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01-30-2013, 06:47 PM | #45 |
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Stretched tires are the new age ricer mod. Not only is it unsafe, your rims have no protection, and handling goes down the tubes. I honestly don't know how this became a fad.
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01-30-2013, 07:00 PM | #46 | |
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I'm glad someone shares my opinion. |
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01-30-2013, 07:17 PM | #47 | |
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I guess you are right, I am an idiot along with BMW and every tire company out there. |
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01-30-2013, 07:19 PM | #48 |
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01-30-2013, 08:43 PM | #49 | ||
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Current: 18' F80 M3 |Champagne Quartz Metallic/Amaro Brown |ZCP / Exec
6MT Past: 09' E82 135i Alpine White/Coral Red |CCW'D/Caged 6MT Antoine Spignardo |
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01-30-2013, 08:45 PM | #50 | ||
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"If you are further interested in this topic I suggest you pick up some basic literature on vehicle dynamics or google cornering stiffness. The sidewall flex that everyone else is talking about is parameterized by cornering stiffness in the tire world. What it describes is the rate at which the tire will produce lateral force. Physically this can be seen as the initial linear slope of slip angle vs. lateral force for a given tire. Many factors affect cornering stiffness and the "stretch" or angle of the sidewall is an important factor. In testing the cornering stiffness will continue to increase until the angle of the sidewall approaches that of the tread section. Construction of the tire itself will contribute to the cornering stiffness and things like tread compound actually play a much more important roll than the sidewall stiffness. It's easy to understand as sidewall flex but this is just one part of the interaction. For instance the relaxation time of each material included in the tire will have an effect. The stiffness of the summit in bending and in shear will have a large effect. Even the size of the bead mounted to the rim will have an effect. As everyone has stated before some "stretch" may be good. In fact ALMS teams use it as a balance and tuning parameter. Take a look at the Pratt & Miller C6R's they usually run a wheel larger than the measuring wheel up front. At the control end for the driver it's down to the required response of the vehicle. A vehicle with higher cornering stiffness will respond faster to input but will also drop off quicker at the limit (unless this is countered by material choices). Actually changes in mechanical grip are negligible unless extreme differences in cornering stiffness are had. In the case of every street tire it will most likely be perceived that handling has been improved with higher cornering stiffness (especially by gear-heads). Until you run the risk of unseating the tire or scrubing your wheels handling will improve with stretch (as others have stated before comfort will not). As with anything you can have too much of a good thing..."
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01-30-2013, 08:51 PM | #51 | |
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Thats whats good about this site though, you try it so that I know not to....
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01-30-2013, 09:07 PM | #52 | |
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01-30-2013, 09:10 PM | #53 | |
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Sidewall flex is very important as I said before, but this author failed to mention the importance of the inner sidewall flex and while he just implied it. The inner sidewall must flex in the towards the outside of the wheel and a tire stretched heavily doesn't allow for this. When race cars "stretch" their tires, we're talking about a 5mm undersized tire, not a 30 mm undersized one like tuner's define stretched. |
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01-30-2013, 09:29 PM | #54 |
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Lets keep OP's thread back on track. This is not the place for this argument. Like stretch or not, OP is sharing photos and contributing to the forums.
Please make a separate discussion where everyone can battle it out. |
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01-30-2013, 09:29 PM | #55 | ||
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As for your comment on my ability to understand or write the above quote is irrelevant - what's relevant is that you still need to take that dildo out of your ass, its distracting your attention from the fact that there is no safety issue here and no one gives 1 fuck what you think. Start a blog if you feel like preaching.
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01-30-2013, 09:31 PM | #56 | |
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BSM 2008 135i
-VRSF 7" IC -VRSF DP's -n55 mids -BERK race -ER CP -TIAL BOV -BMS DCI -JB4 G5 ISO -ST coils -STOPTECH slotted rotors & pads -SLeK lip Follow me on instagram: wescuddles |
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01-30-2013, 10:43 PM | #57 |
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Your car looks good man!! It was one of the ones that gave me hope when I got my 135 that I wasnt the only one that was into the "horrible fitment,stance,tire stretching, form>function" fads. It dosent matter what these "purists" say I see nothing wrong with a car with a little character the risks are minimal. With that being said he's not alone here is a little more tire stretch...mild stretch compared to what I have on my 19" setup.
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01-31-2013, 12:12 AM | #58 |
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Your rig is minty fresh! Great job and I got ur back us minorities gotta stick together
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01-31-2013, 12:48 AM | #59 |
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+1 , there is a Wheel/Tire Section here.... Even the Discussion is interessting.
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01-31-2013, 02:24 AM | #60 |
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Frankly to each their own. They are two different styles, and OP isn't a guy who just drives his car slow everywhere like a grandma, he has a track set up as well, so I think he agrees that yes in the most extreme a stretched tire could potentially be less safe than a normal sidewall, but like he said its a risk he's willing to take.
Besides if someone wants to put on large wheels with a lip and stretch and wants to drive slow everywhere let them it's their car! You can just pass them on the twisties Again OP, I still like your car a LOT! Both in form mode and function mode.
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01-31-2013, 06:31 AM | #61 | |
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Trust me I am no purist. My track car is a fully caged, widened E30 M3 with an LS7 power plant. |
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01-31-2013, 07:42 AM | #62 | |
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Current: 18' F80 M3 |Champagne Quartz Metallic/Amaro Brown |ZCP / Exec
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02-01-2013, 01:07 AM | #66 |
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Antoine man it's looking great as ever!
I have to say; after seeing you complain about putting in that rollbar I don't think I could ever bring myself around to buying one. But I love the white rollbar on red interior, looks amazing. Your car and John's car are currently my inspiration, keep up the good shit man. |
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