does this trunk make any usable downforce?
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Attachment 207487
yes...its time to be a man. Its either this or a top-fuel wing. |
From what i understand, on our cars, that area is not one that would be generally condusive to a functioning spoiler. I don't think it is so much of the design of that spoiler, but the design of the car. From looking at Savingtons and what Emilio has had to say, the area close to the trunk is not flowing right and needs to be more elevated to get cleaner flowing air. I could be wrong though.
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Originally Posted by rharris19
(Post 381297)
From what i understand, on our cars, that area is not one that would be generally condusive to a functioning spoiler. I don't think it is so much of the design of that spoiler, but the design of the car. From looking at Savingtons and what Emilio has had to say, the area close to the trunk is not flowing right and needs to be more elevated to get cleaner flowing air. I could be wrong though.
I don't remember where I saw wind tunnel pics of I think an NB, but I will dig. Ok, its an NC, I suck. Attachment 207484 Attachment 207485 Attachment 207486 |
Get the Top Fuel wing. It'll be way loads more functional for sure.
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You are wrong- at least with a hardtop on. I tested our motorola cup NB with no spoiler, OE spoiler and wing on pedestals/armature and there is a difference between each. The OE lip created enough downforce make a discernable difference over the at t12 at rd. atlanta - long high speed sweeper. The piece above will do more than the OE spoiler, but it's not gonna beat a wing sitting up high. The nice thing about going wing is you can use a second decklid and just swap it out for track days, if you're not into the lid/spoiler above. I had what was supposed to be a good wing on our cup car, but prominent racer/builder pointed out that the roundness on the trailing edge created massive drag- a killer on the straights (for our normally aspirated car). So it's best to get a good view of the contour/profile if wing shopping. And a sharp trailing edge isn't going to be something you find on a deck lid spoiler.
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I'm fighting the desire to make this car more track-worthy because I like driving it on the street so much. The idea was to fly home for the weekend, take it to the track or whatever, then park it and fly back to work. Not to fly home, change everything on the car, then work on it some more when I could be shooting heroine under a bridge with truckers.
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2 questions.....is that an axis racing trunk? anddd......what flares are those? im drooling over this miata
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Then I'd run that trunk spoiler, because it looks good and it's about as big as you'll get. But with a turbo Miata for track, I say take all the downforce you can stand to look at. That's what will dictate how hard you can press the throttle in the turns.
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Originally Posted by DazedandConfused
(Post 381307)
2 questions.....is that an axis racing trunk? anddd......what flares are those? im drooling over this miata
yes, and for the record my awesome carbon fiber, high-dollar shit will be painted green. lol |
Originally Posted by m2cupcar
(Post 381308)
Then I'd run that trunk spoiler, because it looks good and it's about as big as you'll get. But with a turbo Miata for track, I say take all the downforce you can stand to look at. That's what will dictate how hard you can press the throttle in the turns.
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Hustler, ever think about cutting the back bumper like Paul did on both of his miatas? I believe MikeRiv did it too. The idea is that it acts like a parachute and traps air.
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im actually color blind so i couldnt see what color any of the car is.haha
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Originally Posted by ArtieParty
(Post 381314)
Hustler, ever think about cutting the back bumper like Paul did on both of his miatas? I believe MikeRiv did it too. The idea is that it acts like a parachute and traps air.
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Originally Posted by hustler
(Post 381313)
I'm about to just buy another miata to rape at the track I'm over all this bullshit ------ry, and just want to go racing now. I need something rough as hell that I can destroy and not give a fuck.
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But seriously...... sit down with your trucker friend under the bridge and take a breather for a sec.
Buy the wing - like Matt's and Emellio's.....when you decide you don't want it anymore, trade me for the Butterfly brace.....and then everyone is happy. Trade and barter......that's how this country was founded. |
Originally Posted by Machismo
(Post 381324)
But seriously...... sit down with your trucker friend under the bridge and take a breather for a sec.
Buy the wing - like Matt's and Emellio's.....when you decide you don't want it anymore, trade me for the Butterfly brace.....and then everyone is happy. Trade and barter......that's how this country was founded. |
Originally Posted by hustler
(Post 381313)
I'm about to just buy another miata...
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Originally Posted by m2cupcar
(Post 381331)
Best idea yet - I had a showroom stock miata and street miata. When I broke the ss car I still had a ride. When I had the ss car torn apart on Sunday night, there was no panic to get drivable for Monday. IMO if you don't to do these mods because you like this car that much, then you're not going to want to hit the tirewall when the mustang in front dumps oil on the track. ;) Even though you're not going wheel-to-wheel, I have seen plenty of innocent by-standers crash because the guy in front has dumped something on the track. It happens.
I had a scary incident where a moron on a porsche overheated his 997 turbo until it popped a headgasket. If I were going 260whp speeds, not 94whp speeds it might have ended on a sour note, rather than a little dirt surfing. |
If I were getting serious about aero, I'd be getting myself a cheap ebay spoiler, fab up some adjustable brackets, do some tuft testing on the freeway, and then take an informed decision on what to do next.
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I'm a fan of two trunks and a wing personally.
Open trunk, 4 nuts, swap hood, 4 nuts, close trunk and done. <-- just feels to damn goofy driving with a wing on the street. |
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