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stall
05-11-2006, 07:13 PM
I have a nice 55 Coupe and it now needs tires. I think I'll go with radials for a safer ride. Has anyone done this? What metric size is comparible to the bias-ply original white walls? Any help would be appreciated.

thanks

GTtim
05-11-2006, 07:14 PM
The short answer is P205/75-15. They are the closest in size to the original 6.50-15.


Tim K.
'64 R2 GT Hawk

Alan
05-11-2006, 07:29 PM
And Discount tire centers has them in Goodyear Star for $39 apiece. Also the 195's are $34 apiece @dtctires.com

curt
05-11-2006, 09:50 PM
MY 1955 President does great on 205/75/15, stears hard at very,very slow movenent, stears fine otherwise. Tires run fine. I did measure a rim,iffin I remember 6 inches from L to R.

55s
05-11-2006, 11:27 PM
195 75R15s are best, but now hard to find. This is the largest size if you want fender skirts. My 205 75R15s are tougher to turn.

Make sure that the tires are fresh - radials seem to have a life of only 6-10 years including storage.

THere are some other tire threads you may wish to read.

55s

sbca96
05-12-2006, 10:24 PM
Its 'funny' that you guys are saying that the wider tires are harder
to steer. I noticed the complete opposite. I started with 195/75,
and they were a bear to turn. I moved up to 215/75 and it got a bit
easier to steer. The last set of tires I had were 245/60, and they
were pretty easy to turn. This is on a manual steer 1960 Hawk.

The Avanti got the 245/60's, and then I recently went to 245/45's on
a 17 inch rim .. that made it easier to steer. I dont think I will
have any problems with the shorter arms to "quicken" the steering. The
Avanti, of course, is power steering though.

For your stock car, I would suggest a 195/205 and a 70 series tire. It
will make the ride a wee bit harsher then 75 series (noticably harsher
then the bias tires though!!!) but the improved steering response will
be nice. The ride you will get used too. A switch to a radial tuned
shock will help out.

Tom

1963 Studebaker Avanti (http://hometown.aol.com/sbca96/images/63avanti.jpg), 102,000, custom made brake brackets to mount 1998 Mustang GT 4 wheel disc brakes (soon to get 13" Cobra front brakes, 2003 Mustang Cobra 17" wheels, GM altenator, will be getting : 97 Camaro Z28 tan leather seats, 97 Camaro Z28 T-56 6-speed trans, Ported 'R3' style Avanti heads with stainless full flow valves, 'R3' 276 duration cam w/chrysler solid lifters, shortened push rods, aluminum cam gear, Edelbrock AFB Carb, GM HEI distributor, 8.8mm plug wires, waiting in the garage.

studeclunker
05-13-2006, 09:19 AM
I use a Kingstar 205/75R 15 on my Larks. It handles well and fits the car. Every once in a while when turning sharply out of a steep driveway it will scrape the wheelwell. Other than that they're great! Probably the same tire as the Goodyearstar. Doubtless both made in China. Sigh.[V]

Lotsa Larks!
K.I.S.S. Keep It Simple Studebaker!
Ron Smith

Scott
05-13-2006, 11:18 AM
When I got my '66 Cruiser it had 205s on it. I took them off and put on some slightly used 6 ply 195s. I can definitely say that with manual steering, the effort is noticeably easier with the 195s. I think they are actually getting easier to find again since some newer minivans have been using them as factory equipment. Don't get discouraged to ask for them at your tire store just because some people immediately tell you you'll have trouble getting them.

By the way, I've heard that even skinnier tires like those used on model Ts are actually better in snow than newer fatter tires because the weight is on a smaller area. I've been told that model Ts handled great in snow.

So it all depends on your driving and preferences, I guess. Fatter is not necessarily better and it is definitely not what the stock Studebaker wheels were built for, which has been pointed out many times.

bing kunzig
05-13-2006, 12:11 PM
My Silver Hawk has 195/75/15 radials. I'm told that's why the speedometer reads 8 mph faster than the true speed. Which means the odemeter is off too.

Roscomacaw
05-13-2006, 06:29 PM
245s EASIER to steer than 195s!!?? - and NO clearance problems? [:o)]

Miscreant at large.

1957 Transtar 1/2ton
1960 Larkvertible V8
1958 Provincial wagon
1953 Commander coupe
1957 President 2-dr
1955 President State
1951 Champion Biz cpe
1963 Daytona project FS

sbca96
05-13-2006, 07:22 PM
quote:Originally posted by Mr.Biggs

245s EASIER to steer than 195s!!?? - and NO clearance problems? [:o)]

245/60 R14 on a 7 inch rim. 1960 Hawk .. drove the tar out of that
car and never had it rub anywhere, but the rear fender. I did the
old wood trick and messaged the fender out a little in the rear.

http://hometown.aol.com/sbca96/images/60Hawk/60Hawkbefore.jpg

Perhaps going lower profile helped with the steering? Or maybe I got
used to allowing the car to MOVE a little before turning. Turning
effort is GREATLY decreased if forward motion is applied. I have seen
people in parking lots sitting still and wrenching on the wheel on a
power steering car, the tire shaking violently trying to turn. I drove
that car for over 5 years with that size tire, as a daily driver. I
dont look like 'Arnold' either.;)

Tom

N8N
05-13-2006, 09:02 PM
I believe Tom, I am running 15x7" on my '55 coupe, 3/4" offset MoPar cop car wheels, 245/60s in the back and 215/60s in the front (not by choice; those were the tires I had - if I get new tires I will probably do something like 225/70 all around) 1/4" spacer in front for tie rod clearance, nothing in the back. IMHO the 245s might be a bit much for the fronts but they WILL fit and no hint of rubbing. I swapped the tires front to rear while troubleshooting a brake issue and other than a little heavier steering I had no problems at all and it was still very driveable (this is with PS though)

nate

--
55 Commander Starlight
62 Daytona hardtop
http://home.comcast.net/~njnagel

Dick Steinkamp
05-13-2006, 09:17 PM
quote:Originally posted by bing kunzig

My Silver Hawk has 195/75/15 radials. I'm told that's why the speedometer reads 8 mph faster than the true speed. Which means the odemeter is off too.


Reads 8 MPH faster at 10 MPH or at 100 MPH ;).

Assuming it's at 60 MPH, that big of a difference (13%) can't be explained by the difference between the 195/75's and the stock tire size. Somewhere along the line, the car has probably received a rear end transplant with a different ratio than stock or a transmission transplant with a different speedometer driven gear than stock.

In any case, you can correct it by installing a speedometer driven gear with one or two more teeth than the one in there presently.



http://thenobot.org/images/s2d/s2d_01.jpg

55sedan
05-14-2006, 08:23 PM
When we put radials on our 55 Champion sedan I was lucky enough to find an old timer at the tire shop who was actually willing and interested enough to take the time to search out the closest match for radius to the old bias plys. He fit it with 205 70 15 stating this would be the closest radius and hence more acurate speedo. As far as ease of steering goes, that's why the steering wheels are so big compared to the new cars. Mechanical advantage, and lots fo elbow grease!

sbca96
05-14-2006, 09:50 PM
When I posted the info about my awesome 13" two piston caliper Cobra
brake setup, and the article in Avanti Magazine, I got an Email from a
guy who had JUST installed 20 x 8.5 rims on his Avanti. He sent me a
picture proving it. He clams there are no clearance issues. Makes
my 17 x 8's seem small;). He's "very interested" in the 13 inch brakes
since the Stude disc look so tiny in the rims. He could also upgrade
to the available 14 inch 6 piston calipers that will fit my brackets.

http://hometown.aol.com/sbca96/images/100_0749.jpg

Tom

gordr
05-14-2006, 09:56 PM
quote:Originally posted by sbca96

When I posted the info about my awesome 13" two piston caliper Cobra
brake setup, and the article in Avanti Magazine, I got an Email from a
guy who had JUST installed 20 x 8.5 rims on his Avanti. He sent me a
picture proving it. He clams there are no clearance issues. Makes
my 17 x 8's seem small;). He's "very interested" in the 13 inch brakes
since the Stude disc look so tiny in the rims. He could also upgrade
to the available 14 inch 6 piston calipers that will fit my brackets.

Tom



Gaaack! Can the wing and the neon lights be far behind?[}:)]

Gord Richmond, within Weasel range of the Alberta Badlands

N8N
05-14-2006, 10:13 PM
I think that pic may fall into the category of "too much of a good thing." He may come to regret his choice of rolling stock if he ever has to drive through Detroit, or, well, anywhere in Pennsylvania.

I like everything about the car except the wheels though. That is such a great color, and it looks like a good paint job too.

nate

--
55 Commander Starlight
62 Daytona hardtop
http://home.comcast.net/~njnagel

JDP
05-14-2006, 11:35 PM
I never got the rubber band tire look. Back in the day, the more tire you had, the cooler the look. There is way to much air in those wheel wells, begging for some real rubber.

Studebaker On The Net http://stude.com
Studebaker News Group
http://groups.google.com/group/alt.autos.studebaker
64 Daytona HT
64 R2 4 speed Challenger
63 R2 4 speed GT Black
63 R2 4 speed GT White
63 GT Hawk
63 Avanti
62 Daytona HT
53 Coupe

Dick Steinkamp
05-15-2006, 12:18 AM
quote:Originally posted by N8N

I think that pic may fall into the category of "too much of a good thing."


It is a beautiful car, but I'd have to agree about the wheel/tire choice. Just because you can do it...doesn't mean you have to :). It looks like it is either on its tip toes or it's pants are a little too short. Way too much "air" showing in the wheel well for me. The wheel well openings don't match up well with the wheels/tires not only on top, but all the way around.

IMHO, in order to use a wheel/tire combo like this, the car would have to be a lot lower AND the wheel wells reshaped. That's just me, however. The "look" is perfectly acceptable to a lot of folks.

I have come to accept the rubber band tire look on many cars. Here's my son's M3 at a track day at Thunder Hill in Northern California last week. The 19" rubber bands work for me on this car.

http://static.flickr.com/49/142004006_ff79986bbe.jpg

I'm also not crazy about the black panel on the roof over the door of the Avanti. Breaks up the lines too much for me.





http://thenobot.org/images/s2d/s2d_01.jpg

sbca96
05-15-2006, 01:10 AM
Interesting comments from most of the same crowd that didnt like my
comments about the chopped up 63 Hawk. Proving the hypocritical SDC
lives on just fine. Isnt it HIS car to do with as he wants? Its also
much easier to swap stock wheels back on, then to remove Chrysler fins
from the back of a GT Hawk.[xx(] Truely amazing.

Pick and chose whats 'OK' guys, and drive more youth away.[B)]

Big wing? Neon lights? Wrong "fad" .. try airbags, limo tint, lambo
doors, angel eyes, and 12 trunk subs. Wings and neon are reserved for
the Fart Car craze .. which includes tons of sticks, a large tailpipe,
blue headlights, carbon fiber hood, and may include a few of the items
mentioned earlier. I dont see an Indy wing in that Avantis future.

Tom

StudeDave57
05-15-2006, 02:38 AM
They aren't C/K, but on both my '65 and '57 Commander, I have 215/70's- 6" wheels on the '65 and 5" on the '57. They both are real nice that way, 'course the '65 also has power steering. When I tried the 6" wheels on the '57, they rubbed the letters right off the rears in about 500 miles. All I can say is- offset is important!!! Looked good at the tire shop, not so good later on- bummer!

Might ruffle some feathers, but here are a few thoughts~

1) Yes, it is his car to do with as he wishes.
2) The opinion of others is just that- THEIR OPINION!!!
3) I say- Don't sweat the small stuff dude, it's just not worth it! (see #2...)
4) I like your Hawk, and the Avanti!!! (sorta...)

I am one of those young guys in the club, BTW~
And have been since back in '86, when I was 16...

[8D]

StudeDave
V/P San Diego County SDC
San Diego, Ca

'54 Commander 4dr
'57 Parkview (it's a 2dr wagon...)
'57 Commander 2dr
'57 Champion 2dr
'58 Packard sedan
'65 Cruiser

CHAMP
05-15-2006, 11:51 AM
Sometimes our opinions are best kept to ourselves! Champ

JBOYLE
05-15-2006, 01:02 PM
I kind of like the Avanti paint job...the window-area paint complements the cars curves. I wouldn't do it on my car, but it looks okay. Somehow, I don't think Raymond Lowey would mind.

I'm less thrilled with the large wheels/small tires, high-back seats and the aftermarket steering wheel. All in all though, no harm done...every looks like it could be brought back to stock.

Having said that, the purist in me wishes more extreme modifications would be done on Avanti IIs...

63 Avanti R1 2788
1914 Stutz Bearcat
(George Barris replica)

Washington State

sbca96
05-15-2006, 05:00 PM
quote:Originally posted by CHAMP

Sometimes our opinions are best kept to ourselves! Champ


I dont mind opinions as long as its OK for everyone to have opinions.
So long as its not a b1tch fest match, whats wrong with some comments?
Why I got blasted for commenting on that 63 GT Hawk chop job is beyond
me. Then I post a picture to PROVE that with creativity you CAN put
whatever wheels/tires you want on your car, I get the same "tolerant"
people on the other post are free to post their opinions here. What is
OK for one should be OK for all.

For those of you still in the dark ages on tires and wheels, there has
been quite a lot of improvements in cars in the last 40 years. The
main areas this has effected are tires, brakes and transmissions. The
4.5 x 15 stock wheel on the Studes does NOT allow the use of either of
the first two. For those of you that feel since you "dont run your
car at Bonneville" you dont need good tires and brakes, think of that
the next time a ball bounces out in the street in front of you. A year
ago one of the car rags did a story on the ultimate size rim for an
all around car, one that can handle, accelerate and stop. I hate to
break this to you, but it WASNT a 4.5 x 15 steel wheel. They had
concluded that the "best" size was 17 or 18 inch. Now 20 might be a
little too extreme for some, but as mentioned its easily changed.

I will come back and edit this with a link to a new thread on this
topic, since I have already "hijacked" stalls thread enough. Here is
MY Avanti with 17 inch wheels:

http://hometown.aol.com/sbca96/images/AvantiRims/Avanti03Rims4.jpg

Tom

N8N
05-15-2006, 05:07 PM
Tom,

I think the difference is the "effect" that the different wheels have on the car, or the intent of same. I agree that wheel and tire technology have come a long way. I personally would really like to try a set of the 16" pseudo-Halibrands that come on the base model Mustangs. I think 17" might be a bit much, but if you have smooth roads where you live go for it. However the 20" wheels, and this is JUST MY OPINION, look a little like "bling" and not an actual performance improvement. If nothing else, you have to have really optimized suspension geometry to successfully run tires with that low a profile, and I suspect that a Stude's suspension was designed allowing for a lot of tire sidewall compliance which isn't necessarily there with tires that gum-bandy. So, "I wouldn't have necessarily done it that way" to steal a phrase. again, this is just my opinion and is worth exactly what you paid for it :)

nate

--
55 Commander Starlight
62 Daytona hardtop
http://home.comcast.net/~njnagel

Scott
05-15-2006, 06:50 PM
Tom,
I think the wheels on your Avanti are some of the best looking mags I've seen on an Avanti. I also like the paint job on the other one, but have reservations about those tires. The wheels are OK, but I like yours better. :)

gordr
05-15-2006, 10:06 PM
quote:Originally posted by Scott

Tom,
I think the wheels on your Avanti are some of the best looking mags I've seen on an Avanti. I also like the paint job on the other one, but have reservations about those tires. The wheels are OK, but I like yours better. :)


Scott, I will second that. Tom's car looks much better than the silver Avanti. Too much "bling-bling" in the wheel department makes a Stude look like Granny in go-go boots. The "bling-bling" wheels are so often seen on modern jelly-bean cars since they NEED something outrageous to catch the eye because, fundamentally, they are all alike.

Gord Richmond, within Weasel range of the Alberta Badlands

sbca96
05-16-2006, 04:26 AM
quote:Originally posted by N8N

Tom,

I think the difference is the "effect" that the different wheels have on the car, or the intent of same. I agree that wheel and tire technology have come a long way. I personally would really like to try a set of the 16" pseudo-Halibrands that come on the base model Mustangs. I think 17" might be a bit much, but if you have smooth roads where you live go for it.

Running the factory replacement shocks will give a much harsher ride.
Upgrading to a gas charged radial tuned shock will help quite a lot.
My 95 Impala SS has basically the same front suspension as the Stude,
and it has 17 inch rims. The ride in that car is quite smooth. The
Avantis ride with the new rims was virtually unchanged, except when
crossing rail road tracks. Overall it has a nice smooth ride. My two
daily drivers have 17 inch rims, one of which is a 93 Camaro Z28, I
remember a review on it stating that its negatives were a "harsh ride
and a loud exhaust" ... well DUH! The Avanti is a performance car,
and should ride like one, the reviews on it back in the day said it
had the look, but didnt back it up. One thing I have learned after I
have logged almost 200,000 miles in my Camaro, is that its quite a
comfortable riding car, and those wider tires tend to "miss" most of
the small potholes you come across. Larger sway bars, nice shocks &
these rims should get me where I would like to be. I sure would be
happy IF I could get the Avanti to outhandle my 4300 pound Impala SS!
Anyone know if there is a direct cross over for Bilstein Sports?


quote:Originally posted by Scott
Tom,
I think the wheels on your Avanti are some of the best looking mags I've seen on an Avanti.


quote:Originally posted by gordr
Scott, I will second that. Tom's car looks much better than the silver Avanti.

Thanks guys, I do appreciate the very kind words, I looked for over a
decade for rims that complimented the look of the Avanti. Strangely
they came to me instead. I hang out with a bunch of motorheads at
the local burger stand on friday nights and one of the guys bought a
new (at the time) 2004 Mustang Cobra. After some research and a few
years of looking, I didnt see how I would fit the 9 inch wide rim in
the front of the Avanti - then came AFS wheels in Canoga Park. They
make an 8 inch wide version, that takes the width off the backspacing.
Just re-explaining for those who missed the original post. To fit on
the front, I need about a 3/8 spacer. Then I was given the brakes off
my buddies 98 Mustang, got sued by the RIAA (for music sharing), and
due to lack of money, decided to make my own disc brake setup using
the factory hub. By placing the rotor in between the wheel and the hub
(like the new cars) I was able to pick up over a 1/4 inch! Then I came
on here to share, mentioned my thought process about why I didnt want
the other available brake setups, and got burned at the stake.

Tom

N8N
05-16-2006, 11:10 AM
I wouldn't say "burned at the stake" it just sounded initially like you were running down the disc brake conversions commercially available, and most people that use them (well at least the Turner one) find them to be quite adequate and a good product. If you want more, by all means go for it, but a lot of people just want something that will be an improvement over the factory setup and will allow them to still run stock or stock-appearing wheels.

FWIW I do like the wheels on your car too, although I am not sure that they'd be a good look on all Studes. I certainly like black Avantis even if they're sitting on four flat bias plies :)

nate

--
55 Commander Starlight
62 Daytona hardtop
http://home.comcast.net/~njnagel

sbca96
05-16-2006, 12:16 PM
quote:Originally posted by N8N
I certainly like black Avantis even if they're sitting on four flat bias plies

It was ... when I found it.;)

Tom