70 442 w30's-Goodyear or Firestone tires?

Old September 1st, 2016, 10:36 PM
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Originally Posted by 70-442-W30 View Post
Elephant_Engine_Ernie just posted this photo in another thread (Feb 1970 - Chicago Auto Show). You'll have to zoom in some, but you can see it plain as day. See below:

https://classicoldsmobile.com/forums...autoshow40.jpg
See what plain as day...... those cant be Uniroyal on that car.....Could be a Firestone or a Goodyear.....no confirmation of either one in that photo of the Chicago auto show car.
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Old September 1st, 2016, 10:38 PM
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I see Firestone on the tire in that pic.
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Old September 2nd, 2016, 04:33 AM
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Originally Posted by Bens71442 View Post
See what plain as day...... those cant be Uniroyal on that car.....Could be a Firestone or a Goodyear.....no confirmation of either one in that photo of the Chicago auto show car.
Does this help? Definitely Firestone. Count the letters.


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Old September 2nd, 2016, 02:21 PM
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Nobody's disputing (I hope) that some cars came the Firestones. The point is that some also came with Goodyears. And others Uniroyal.

It's normal for the factory to order a part from more than one supplier. This is true for almost every part on the car, not just tires. They'll order most of the parts from the supplier with the lowest price or best delivery or best quality, etc. But you always want to have options. If the best supplier stumbles, you want to have another that's already tooled up. You also need multiple suppliers so that you can make them bid competitively against each other.
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Old September 2nd, 2016, 03:30 PM
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Originally Posted by BlackGold View Post
Nobody's disputing (I hope) that some cars came the Firestones. The point is that some also came with Goodyears. And others Uniroyal.

It's normal for the factory to order a part from more than one supplier. This is true for almost every part on the car, not just tires. They'll order most of the parts from the supplier with the lowest price or best delivery or best quality, etc. But you always want to have options. If the best supplier stumbles, you want to have another that's already tooled up. You also need multiple suppliers so that you can make them bid competitively against each other.
Post #47 said that they only way the cars came with Firestone was to have a build date of April 1970 or later. This has been proven false. I'm not doing this to prove anyone wrong, I'm simply looking for correct data.

I get what you are saying with suppliers. Makes sense to me.
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Old September 2nd, 2016, 05:52 PM
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That's great that there's a possibility the current reproduction Firestone Wide Ovals debuted late in the build of the 1970 model year. Fact remains that "Uniroyal tiger paws" were widely used from 1970 - 1972 with the Goodyears being the two most predominant RWL tires for 1970. What's a bummer is that the reproduction companies limit reproductions to just the Goodyears and FWO. I..... just as you, wish the Tiger Paws would make a reappearance as a new reproduction tire. I happen to like them more than the FWO. There is a factory press photo of a 1971 442 W-25 convertible, car is Blue with Firestone Wide ovals. Car has the front plate of OLDS and red fender wells with earliest picture Ive seen of a Firestone wide Oval. Car has to be from late in the summer of 1970. Its a press photo of the 1971 442 convertible. www.gmphotostore.com (go to Oldsmobile)
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Old September 2nd, 2016, 06:18 PM
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Ok, I'm going to make this really simple. Show me the tires off all 3100 W-30s as they left the factory. We have no proof that a Firestone tire didn't leave the factory on even an October build. We have people saying their car had this or their car had that, but unless you see every single car, you can't rule anything out.

Yes, I agree about someone making Uniroyal repro tires. There is a demand for it. Wonder what the problem is.
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Old September 2nd, 2016, 09:03 PM
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and some left with white wall tires on Super stock II. whichever, it slowly coming to light that Firestone Wide Ovals came late in the build in 1970 but not early. Cool to hash this out and see what other people have found. Lets hope someone starts making the Tiger Paws. It'd be nice to see a new tire for a change. White wall.jpg
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Old September 3rd, 2016, 09:08 AM
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Originally Posted by Bens71442 View Post
and some left with white wall tires on Super stock II. whichever, it slowly coming to light that Firestone Wide Ovals came late in the build in 1970 but not early. Cool to hash this out and see what other people have found. Lets hope someone starts making the Tiger Paws. It'd be nice to see a new tire for a change. Attachment 140456
As I said, there is no way to know this for sure (the late vs early builds and Firestones), except to have a picture of every car as it left the factory. It is interesting that you take that position, but just because you believe it to be true doesn't make it true unless we have some proof.

I'm not being argumentative, just trying to get the facts here. I have no proof that the October cars came with Firestones and you have no proof that they didn't. So remain open minded. It could have happened.

Before you said that April was the start for the Firestones and we now have proof of at least February with the Chicago Auto Show W-30. Then there's that black and white ad that I posted, which has a November 69 date. So that's quite a few months from April.

Like I said, we'd have to see every car as it left the factory to know. And that isn't happening...but to put it out there that these were only on the late cars, well with the pictures that have been recently posted, it is trending in the other direction.
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Old September 3rd, 2016, 09:28 PM
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From what I've read, the preponderance of evidence offered here - coming from Classic Olds members personal recollections and experiences - points to Wide Ovals being offered later in the model year - whether it be Feb. or April 70. I had a set of Firestones ready to go on my 4th week Jan 70 W-30, but decided to get a set of Goodyears after studying what others had written here. It worked out OK because I used the Firestones on the 71 I just finished.
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Old September 4th, 2016, 04:13 AM
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Originally Posted by costpenn View Post
From what I've read, the preponderance of evidence offered here - coming from Classic Olds members personal recollections and experiences - points to Wide Ovals being offered later in the model year - whether it be Feb. or April 70. I had a set of Firestones ready to go on my 4th week Jan 70 W-30, but decided to get a set of Goodyears after studying what others had written here. It worked out OK because I used the Firestones on the 71 I just finished.
Right, but what if one guy steps forward with original dealer lot new car delivery pics of his car from let's say December 69 with Firestone Wide Ovals? What I'm getting at is we simply don't have enough data to be putting strict timeframes on when they first came on these cars.

In order to conclude that Firestones were or were not on these cars with somewhat reasonable certainty for any month prior to February (I'm assuming everyone is going to now take the Chicago Auto Show pic as truth) we would need the following valid sample sizes:

Monthly W-30 production / sample size needed at 90% confidence - error +/-5%

October 1969: 367 cars (we would need 156 original pics/original spares)
November 1969: 643 cars (we would need 190 original pics/original spares)
December 1969: 366 cars (we would need 156 original pics/original spares)
January 1970: 420 cars (we would need 165 original pics/original spares)
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Old September 4th, 2016, 07:45 AM
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My 10/69 W-30 had Good Years on it from the factory, and since the W-31's were also built in Lansing, it should also be considered on whether the Firestone tire was a supplier prior to January 1970. My 12/69 W-31 had Good Years, and my 4/1970 W31 had Firestones. Also, in determining factor here is the strike it self. As pre and post strike built cars do differ. I have yet to see a pre-strike car with Firestones.

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Old September 4th, 2016, 07:54 AM
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Originally Posted by joesw31 View Post
My 10/69 W-30 had Good Years on it from the factory, and since the W-31's were also built in Lansing, it should also be considered on whether the Firestone tire was a supplier prior to January 1970. My 12/69 W-31 had Good Years, and my 4/1970 W31 had Firestones. Also, in determining factor here is the strike it self. As pre and post strike built cars do differ. I have yet to see a pre-strike car with Firestones.
A little off topic, but wondering the specifics on how the pre and post strike cars differ. What else is different?
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Old September 4th, 2016, 08:12 AM
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Originally Posted by 70-442-W30 View Post
A little off topic, but wondering the specifics on how the pre and post strike cars differ. What else is different?
Well, you have pre-strike cars, strike cars, and post strike cars. And this is not off topic as these events affected venders such as tires and fasteners, etc.
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Old September 4th, 2016, 08:36 AM
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Originally Posted by joesw31 View Post
Well, you have pre-strike cars, strike cars, and post strike cars. And this is not off topic as these events affected venders such as tires and fasteners, etc.
Just meant me asking was probably off topic, but I'd like to hear more about it. Did they do anything else different? Like major parts such as the OAI or engine components?
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Old September 6th, 2016, 03:10 PM
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Joe, the big GM/UAW strike was in late calendar year 1970, which was the 1971 model year. It had no effect on the 1970 models.
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Old September 6th, 2016, 03:51 PM
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There was also a strike in late 1969 to Feb. 1970. It delayed the build of my Grandfather's new 1970 Monte Carlo.
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Old September 6th, 2016, 03:53 PM
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http://region1c.uaw.org/local598/ind...f-b22f3940f745

"September 24, 1969 - At 4:45 p.m., 15 minutes after the second shift had begun, Local 598 Fisher Body workers took on GM in the longest strike by the UAW in GM history.

1970's

February 6, 1970 - After 136 days on strike, Fisher Body workers ratified a new agreement."

Last edited by orange442; September 6th, 2016 at 03:55 PM.
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Old September 7th, 2016, 06:29 AM
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I thought I did read about that on Newspapers.com, but I don't remember them mentioning it affected the Oldsmobile cars, I think they only mentioned Chevrolet. I'll have to go back and check.
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Old September 7th, 2016, 07:57 AM
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The build sheet from my Fremont built (Dec. 1969) 442 that I once owned had Firestone tires, code PX8.

"Tire Fiber WW G70 x 14 W/S Fry"

The car came with SS II wheels, code N66.
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Old September 7th, 2016, 02:35 PM
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Originally Posted by orange442 View Post
http://region1c.uaw.org/local598/ind...f-b22f3940f745

"September 24, 1969 - At 4:45 p.m., 15 minutes after the second shift had begun, Local 598 Fisher Body workers took on GM in the longest strike by the UAW in GM history.

1970's

February 6, 1970 - After 136 days on strike, Fisher Body workers ratified a new agreement."
I'm no UAW expert, but just to be clear, the long strike you're talking about was a small, local strike by Fisher Body workers in Flint, right? Doubtful it had any impact on Oldsmobile production in Lansing.

The strike I'm talking about started on September 10, 1970, lasted 67 days, and was at a national level, stopping work at most (all?) GM plants -- including Lansing.
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Old September 7th, 2016, 03:30 PM
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I know the 69 strike slowed down Monte Carlo production in Van Nuys California plant so I am sure it had some effect on other plants much closer in Michigan.
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Old September 8th, 2016, 06:54 AM
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I guess we're getting away some from the Firestone topic, but I wanted to post what I found on the strike for everyone here:


















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Old December 2nd, 2016, 12:59 PM
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Hi there......


Long time away from this topic.

Reading some of the back questions.

Car Show cars and literature were done as pre-production units. Do not use them as solid reference .

Goodyear did not go away in the 70 production year. Firestone may have shown up later, but Goodyear did not go away.

Yes, Uniroyal tires can be made, Coker has the agreements to have those made. It would be Coker's decision to make the molds and have the tires made. It would be their business decision to do it. Since they are putting out the Firestones, it may not be something they are looking to do. Also, Coker just came out with a radial version of the Wide Oval..... so that is money they are going to recoup before a new project is going to get a green light.

If you have any questions about Goodyears, PM me.

Rusty
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Old December 7th, 2016, 01:56 PM
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Just stumbled across this thread. I have a 47,000 mile '71 442 convertible (picture in my avatar) The original spare tire is in the trunk and has never been on the ground. It's G7-14 Uniroyal Tiger Paw. I find it interesting that it's white sidewall with argent painted SSII's. When I restore the car, I intend to break from the pack and put the whitewalls back on it. I think it's kind of a cool look.
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Old December 7th, 2016, 09:19 PM
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That will make for a distinctive look.

Goodyears on this W-30.
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Old December 8th, 2016, 08:19 AM
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Thank you 70-442-W30 for the news print. It is very interesting, especially the production information and about GM increasing the line speed due to the new '70 models being smaller and needing less input at plant number two.
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Old December 8th, 2016, 10:45 AM
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Originally Posted by stevengerard View Post

Now I have not compared the repo bias ply to radials on my car but every person I have spoken to says there is a difference and they do not drive as nice and you do risk flats and handling issues - is that true?
I have repro Firestones on my car. They ride nice & hook better than the radials they replaced. They do not handle as well & tend to squeal on turns pretty easy. They do not grab seams in the road the way i remember they used to.
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Old March 4th, 2017, 08:47 AM
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Originally Posted by 442much View Post
From 1981. Originals on my 442. Uniroyal Steel Belted Radial, they don't reproduce these either.


FYI, the Goodyear Custom Tread "Steel Belted Radial" is now being reproduced in GR70-15 size. The tread pattern is the same for Goodyear, Firestone, and Uniroyal. This was the first TPC spec tire which GM dictated the tread pattern to the tire manufacturers.
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Old March 14th, 2017, 01:08 PM
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Tires

HI

I have a spare that was taken out of a 1970 w30 day 1 , it has polyglas

The spare in my 1971 fremont car is goodrich performa
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Old March 14th, 2017, 01:42 PM
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AWESOME!! it appears the "Goodrich PERFORMA GT" was manufactured by GOODYEAR at their Los Angeles plant. "A6MF L9DS"

can you get the dates off the wheels, by the valve stems?

FYI, your last pic is upside down & reads "L9DS"
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Old March 14th, 2017, 01:59 PM
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Originally Posted by hurst68olds View Post
AWESOME!! it appears the "Goodrich PERFORMA GT" was manufactured by GOODYEAR at their Los Angeles plant. "A6MF L9DS"

can you get the dates off the wheels, by the valve stems?

FYI, your last pic is upside down & reads "L9DS"


MAYHAP L month of 1969????
i can try to get dates> BUT I am NOT going to scrape off the factory finish to do so..

Here are best pics I have off the valve stem region now. The wheels are in storage....

untill snow is gone again

Cheers
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Old December 19th, 2018, 12:11 PM
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Getting ready to buy 1970 w30 with the original spare is the uniroyal tiger paw does any body have 4
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Old December 19th, 2018, 12:19 PM
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"w30hurstolds"
can you post pics of the DOT code on the tire & the date on the wheel by the valve stem?
what's the date on the W30's cowl tag & door sticker?
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Old December 19th, 2018, 01:05 PM
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Originally Posted by w30hurstolds View Post
Getting ready to buy 1970 w30 with the original spare is the uniroyal tiger paw does any body have 4
I have only seen polyglas on the legit
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Old December 19th, 2018, 01:27 PM
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here is a picture of the spare
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Old December 19th, 2018, 01:56 PM
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My 1970 4-4-2 W-30 came with Uniroyal Tiger Paws. I took delivery April 25, 1970.
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Old December 21st, 2018, 05:52 PM
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Originally Posted by Madmustard View Post
Those of you who have original cars or had one new-Did they come with Goodyear or Firestone bias ply tires.?Have 3 of these cars now and restoring the 1 st one.need to know for sure before I buy a set .This is for 1970.Also were these 14" G70 series?
I purchased a new 1970 and my car came with G70-14, raised white letting, Goodyear Polyglas, including my spare in the trunk.
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Old January 30th, 2019, 12:43 PM
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Even thought it is not a 442, my Dad ordered a Cutlass W31 that came with Firestone Wide Ovals on it. He did not particularly like the tires and as they needed to be replaced, he picked up the GoodYear Polyglas as replacements. His car was delivered in April of 1970.
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