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Dragstrip and Launch Techniques Discussion 1/4 mile, 1/8 mile, launch discussions.

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Old 06-23-2013, 06:30 PM   #1
Motion427
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28x4.5x17 front skinny owners,come in please

Those of you that run the 28x4.5x17 M&H front skinny tire.
by any chance,did you check how much they weight each?

The reason I'm asking,I would prefer to run a radial vs a bias because I run a DR in the back.

I think I found a front Radial tire that is between 28"-29" that would work on a 17"x5" wheel, Speed rating H. The weight of the tire is 26lbs.And is affordable.
One of our tire warehouses has a few sets,I think I'm gonna asked them to send me 2 so that I can take a close look at them.

I only run the 17" Welds in the back for now because I was waiting for a Front radial. Kinda tired of running the stock 20" in the front.I was surfing the web for tire options and came across it.

It's the Bridgestone Dueler H/L 400. Size 215/70/17
#142469
It say's approved rim is 6.5-7.5. But I think it should be 5.5-7.5
The reason is, I also found a tire size that is 215/65/17 and the approved rim size is 6 to 7.5 (The Bridgestone Ecopia EP422)

I know that the 70 series is a little taller and narrower than the 65 series.

The 215/70/17 mesure 28.9 and the 215/65/17 mesure 28.5

I think either these tires will work,will also help weight transfer due to the height of the tire compare to the 26" skinny radial that is available.

What do you think ?
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Old 06-23-2013, 07:42 PM   #2
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When I had my Welds, I weighed one front tire (M&H 28x4.5-17 bias ply) and wheel (17x5 RT-S) together, it weighed 33.0 lbs. Sorry, never measured the tire alone. Although, I heard the tire was like 16 lbs., but never verified it. Let us know how that radial you found works out....interested!!!

Edit....just looked up the specs on the Weld Racing Website. According to them, their 17x5 RT-S (high pad) for our car weighs 16.2 pounds. If that's true....then the M&H Bias Ply weighs 16.8 lbs.
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Old 06-23-2013, 07:53 PM   #3
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.....so still no word on a 28" radial skinny from M/T or M&H huh?
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Old 06-23-2013, 08:03 PM   #4
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Yeah or maybe we need to ask Hoosier too...
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Old 06-23-2013, 08:14 PM   #5
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I'm still curious about these: http://www.cokertire.com/550r17-exce...rt-radial.html

I know they're stupid expensive....and they require a tube. But I don't know if the 1279 lb. load rating is enough for our "fat-ass" cars. Plus, I don't know what the weight or speed rating is on these either....but the size is absolutely PERFECT for a 4.5" or 5.0" wheel.
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Old 06-23-2013, 08:22 PM   #6
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Quote:
Originally Posted by blazzin1 View Post
I'm still curious about these: http://www.cokertire.com/550r17-exce...rt-radial.html

I know they're stupid expensive....and they require a tube. But I don't know if the 1279 lb. load rating is enough for our "fat-ass" cars. Plus, I don't know what the weight or speed rating is on these either....but the size is absolutely PERFECT for a 4.5" or 5.0" wheel.


That tire will drag more water onto the line and down the track than the stock Pirellis. And there is no way it's speed rated for our cars.
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Old 06-23-2013, 08:24 PM   #7
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Quote:
Originally Posted by Motion427 View Post
Those of you that run the 28x4.5x17 M&H front skinny tire.
by any chance,did you check how much they weight each?

The reason I'm asking,I would prefer to run a radial vs a bias because I run a DR in the back.

I think I found a front Radial tire that is between 28"-29" that would work on a 17"x5" wheel, Speed rating H. The weight of the tire is 26lbs.And is affordable.
One of our tire warehouses has a few sets,I think I'm gonna asked them to send me 2 so that I can take a close look at them.

I only run the 17" Welds in the back for now because I was waiting for a Front radial. Kinda tired of running the stock 20" in the front.I was surfing the web for tire options and came across it.

It's the Bridgestone Dueler H/L 400. Size 215/70/17
#142469
It say's approved rim is 6.5-7.5. But I think it should be 5.5-7.5
The reason is, I also found a tire size that is 215/65/17 and the approved rim size is 6 to 7.5 (The Bridgestone Ecopia EP422)

I know that the 70 series is a little taller and narrower than the 65 series.

The 215/70/17 mesure 28.9 and the 215/65/17 mesure 28.5

I think either these tires will work,will also help weight transfer due to the height of the tire compare to the 26" skinny radial that is available.

What do you think ?

Eventually you'll out grow the "H" speed rating. Then what? You won't pass tech.

What's wrong with running the M & H skinny? They are fine driving on the road. And a car with a bias front/ radial back will drag fine. It's when you have bias rear / radial front that the ass of the car skates around at 120+ mph.
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Old 06-23-2013, 08:25 PM   #8
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That tire will drag more water onto the line and down the track than the stock Pirellis. And there is no way it's speed rated for our cars.
You're probably correct, but I sent Coker an e-mail asking for the weight and speed rating. We'll see what they say....
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Old 06-23-2013, 08:28 PM   #9
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You're probably correct, but I sent Coker an e-mail asking for the weight and speed rating. We'll see what they say....


If I had a model "T" I would be looking at that tire. Not a 2010 Camaro.
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Old 06-23-2013, 08:29 PM   #10
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Eventually you'll out grow the "H" speed rating. Then what? You won't pass tech.

What's wrong with running the M & H skinny? They are fine driving on the road. And a car with a bias front/ radial back will drag fine. It's when you have bias rear / radial front that the ass of the car skates around at 120+ mph.
All valid points!!! And they're light weight too!!!
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Old 06-23-2013, 08:31 PM   #11
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You're probably correct, but I sent Coker an e-mail asking for the weight and speed rating. We'll see what they say....

If you blow up that picture it says 103S. I'm assuming that the "S" is the speed rating and that's 112 mph.
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Old 06-23-2013, 08:32 PM   #12
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All valid points!!! And they're light weight too!!!

I've had the same skinny's on the front for 3 years and they are still like new. They'll dry rot before they wear out.
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Old 06-23-2013, 08:38 PM   #13
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If you blow up that picture it says 103S. I'm assuming that the "S" is the speed rating and that's 112 mph.
Yep, it does, didn't see that. I was hitting 107 mph my first time on the track, so yeah, I don't see the 112 being adequate for very long. Oh well, if the M&H radials aren't out by the time I get another set of Welds, I'll just stick with the bias ply 28's.

Quote:
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I've had the same skinny's on the front for 3 years and they are still like new. They'll dry rot before they wear out.
How many miles would you guesstimate you have on them?
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Old 06-23-2013, 09:00 PM   #14
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Yep, it does, didn't see that. I was hitting 107 mph my first time on the track, so yeah, I don't see the 112 being adequate for very long. Oh well, if the M&H radials aren't out by the time I get another set of Welds, I'll just stick with the bias ply 28's.



How many miles would you guesstimate you have on them?
Not a lot. 5-600 prob. I swap them out if I'm driving anywhere far. I bet that they would last 5k though.
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Old 06-23-2013, 09:45 PM   #15
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The only thing I have to add to this from running skinnys up front and radials out back is I gained almost a full second by my tire/ rim change over stock in the quarter. The part that people need to be aware of is this combination is made to go in a straight line not corners .radials up front would maybe be better but I have scared myself a couple of times when a corner comes up and the car would make it easy but the skinnys up front want to go straight .
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Old 06-23-2013, 09:49 PM   #16
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The only thing I have to add to this from running skinnys up front and radials out back is I gained almost a full second by my tire/ rim change over stock in the quarter. The part that people need to be aware of is this combination is made to go in a straight line not corners .radials up front would maybe be better but I have scared myself a couple of times when a corner comes up and the car would make it easy but the skinnys up front want to go straight .
The handling def goes away with a skinny up front. That's for sure.
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Old 06-23-2013, 10:04 PM   #17
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I run the 26" M&H radial skinny up front. Handling is fine but braking takes some extra time. I would still prefer a 28" radial tire.
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Old 06-24-2013, 05:32 AM   #18
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I'm use to run skinnies up front with my Nova.
Ran 28"skinnies and 28"x12.5x15 ET Streets out back.
Drives different forsure,as if you have flat tires in the back with that soft rear sidewall.
But it was cool and we had traction on the street.

I would use the setup for track and maybe a local cruise,so maybe the M&H front will do just fine.
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Old 06-24-2013, 09:21 AM   #19
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In my 4th gen days I ran all kinds of tire combos, and in front I ran 165 VW tires, M/T ET Fronts and M/T radial skinnies.

The ET Fronts are bias play and smooth. Big drawback is that they are like driving with bald skinny tires. So if you are going fast and start turning, the car might 'push' some.
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Old 06-24-2013, 10:01 PM   #20
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My wife Daily Drives with DR's and skinny tires and i drive 90 miles to and from the track every weekend. Rough riding but bias tires will hold up and handle fine. Some people just go off what they read on the net. Just don't drive stupid..
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Old 06-24-2013, 10:54 PM   #21
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I have the M&H bias here, no issues as of yet. Granted they have about 300ft of street use
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Old 06-25-2013, 05:28 AM   #22
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Thanks for helping me spend my hard earn money on front wheels and skinny tires.much appreciated. Lol...
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Old 06-25-2013, 07:52 AM   #23
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Quote:
Originally Posted by Supercharged SS View Post
Eventually you'll out grow the "H" speed rating. Then what? You won't pass tech.

What's wrong with running the M & H skinny? They are fine driving on the road. And a car with a bias front/ radial back will drag fine. It's when you have bias rear / radial front that the ass of the car skates around at 120+ mph.
^^ this exactly! I have been running a bias front runner and DR on the rear and it drives straight as an arrow!
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Old 06-25-2013, 10:19 AM   #24
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Yeah again just remember something like an ET Front is completely smooth, get used to them if you have never had tires like that before.
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Old 06-25-2013, 04:45 PM   #25
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I ordered the rims today.Welds tell me that they should be some on the shelf in 3 weeks.I'll probably order the tires in the next few days.Going with the M&H
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