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Hoosier's 275/35/15

  #1  
Old 07-16-2007, 09:26 PM
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Hoosier's 275/35/15

Thought I'd let you all know, a buddy of mine has fit a set of the 275s up on his '06 JCW. My wife and I co-drove with him and his wife this past weekend up at Packwood in a NWR event. First off he had a set of Bogart Wheels built that he mounted them on. More importantly these tires had an incredible amount of grip. The turn-in response was incredible and the car did not push anywhere. These tires were awesome. We ran in the morning in their open pax class and unfortunately did not have any other DSP car to compare times with. In the afternoon there were 2 BMW 325 CIs that ran, one with 2 drivers, and if I can compare times with them, we were about 1 to 1.5 seconds faster. The owner of the car ran a 66.9 to my 67.4, although I had one cone in one of the slaloms. The BMW's were between 67.5 to the low 68s. Even the girls were competive with my wife turning a 68.1 with me in the car with her. My first impression is that these are the tires to have to take the BMW's, were putting up 4 chances for a trophy at Nationals.

Dudley
 

Last edited by fritznw; 07-16-2007 at 10:03 PM.
  #2  
Old 07-16-2007, 09:40 PM
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What sort of crazy offset do those rims have?
 
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Old 07-17-2007, 12:20 AM
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I'm glad to hear that the bigger tires are helping catch those BMW's! How long before you go that route!? :-)
Tristan
 
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Old 07-17-2007, 06:17 AM
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Originally Posted by JustGo4It_ View Post
What sort of crazy offset do those rims have?
Yeah, what he said.

And what was the wheel width?

Finally, was the car lowered?
 
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Old 07-17-2007, 07:42 AM
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As far as the wheel offset, I'll have to ask the owner what the final dimensions were that he sent to Bogart. All I know is that he made a bunch of different measurements on his hubs and brakes and sent them to Bogart. Wheel width is 10"(15x10) and I'd say they are somewhere around 13 pounds.

I will be going this route for next season, I currently have the Wilwood big brake kit on the car and that is keeping me from a full DSP set up, I'm in STX trim with R-comps. The owner did do some front fender cutting to allow room for full turn in.

The car has been lowered, he's running Leda single adjustables with the ride height about 1" lower than stock, give or take. He just put heavier springs on, so our next step is corner balancing so ride height will change a little after that.

Dudley
 
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Old 07-25-2007, 11:41 AM
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Now that Fritz let the cat out of the bag, I guess I can share these photos. I had to do a lot of fender trimming to make sure these wouldn't rub. The Bogart wheels are 15x10 with a 6" backspace. I also had get exact measurements of the hub and caliper so the wheels could be made to fit.

Rich at Bogart wheels did a great job. I'd highly recommend their work.









 
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Old 07-25-2007, 11:45 AM
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That car looks like alot of pickup I see down here.
 
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Old 07-25-2007, 04:28 PM
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holy sh*t! thats schweet!!
 
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Old 07-25-2007, 04:53 PM
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Looks amazing....great job
 
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Old 07-25-2007, 05:00 PM
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Originally Posted by fritznw View Post
As far as the wheel offset, I'll have to ask the owner what the final dimensions were that he sent to Bogart. All I know is that he made a bunch of different measurements on his hubs and brakes and sent them to Bogart. Wheel width is 10"(15x10) and I'd say they are somewhere around 13 pounds.

I will be going this route for next season, I currently have the Wilwood big brake kit on the car and that is keeping me from a full DSP set up, I'm in STX trim with R-comps. The owner did do some front fender cutting to allow room for full turn in.

The car has been lowered, he's running Leda single adjustables with the ride height about 1" lower than stock, give or take. He just put heavier springs on, so our next step is corner balancing so ride height will change a little after that.

Dudley
Any scrub radius issues?
 
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Old 07-25-2007, 05:24 PM
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now its time for that widebody
 
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Old 07-25-2007, 05:33 PM
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That looks really nutty.



--Dan
Mach V
FastMINI.net
 
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Old 07-25-2007, 07:19 PM
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how does that affect scrub radius? lots of extra grip, but did it improve turn-in or hurt it?
 
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Old 07-26-2007, 12:44 AM
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That is HOT if your an Auto-Xer!!! I like that little badge that is just under the Cooper S!
Thanks for the pics!
 
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Old 07-26-2007, 05:40 PM
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The change in scrub radius doesn't seem to be a problem. Turn-in is great. Most of the extra width is inboard of the hub so the centerline of the contact patch isn't much further out than before.

We'll see how my wheel bearings survive...
 
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Old 07-27-2007, 06:34 AM
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I wonder if that combo would work on an R56 S? That had JCW brakes on it, right?
 
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Old 07-27-2007, 07:36 AM
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Yes, I have the JCW brakes on it. Fits fine. Amazingly they clear over Fritz's Wilwoods! We swapped a wheel and there were no problems (other than the fender rubbing). You shouldn't have any trouble fitting these on an R56 if you're willing to modify the fenders.
 
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Old 08-14-2007, 01:49 PM
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First off, oh good lord that's a killer auto-x tire setup!!

Second, and if you don't mind me asking, about how much did those Bogart wheels cost? I might be seriously considering this for next season.
 
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Old 08-14-2007, 05:42 PM
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I'll jump onboard, too. Are you willing to share your measurements for the wheels? You said there was " a lot" of fender cutting, yet the arches don't appear to be too radical. How are the cuts made?

Thanks,

Gene
 
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Old 08-14-2007, 05:50 PM
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look a bit closer....much of the arch isnt even there anymore On the stock arches, the plastic flares outwards and then has a vertical downward lip. That has been cutoff completely.
 
  #21  
Old 08-15-2007, 10:02 AM
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Originally Posted by mzman View Post
The change in scrub radius doesn't seem to be a problem. Turn-in is great. Most of the extra width is inboard of the hub so the centerline of the contact patch isn't much further out than before.

We'll see how my wheel bearings survive...
Great job.

On closer inspection the wheel arch plastic is heavily reworked- very nicely done and you have painted plastic arches as well.

Did you have to cut any metal or was it only plastic?
Do you have pictures of your MINI with street tires on?
Do you need spacers front or rear if so how much?
Do you get much wheel spin?
We know the cornering is great, what about straight line braking and acceleration?
Any more or less torque steer?

I'd think that a wider fender kit would look good for the 15x10 rims but not so good if you went back to stock rims. If you had street rims of 18x8 then it might be OK with a 235mm wide tire.

Do you think a 15x9.5 rim would work just as well. From the pictures it seems that your rim is wider than the tire- risks damage to the rim lip.
 
  #22  
Old 08-16-2007, 08:57 AM
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Such a cool looking ride....first I've seen that actually looks like some of the tee-shirt renderings and such that are drawn up all buff and such!
 
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Old 08-16-2007, 08:17 PM
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Wow that's awesome! Congrats on the MEGA-wide tire, and it's awesome it's only 22.6" diameter!!!
 
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Old 09-11-2007, 10:00 AM
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Hi guys,

Thanks for the comments. I definitely had to do some serious cutting on the fenders. The metal under the plastic flares was cut about 3/8", up to the point where the inner and outer fender walls were welded together. I didn't cut above the weld since that would expose the inside and I'd have to re-weld it, so I cut just up to the weld. Cutting the plastic flares was easy, and in fact I've had to cut it several times. It took a while to find out how much to cut, and was complicated by finding the right set of spring rates for the car (each spring rate changed how much "bounce" I'd get, sometimes cutting into the tire).

Anyway, It's all good now and we're off to the SCCA Nationals next week. Hopefully with these tires we can beat at least some of the BMWs

One other note... I've also run 245/35-18 tires on a 18x7.5" rim with not problems. The gear ratio was a bit tall, though.
 
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Old 09-11-2007, 10:24 AM
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Good luck and take lots of pictures for us.
 

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