauty bar. Ford script is faint but on bottom right.
Thanks Tom.
Attached Images
File Type: jpg 281DE941-32E7-4AFA-89E6-8F7B23C6D7E8.jpg (67.8 KB, 161 views)

Last edited by std1940; 07-28-2021 at 02:34 PM. Reason: additional information
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Old 07-29-2021, 12:07 AM   #15
lgndlt5
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Default Re: Diamond Back Bias Ply looking radials

Folks just mounted new diamond back Auburns as noted difficulty mounting narrow beads to inflate. The following word very well and almost no cost. purchase a 16”bicycle inner tube at Walmart $6 bucks. After tire mounted on rim. Tire lube stuf very liberally. Stuff The 16” bike tire in the top of the rim lip. Keep slippery inflate the bike tube jut till it fills the gap. Inflate the tire valve out the side. Inflate the tire which is now holding air as it is being filled. Thbike innertube will squeeze out of the wheel. Don’t be shy after bead comes up pull out the bike tube whil filling the tire fully. Works great. Use bike tube for your size rim. 16” etc Stuff into rim evenly keep it slippery you will figure it out good luck!!
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Old 07-29-2021, 03:13 PM   #16
lgndlt5
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Default Re: Diamond Back Bias Ply looking radials

Adding due to typos do not over inflate bike tube too much just enough to seal the gap valve core out of tire keep it very slippery with tire mounting lube it will pop out mostly as beads seat grab it and pull the bike tube out as you add air.
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Old 07-29-2021, 05:00 PM   #17
Steve Kennedy
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Default Re: Diamond Back Bias Ply looking radials

Just, and I mean Just, put Double White Walls with the beauty rings on my '36. Still have not washed the blue stuff off of the whitewalls on the spare, hope to do that this weekend.

Diamond Back makes tires to order, took 5 weeks to get them and the cost was around $2500, plus another $100 to have them spin balanced. I had to borrow the wide five to normal 5 reducer from a friend so they could spin balance them.

Will post pictures when I get it all put together.
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Old 07-29-2021, 06:15 PM   #18
Ray Balukas
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Default Re: Diamond Back Bias Ply looking radials

Love the DB's.
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Old 07-29-2021, 06:40 PM   #19
mercman from oz
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Default Re: Diamond Back Bias Ply looking radials




These Wide White Walls look great.
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Old 07-29-2021, 06:51 PM   #20
Bored&Stroked
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Default Re: Diamond Back Bias Ply looking radials

Quote:
Originally Posted by Steve Kennedy View Post
Just, and I mean Just, put Double White Walls with the beauty rings on my '36. Still have not washed the blue stuff off of the whitewalls on the spare, hope to do that this weekend.

Diamond Back makes tires to order, took 5 weeks to get them and the cost was around $2500, plus another $100 to have them spin balanced. I had to borrow the wide five to normal 5 reducer from a friend so they could spin balance them.

Will post pictures when I get it all put together.
Curious on the pricing . . . when I went to their website the prices seemed about $350 at the high end, how did your total get up to $2500?
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