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Radial tyre size 55 Patrician


L.Fallon

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<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">Hi guys, what is the correct size redial tyre for a 55 Patrician ? It now runs on crossplys and I want to change them.Thanks Liam Fallon. </div></div>

225/75/15 should be a good fit.

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Guest imported_PackardV8

If by correct u mean in terms of originality i really do not know.

I am running 235 75 R 15 tires on my Executive. HOWEVER they are smaller in diameter than the original factory tires. The 225 mentioned above is just fine but i prefer the bigger tyre on large cars. The 235 is the limit tho.

I will probably try some 225 or 235-85's (if they make such) just to get the taller rolling radius closer to the original Packard size.

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Guest Randy Berger

I would buy 235/75 - R15s. The 29 inch diameter is closest to the 29.59

diameter of the 8:20-15 which was the large tire for the Sr. Packards.

I tried to find the diameter of 8:00-15s but could not locate that info immediately.

I've also heard more people satisfied with Diamondback tires and the

wide whitewall they supply. When I have to replace a pair it will be

the Diamondbacks.

YFAM, Randy Berger

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Guest Albert

It may also be an idea to check the tire width when inflated to make sure it will fit between the brake drum and the fender opening on the rear. I have had to deflate the tire to get it back off the car, with the frame supported and the axle hanging.

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Guest imported_PackardV8

Yes, i have to drop the rear axle too. A real pain in the ass out on the side of the hiway. But i'm not sure if the original tires would come out with out dropping the rear axle either. I never had to deflate the tire tho.

U might want to check your rear shock extended length.

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Guest Randy Berger

Aaah, another reason for manual control of the T/L system. I've never noticed this problem and have dismounted wheels to clean the wire wheels - much easier off the car.

YFAM, Randy Berger

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Guest Randy Berger

Not picking on anyone, but if some one were doing a search for

radial tires they would miss this thread. I try to spell correctly

but screw up several times. May I suggest we be a little more careful

when typing out the title of a thread. I know I search the Packard

section for info and would have missed this thread on my "radial"

search.

YFAM, Randy Berger

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Guest imported_PackardV8

No, i think that 'redial' part of the title is more of a British nomenclature for 'resizeing' or 'adjusted'. Quite often i am composing overseas emails and lurking this forum and other things all at the same time and get spellings and words confused from one effort to another too and will make similar 'misspellings'. It gets even worse trying to keep up with metric vs imperial.

But then again, it doesn't take much to confuse me.

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Guest Randy Berger

Well, Liam is Irish or English from his spelling of "tyre", so maybe you are right. Perhaps he is in England and just hasn't filled in his profile yet.

How about it Liam, are you here in the states or still in the mother country?

YFAM, Randy Berger

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Guest Albert

I have 820-15's 4"WW universials on my 54 Patrician and they just fit in in between and G78-15's snow tires on the 54 Panama and they fit in as well. But had problems getting the radials back off after i put the tires on a bare frame and then dropped the body on after.

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Guest Randy Berger

Rick, I'm glad they work for you.

I had a set from Universal Tire (Coker-owned)and I believe they were made out of old tennis shoes. If you drove slowly at night with the windows down, you could hear what sounded like someone running after the car. <img src="http://www.aaca.org/ubbthreads/images/graemlins/grin.gif" alt="" />

It wouldn't hold the road, skittered around curves and wandered all over the road. Sixty was about all I dared to go. I now have a set of radials (BFG) and although they have some faults, they do hold the road and handle well.

YFAM, Randy Berger

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Guest imported_Speedster

Randy,

Sounds like Bad wheel-bearings to me. <img src="http://www.aaca.org/ubbthreads/images/graemlins/smile.gif" alt="" /> <img src="http://www.aaca.org/ubbthreads/images/graemlins/wink.gif" alt="" /> LOL

That's strange, I have had it up to around 65 a few times with no handling probems at all. Of course I wasn't turning any sharp corners at that speed, but it handles sharp corners below 50 with no problems.

I know that radials are much better at high speeds.

Maybe I'm just not a LeadFoot like some People. <img src="http://www.aaca.org/ubbthreads/images/graemlins/grin.gif" alt="" />

(When driving my vintage cars) <img src="http://www.aaca.org/ubbthreads/images/graemlins/wink.gif" alt="" />

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Sorry about the spelling guys thats how we spell tires but the radial part was all my own!! and thanks to all for there input.A lot of the roads here in Ireland for the most part are narrow and bumpy. I have been driving on the cross plys for almost a year now,they are ok. on the good roads but you really have to watch driving on poor roads

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Guest Randy Berger

Liam, welcome to the Packard forum from one who admires the Irish appetite

for most everything that can cause you trouble! No apologies necessary and

glad to hear you're driving a Packard.

YFAM, Randy Berger

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BH

As you know this was kicked around here couple years ago I had to replace new bias ones because it followed even tar lines at 45MPH. I bought Firestone 235 75RX15 Whites. It drives & handles like a different car. Two weeks ago I rotated them. Frame jacked like you said (only safe way to do it) & they didnt need to have any air let out?? I run them with 32lbs pressure, & wearing even, no lower 1st rib wear or cups on outer part of tread. 4500 miles, slow & fast driving on the Interstate.

The sticker on the spare is SCHENUT Stallion 780. H-78-15 These are ones I replaced. Jack

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Guest imported_PackardV8

I'm running the CHEAPEST 235-75-r-15's i could find at PEP boys about 5 years ago. Since i bought the CHEAPEST they are probably a little skimpy compared to a premium grade tire and meybe thats why i do not have to let air out of them. Altho i will admit that when removing the rears it is a rather tite fit but not a major problem.

If i remeber rite, there is a 3/4 inch difference in the diameter of the 235 vs and original 8.00 x 15 i have that came wit hthe car. I'd have to double cheque that tho to verify.

Anyway, the speedo seems to read about 10-15% faster than actual speed as tested by 2 or 3 various methods i've used. At 100-103 MPH it reads 110-115 mph and I KNOW i wasn't going that fast. Even when the speedo is reading 70mph on rural expressway everyone is passing me and they are probably 75 - 80 mph.

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Guest imported_Speedster

Okay, I wasn't sure, but seems like I remember them talking about still using Bias-plys, on TV, about 2 years ago.

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The Winston sponsored local "series" races used bias plys, last I heard. I knew a driver who raced the Northern Series around here. I still maintain that GOOD bias ply tires can give excellent performance, and on some vehicles better handling than radials IM(very)HO. But that's just a can o' worms topic. Forget I said anything.

Back on topic, I recently found a set of radials for a '47 Dodge project car to replace 8.00 15 size bias plies. I found P215 75R to be a close match. A bit larger overall diameter based on a visual comparison. They were all-season Firestones and got them for 36 bucks apiece mounted with stems at Tires Plus. Such a deal. <img src="http://www.aaca.org/ubbthreads/images/graemlins/grin.gif" alt="" />

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Guest imported_Speedster

My point was that if Bias-ply tires can be made to work well on race cars,(and they do), then they should be able to make bias-plys that will work with our vintage cars (and still look original). <img src="http://www.aaca.org/ubbthreads/images/graemlins/wink.gif" alt="" />

And since I have had no problems with my Coker tires, then I think they have accomplished that. <img src="http://www.aaca.org/ubbthreads/images/graemlins/smile.gif" alt="" />

Liam,

Something I'm curious about, we haven't verified that what you call 'crossplys' is the same thing as our 'Bias-plys'. I just assumed that it was? Maybe crossplys, made in the UK, are made differently? Who made the tires on your car now?

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Rick, cross plys/bias plys are the same thing. My car is fitted with Coker tyres.The car was shipped in from the U.S about a year ago.The tyres have been on the car for some time I would think in good condition but some ageing.

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Rick, not many Packards here I know of a 30 touring (PAC member) a 48 a 38 super eight and a 115c around 1937/38 I think.These cars were very expenscive.There would have been a lot more fords (ford had a factory here in co. Cork)Chevys and such.There is no Packard club here yet!! also I have a 51 200 that was converted into a hearse(U.S cars were often used because they were LARGE) my 200 was in a very poor state.

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... and isn't it funny that the "expensive repro" bias plys are the same tires (or poorer) than the "cheap" bias plys of yesteryear. It wasn't too many years ago that you could get decent mass-produced bias ply tires at decent prices (well "only" 20 years ago--but 1985 wasn't so long ago, was it!?) Last time I tried looking for them was at Fleet Farm, which used to handle them, but no luck.

Shows what a lack of competition does to availability and prices!!

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Guest imported_PackardV8

I have a circa late 50's 8.85/9.00 - 15 ABEL brand tire mounted to an Executive wheel that came with my very complete and original parts car. It is 1/2 -5/8 inch LARGEr in diameter than the 235 75 R 15. I'm guessing a premium grade 8.00 or 9.00 -15 of the fifties is probably larger yet on the diameter.

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More rubber on the road! <img src="http://www.aaca.org/ubbthreads/images/graemlins/grin.gif" alt="" />

My dad always used to buy "Hood" bias ply tires for our Packards and the other big cars we had later in the '60s and '70s. These tires did NOT wear out in 20,000 miles like many claim bias plies did. They easily went 30 to 35,000 or more, as long as you kept them aired up. Bias plies are more prone to overheating, and low air is really tough on them, especially at high speeds. Like, whoever drove under 80 on the freeways then? People would be on your butt all the time. <img src="http://www.aaca.org/ubbthreads/images/graemlins/blush.gif" alt="" /> Yes, we did that on bias ply tires, the cars handled fine and blowouts seemed to be no more prevalent than they are now. Personally, I never had one.

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Packards were shipped with Firestone tires in the 50s. I'm pretty sure it was 53 they were so out of round the tread had to be shaved off. A notice from Packard advised dealer have customer drop off their new car to correct this. They didnt want the customer to see the tread being cut off. This also protected Firestone, as they had no round ones to replace them with. Firestone had a machine to do this. Some were so badly out of round, Firestone replaced it but still had to shave it also. After some 8 to 10 Thous miles the shaved area would be bald. Outside of that, there were very few problems with bias tires.

Thats what is so odd today the replacements cant match the originals. Jack

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Guest Randy Berger

There's an outfit today advertising in Hemmings that they can

"correct" your out-of-round tires. Probably the same machine.

Mr. Harlin - I wouldn't want to greet you at an airport. I'd

wave and say "Hi Jack" and those idiots would have me behind bar!

YFAM, Randy Berger

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