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PostPosted: Sat Sep 15, 2018 2:26 pm 
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I understand that the intent of the fender rule is to limit the cost of builds, but in practice the rule doesn’t seem to make any sense so wondering what others think? Perfectly legal to bring out a well prepared E46 M that can be easily a $50k+ build running 275’s comfortable under the stock panels. Or a Vette which has the same ability. Yet it’s illegal for a $15k e36 to add a $1500 body kit to properly fit 275’s. What’s allowed is flares that leave 275’s on an e36 exposed and obviously cause an aero deficit to an e46 M. So, why bother with a fender rule when all it does is limit the ability to further prepare older more narrow chassis cars? Once again it’s great in theory, but the rule just doesn’t make any sense in the real world. Obviously an e36 can fit 245’s and avoid the negative aero impact of having 275’s stick out, so that’s not my point. Certain short tracks, like a LRP, benefit from a wider tire. So it’s nice to have flexibility based on track. The tire mod already takes into account someone wanting to run wider tires. That should be sufficient without fender rules.


Last edited by daytonars4 on Sun Sep 16, 2018 6:53 pm, edited 1 time in total.

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PostPosted: Sun Sep 16, 2018 6:14 pm 
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Add into that the extreme fender modifications the guy that just won at cota has and it’s seems silly that “limiting costs” excise is used when none of the big ticket items are regulated.

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NASA MA GTS2/ST4 #17


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PostPosted: Wed Sep 19, 2018 11:58 am 
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focusedintntions wrote:
Add into that the extreme fender modifications the guy that just won at cota has and it’s seems silly that “limiting costs” excise is used when none of the big ticket items are regulated.


Those are stock fenders with no metal added, just my metal working skills.

To the original poster, there are lots of legal fender flares in ST4 for E36 cars, are you referring to the kits that have venting that are not legal?

-tony
TC Design


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PostPosted: Thu Sep 20, 2018 8:08 am 
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tcdesign wrote:
focusedintntions wrote:
Add into that the extreme fender modifications the guy that just won at cota has and it’s seems silly that “limiting costs” excise is used when none of the big ticket items are regulated.


Those are stock fenders with no metal added, just my metal working skills.

To the original poster, there are lots of legal fender flares in ST4 for E36 cars, are you referring to the kits that have venting that are not legal?

-tony
TC Design



We are all familiar with your impressive fender work :D

It's not just venting that makes wider fenders illegal. There is a very limited view of whats legal. It is only allowed to cover the top of the tire as opposed to an e46 having the ability to fully cover a 275, or have a 245 but with a wider track allowing greater stability. While at the same time with the e46 not creating any compromise to aero. I understand the premise of the rule, but it just seems to put the more narrow chassis cars at a disadvantage. If a client walks into your shop today and says "Build me the baddest BMW ST4 car you can." Are you going to suggest an e46 M chassis or a e36 with the limited option bolt on fenders? My guess is even if the fender rule was not there your answer to the previous question would still be the same?


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PostPosted: Thu Sep 20, 2018 8:21 am 
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tcdesign wrote:
focusedintntions wrote:
Add into that the extreme fender modifications the guy that just won at cota has and it’s seems silly that “limiting costs” excise is used when none of the big ticket items are regulated.


Those are stock fenders with no metal added, just my metal working skills.

To the original poster, there are lots of legal fender flares in ST4 for E36 cars, are you referring to the kits that have venting that are not legal?

-tony
TC Design



Tony,
I'm well aware of you're amazing metal working skills. But if that kind of work becomes the norm to build a front running car it defeats the point of some of the "cost cutting" measures (looking at you canards) that were implemented. Please correct me if i'm wrong, but I'm fairly certain that the level of craftsmanship you've shown is significantly more than a set of $400 rivet on flairs. That's really my only concern.

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