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New OEM Hardtop Rule G 2


dans2k

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I find it slightly ridiculous that for us to run a cheap hardtop it takes X points and a whole argument about fixed roof cars changing their roofline!

No one who runs this top realy gives a shoo-shiddily-diddily about that they just got it because its $900 on ebay and OEM is $3000 new!

 

IF you don't care about TT... Run with your top in HPDE4 and stop trying to change the TT/PT rules. The bottom line is that using the top as a Zero points does not serve any purpose other than you don't want to spend money on a legal top. If the legal top was $900 used then you wouldn't have a problem. RACING IS EXPENSIVE. STOP USING COST AS AN ARGUMENT. Ofcourse if the stock top was $900 used and the knock off Mugen was $300 you would still complain about costs.

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Well the main argument for banning it has been "if we allowed a hardtop thats practically the same as OEM we'd have to let fixed roof cars cut their roof off and they would be fast and hard to draft in PT"

 

yea rite I am sure everyone will be rushing to their car with the sawzall and a can of bondo!

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Well the main argument for banning it has been "if we allowed a hardtop thats practically the same as OEM we'd have to let fixed roof cars cut their roof off and they would be fast and hard to draft in PT"

 

yea rite I am sure everyone will be rushing to their car with the sawzall and a can of bondo!

 

A much more reasonable summary of the argument would be: "If we allow a hardtop which is not exactly like the shape of the OEM top, it should take aero points."

 

And to your other point, people cut their roofs off to put in cages all the time. Making it shorter or a more sloped shape wouldn't be that big of a deal really.

 

edit - here is an examples of me and some friends cutting the roof off a Grassroots challenge car we did for fun. Do you think I would have less of a desire to do it for something I'm serious about? http://www.breesmotorsports.com/ANightWithASawzall.html

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Well the main argument for banning it has been "if we allowed a hardtop thats practically the same as OEM we'd have to let fixed roof cars cut their roof off and they would be fast and hard to draft in PT"

 

yea rite I am sure everyone will be rushing to their car with the sawzall and a can of bondo!

 

 

This proves you have not listened to anything anybody has said. This is 31 pages of self serving "woo with me a stock top is expensive" self interest. TT is not something you take seriously. You only want what is convenient for you.

 

The top in question is not "practically the same as stock" it has a completely different roofline. If allowed it would greatly benefit someone choosing to use a rear wing. Did you not look at the aero pictures I posted? I even posted a pic of a S2000 with the top ( or original Mugen) in question. Did you not see the air flow to the wing? Is that not proof enough? To boot you have not offered any researched data on coefficient of drag, available air to the rear wing, increase downforce etc. You have not taken the technical step to prove it is "practically the same". It is strictly an opinion based on cost.

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Well the main argument for banning it has been "if we allowed a hardtop thats practically the same as OEM we'd have to let fixed roof cars cut their roof off and they would be fast and hard to draft in PT"

 

yea rite I am sure everyone will be rushing to their car with the sawzall and a can of bondo!

 

 

This proves you have not listened to anything anybody has said. This is 31 pages of self serving "woo with me a stock top is expensive" self interest. TT is not something you take seriously. You only want what is convenient for you.

 

The top in question is not "practically the same as stock" it has a completely different roofline. If allowed it would greatly benefit someone choosing to use a rear wing. Did you not look at the aero pictures I posted? I even posted a pic of a S2000 with the top ( or original Mugen) in question. Did you not see the air flow to the wing? Is that not proof enough? To boot you have not offered any researched data on coefficient of drag, available air to the rear wing, increase downforce etc. You have not taken the technical step to prove it is "practically the same". It is strictly an opinion based on cost.

 

 

so what you are saying is if I can prove the aero is no better than OEM it would be allowed?

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You would have better chance. But you would also need to prove it offers no added benefit if a rear wing is used. If you were serious this would have been done 20+ pages ago. Plus Greg would still need to figure out how to apply it to coupes and sedans. I think that can is to big to open.

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yea rite I am sure everyone will be rushing to their car with the sawzall and a can of bondo!

Pg 18:

If you think we wouldn't take a sawzall to our roofs for a .1s you're not racing hard enough.
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yea rite I am sure everyone will be rushing to their car with the sawzall and a can of bondo!

Pg 18:

If you think we wouldn't take a sawzall to our roofs for a .1s you're not racing hard enough.

so why are the guys with FRC's not converting them to coupes?

 

 

2060832080100562057S600x600Q85.jpg

 

johnsC5_1_800.jpg

 

 

in fact whats in the rules to stop you changing a C5 convertible to a coupe?

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another thing I'd like to know is why I think you can take most any C5 (FRC) and take the special suspension package whatever off it and have it classed as a regular C5

I don't disagree with this makes perfect sense but why can't you take the aero kit and suspension off a S2000 CR and have it pickup the base classing of an AP2 S2000?!

 

Without the shocks/sways and aero kit its basically an AP2 with a AP1 steering rack softtop and some other 0 point parts factory removed..

 

I don't disagree with the CR base class but if you change that take that stuff off why take points for it?

you are taking extra points over an AP2 for a wing and suspension then if you change them out you take the points again!

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According to Greg there's some additional chassis bracing and some suspension differences between the two cars (AP2 and AP2 CR). And from what I can tell when I was researching another issue that's true.

 

There ISN'T anything that says you can't claim the regular AP2 base class when you have a CR or vice versa btw! Of course you should pick the one that works out best for you

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According to Greg there's some additional chassis bracing and some suspension differences between the two cars (AP2 and AP2 CR). And from what I can tell when I was researching another issue that's true.

 

There ISN'T anything that says you can't claim the regular AP2 base class when you have a CR or vice versa btw! Of course you should pick the one that works out best for you

 

As far as I know the bracing is one bar across the top of the steering rack mounting points and the rear strut tower brace has 2 extra attachment points (where the softtop would gets in the way on regular S2000)

So if those were removed along with struts/springs and aero (and you either took +2 for sways or changed to AP2 sways) you could put a CR into AP2 baseclass at 2850lbs?

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You don't have to turn a wrench at all dude But you would have to take any points for the CR-specific parts. Obviously if the car was a bone-stock CR you're saving quite a few points by running the CR base class instead of the normal one...

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You don't have to turn a wrench at all dude But you would have to take any points for the CR-specific parts. Obviously if the car was a bone-stock CR you're saving quite a few points by running the CR base class instead of the normal one...

 

oh ok thats great I guess I was a bit confused about the rules!

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I guess I thought the rules were picking on S2000's but I was just confused

 

The hardtop thing is realy annoying though that wind tunnel picture doesn't realy mean a crap theres plenty of pictures of the ASM and other tuner S2000's that use OEM tops with a wing

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Post them

 

Also that picture proves what I have been saying about airflow to the rear wing. It proves that the shape of the roofline affects the air available to the rear wing. I could not find a picture with a stock S2000 top

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I maybe wrong about the famous ASM car but I'm sure i've seen some of them with OEM

anyways here are some

 

 

amuse_r1_titan_01.jpg

KENTE376.jpg

March2011_GoTuningASM_small-600x375.jpg

Edited by Guest
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I maybe wrong about the famous ASM car but I'm sure i've seen some of them with OEM

anyways here are some, the last picture I have never seen b4 and is very interesting, i might have my wing in the wrong place

 

29382034013_large.jpg

 

Look at how the air does not follow the line of the top, yet the ASM car follows it exactly.

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I maybe wrong about the famous ASM car but I'm sure i've seen some of them with OEM

anyways here are some, the last picture I have never seen b4 and is very interesting, i might have my wing in the wrong place

 

29382034013_large.jpg

 

Look at how the air does not follow the line of the top, yet the ASM car follows it exactly.

 

forget that pic I think its a fake someone stuck their car over the ASM one it looks like a chop

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