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Author Topic: Car Tire Question  (Read 2074 times)
wildthang1949
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Posts: 61


Henderson, Tn


« on: July 02, 2009, 03:36:26 PM »

Well, I done it.....purchased a 97 Valk and have been taking short trips to get a little use to her. This bike has a new car tire on the rear, and it seems to me to handle a little 'funny'. When entering a curve it feels like the bike is hard to lean, kinda like it wants to stay straight. Also , when running a smooth hiway it fees kinda like it wants  to pull to the right. If I let loose of the handlebars she will head to the right. Is this something that happens when you go darkside, or yall think I got other trouble ? A new guy here, and all comments welcome........
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Sharkey
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GOT CURVES??

VRCCDS0184


« Reply #1 on: July 02, 2009, 03:42:25 PM »

Usually the pull to the right is just the crown of the road, so the rain runs off. You will get used to the car tire if you keep a open mind. It is different. If it bothers you in a few weeks trade it out for a bike tire
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Willow
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Excessive comfort breeds weakness. PttP

Olathe, KS


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« Reply #2 on: July 02, 2009, 04:11:37 PM »

When someone asks you to keep an open mind you should hear bells (and fireworks) going off somewhere.

I think it will depend a great deal on which car tire you have and how it's inflated.  (Ever wonder why we don't call them universal tires?)

My opinion:  Put a motorcycle tire on it, get used to the Valk, and then if you want to try a car tire go for it. 

Incidentally, the opinion is worth about what you paid for it.
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R J
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DS-0009 ...... # 173

Des Moines, IA


« Reply #3 on: July 02, 2009, 04:49:03 PM »

I 2nd what the old Gunny says........

Now for some questions and answers.

What brand tire
What size
What is the air pressure

These answers might help in seeing if you can stay with it.

Tire pressure in a Car Tire is kind of touchy.

My Good Year Triple Tread I run 36#.

In my old bike tire, I run 45 to 50......
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wildthang1949
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Posts: 61


Henderson, Tn


« Reply #4 on: July 02, 2009, 05:43:45 PM »

Thanks for the responses.....the tire is a Toyo Proxes.....P20560R16. It currently has 30 lbs pressure
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fudgie
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Better to be judged by 12, then carried by 6.

Huntington Indiana


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« Reply #5 on: July 02, 2009, 06:18:04 PM »

Thanks for the responses.....the tire is a Toyo Proxes.....P20560R16. It currently has 30 lbs pressure

Bump it up, I'd say 38 psi.
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..
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Posts: 27796


Maggie Valley, NC


« Reply #6 on: July 02, 2009, 07:02:40 PM »

Well, I done it.....purchased a 97 Valk and have been taking short trips to get a little use to her. This bike has a new car tire on the rear, and it seems to me to handle a little 'funny'. When entering a curve it feels like the bike is hard to lean, kinda like it wants to stay straight. Also , when running a smooth hiway it fees kinda like it wants  to pull to the right. If I let loose of the handlebars she will head to the right. Is this something that happens when you go darkside, or yall think I got other trouble ? A new guy here, and all comments welcome........

With a car tire the bike will want to sit up straight no matter the car tire.

You as the rider will have to compensate by being prepared to give some input into the steering.

You'll get used to it or you wont.

As to pulling right - if you ride on the crown of the road with a car tire is it possible you are riding slightly to the right of the crown? If so the bike will pull right.

If it continues to feel "strange" put a bike tire on and go rip up some blacktop  Grin Don't look back.
« Last Edit: July 02, 2009, 07:07:50 PM by Britman » Logged
DeathWishBikerDude
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Posts: 464


« Reply #7 on: July 02, 2009, 07:16:16 PM »

You'll need to play with the air pressure.
Each tread design likes a certain pressure as do riders.
I run a Falken zx512,with the large groove down the middle of the tire.
I like a harder stiffer ride and use about 50 psi.
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MP
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1997 Std Valkyrie and 2001 red/blk I/S w/sidecar

North Dakota


« Reply #8 on: July 02, 2009, 07:51:34 PM »

Just dropped my tire pressure to 26#.  OMG.  I love it! Thanks to Valker I went that low.

I have been fighting ruts and such jerking me around at slow speeds.  I have no problems cornering or high speeds.  But, getting out on the gravel to the highway was exciting!

I thought I was at 32#, but when the tech put my new exhaust on, he must have figured that was too low, and bumped it to 38# again.  I fought ruts.  I even got a General Altimax on another wheel to put on.  It has a more rounded profile.  I was about to give up on the Michelin, just because of the 1 1/2 miles to the highway.

Now, I am loving it!  Just a little bump steer.  I am heading to the west coast Sat to take the week long riding course.  I will give you an update about how it is on the trip.
   

MP
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Whistler
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Kansas VRCC State Rep., Formerly known as EngEmt

North Newton, Kansas


« Reply #9 on: July 02, 2009, 08:27:58 PM »

 [/quote]
You'll need to play with the air pressure.
Each tread design likes a certain pressure as do riders.
I run a Falken zx512,with the large groove down the middle of the tire.
I like a harder stiffer ride and use about 50 psi.

I just put this tire on my bike and am at 38 psi. Haven't had it long enough to know whether I need to go up or down have you used lower pressure as well? This is my first darkside so not sure what to expect.
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clintsdivco
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Posts: 139


Independence, Mo


« Reply #10 on: July 02, 2009, 11:52:33 PM »

I just went to the dark side two weeks ago today (Goodyear Triple Tread 205/60R/16).  I started out at 40 psi and thought I had made a mistake the first day.  The second day I dropped to 35 psi and it became very acceptable.  I put about 600 miles on the first week and then headed out from Independence, Mo last Thursay pulling a trailer to Washington State still at 35 psi and have ridden 2600 more miles since leaving Independence, Mo.

After meeting up with MP in North Dakota last Monday I decided to drop my pressure this morning to 32 psi and then rode about 400 more miles and I can't say that I noticed a whole lot of difference but all of my riding was at highway speed and no graveled or rough roads at all today.  After reading his post above I think I will lower it some more and see what it feels like around 26 psi.

Clint
Independence, Mo
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R J
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DS-0009 ...... # 173

Des Moines, IA


« Reply #11 on: July 03, 2009, 01:57:18 AM »

I run my TT at 36#, and I'm very happy with it there,

I played with pressure when I 1st got it and this pressure felt the best to me on my Tourer.
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solo1
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Posts: 6127


New Haven, Indiana


« Reply #12 on: July 03, 2009, 03:12:28 AM »

I have a Goodyear Triple Tread but I can't give you any input because I'm running a Sidecar.  It works great with that at 36psi.

However, since a car tire lasts a lot longer between tire changes, there is a tendency for riders to ignore lubing the rear end splines.  This is a must about every 12,000 miles, IMHO.
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Mr.BubblesVRCCDS0008
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Posts: 3025

Huffman, Texas close to Houston


« Reply #13 on: July 03, 2009, 05:26:42 AM »

I've put about 70K on my I/S on CT.s  I'm presently running the same tire you are at 36psi and getting great riding out of it. Yes a CT is different but it is up to the rider if it is for him/her or not.
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Quiet Thunder
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Posts: 43


Kodak, Tennessee


« Reply #14 on: July 03, 2009, 06:44:43 AM »

Ride the car tire. I went dark-side a month ago and will never go back! You will get find that you will like the smoothness of the ride and the stability on wet roads, not to mention un-paved ones. I love it!
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DeathWishBikerDude
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Posts: 464


« Reply #15 on: July 03, 2009, 06:59:40 AM »


I just put this tire on my bike and am at 38 psi. Haven't had it long enough to know whether I need to go up or down have you used lower pressure as well? This is my first darkside so not sure what to expect.
[/quote]

My bike had a valve stem leak this spring.
I immediately noticed the soft ride when pressures got under 30 psi.
I didn't even need to check it with an air gauge.
I prefer a harder,stiffer ride,for my riding style.
My roads are mostly straight,with lots of orange barrels. uglystupid2
You'll need to experiment with pressures and see what handles best for you.
Each tire design probably handles differently at different pressures,and the weight of rider and cargo figures into the equasion somewhere.

Any pressure between 30-50 psi is totally safe to ride on.
The car tire is rated for a lot heavier vehicle.
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therapist
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Posts: 654



« Reply #16 on: July 03, 2009, 10:32:40 AM »

I have been running the Toyo Proxes for many miles and find that 36 solo, 38 with passenger/luggage works great.  Never noticed the pull to the right, I can let go of both bars and ride all day straight down the road.  I love my Toyo and will put another on when/if it wears out.
I did have it spin balanced before installing it.
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