» Site Navigation | | » Recent Threads | | | | | | | 11-22-2012, 10:21 PM | #1 | Member Join Date: Oct 2011 Location: cedar rapids iowa Posts: 79 | Need rear wing I need some downforce. I want to go flat through The Kink, but I need some aero to do so. I plan to put a front splitter on this winter, but I can't seem to find a rear wing that will do the job--and fit on our stubby little rear deck. I spotted this one in the photo competition: http://www.318ti.org/gallery/data/1068/calendar/19.jpg The one in the photo looks like it might work. Anybody know where to get it? I saw several 318Tis with those little rear spoilers--do they actually work, or they just for appearance? | | | 11-23-2012, 03:20 AM | #2 | Senior Member Join Date: Jun 2003 Location: Greenville, SC Posts: 9,356 | I know people will argue with me but rear wings are more show than go on these cars. I recall PTG building a hatchback race car and they said that the spoiler needed to be very high to be of any use. As high as the roof line. PTG knows a thing or two about building racecars. __________________ ...steven BMW CCA #146825 1996 BMW 328ti • 2003 MINI Cooper S • 2016 M235i www.bmwcca.org | | | 11-23-2012, 04:42 AM | #3 | Member Join Date: Oct 2011 Location: cedar rapids iowa Posts: 79 | I don't want one for show. I need one that actually works. | | | 11-23-2012, 03:00 PM | #4 | Senior Member Join Date: Apr 2010 Location: Scranton/Wilkes-barre area PA Posts: 454 | There is the BMW ltw highrise spoiler. It's tall and was on bmw's race cars __________________ ***Derek*** ^^Lola^^ Pioneer radio/ Pioneer 6-Disk CD Changer/ JBL 601.1 Grand Touring Amplifier/ Bilstein Sport shocks/ Bilstein e36sedan springs/ Green LED Courtesy Lights Accident Counter: 3... | | | 11-23-2012, 03:05 PM | #5 | Senior Member Join Date: Jun 2003 Location: Greenville, SC Posts: 9,356 | Quote: Originally Posted by rochey6957 There is the BMW ltw highrise spoiler. It's tall and was on bmw's race cars | It needs to be pretty tall to be effective. There is a thread on bf.c that might be worth reading. Are Aero improvements really worth it? http://forums.bimmerforums.com/forum....php?t=1920824 Just need to remember that our cars are shaped differently. What applies to E36 sedan/coupe does not apply to a hatchback. I would shoot m black a PM http://www.318ti.org/forum/showthread.php?t=34208 I know there is at least one Compact BMW CCA Club Racer out there too. __________________ ...steven BMW CCA #146825 1996 BMW 328ti • 2003 MINI Cooper S • 2016 M235i www.bmwcca.org Last edited by 1996 328ti; 11-23-2012 at 03:08 PM. | | | 11-24-2012, 04:14 AM | #6 | Senior Member Join Date: Apr 2007 Location: Elizabeth City, NC Posts: 3,877 | The ltw wing is not aerodynamically efficient, it was created to compete within a strict rule set using parts found on a production car. If you want a 2D wing (flat wing) it needs to be up high (at the roof line) to be effective. Newer style are the 3D wings like the APR GTC 300 which can be mounted lower on some cars. pmilli's race car has a pretty beast wing. http://www.318ti.org/forum/showthread.php?t=34373 __________________ ~Dave~ 98 328ti Morea Grun slicktop 11 128i space gray slicktop 13 JGC WK2 Deep Cherry Search | RealOEM | | | 11-25-2012, 07:41 AM | #7 | Member Join Date: Nov 2012 Location: Honolulu, Hi Posts: 53 | We used the GTC300 on our Miata race car and had it 10" off the trunk which put it about 6" below the top of the hard top. We had to have it higher at first but developed a vortex generator for the top of the hardtop which helped keep the air stuck to the glass which not only lowered drag a bit but it allowed me to mount the wing lower without affecting the downforce, which also lowered the drag. Between the two we picked up a bit of time afterwards as well. | | | 12-19-2012, 05:19 PM | #8 | Senior Member Join Date: Aug 2005 Location: Florida Posts: 2,525 | Needs to be really high, and back off the rear deck lid. http://forums.bimmerforums.com/forum....php?t=1719087 I'm not really sure what track/kink you are talking about, but what tires are you running? Better tire compound will make the largest difference in grip on a street car. | | | 12-20-2012, 07:44 AM | #9 | Senior Member Join Date: Mar 2005 Location: Portland Or Posts: 2,666 | Or use a simple lip tail like a NASCAR spoiler, a 4" lip creates a lot of down-force on a hatch... Cheers Dave __________________ Dave - PDX 1995 318ti - Active Black and Tan. 2005 330xi - Mtech 1 - 6spd - Orient Blue/Black | | | 12-20-2012, 08:13 AM | #10 | Member Join Date: Oct 2011 Location: cedar rapids iowa Posts: 79 | >I'm not really sure what track/kink you are talking about The Kink is at Road America. It's considered pretty dangerous, so more than one club limits speed through the Kink to 80 mph, enforced with a radar gun. Check YouTube for dozens of Kink videos. Or check this: http://www.youtube.com/watch?v=VZh0sq9M5aw The Kink is at 1:13, 1:48 and 4:51 (where I have no traffic ahead but I lift anyway) Without the radar gun, you can go through there flat at 110-120 if you have the stones for it, plus tires and aero. I always lift. Can't help myself. I got a front splitter to put on this winter. Big wings that would work are bloody expensive. I like the idea of a cheap spoiler, as PDX suggests. | | | 12-20-2012, 10:25 PM | #11 | Member Join Date: Apr 2012 Location: milwaukee wi. Posts: 34 | I go though the kink at 105 no problem in a 318ti John | | | 01-07-2013, 01:54 AM | #12 | Senior Member Join Date: Jul 2006 Location: Scandia, MN Posts: 215 | Quote: Originally Posted by Morgan I go though the kink at 105 no problem in a 318ti John | Yep, gone through there 110mph on street tires. I am going a different direction with my aero and will be selling my MAShaw evo wing. Extremely functional and the base is modified slightly to fit on a ti. Search aero in the track section for pics. __________________ S50, Sunbelt cams, Dr.Vanos, blah, blah, blah... | | | 01-07-2013, 04:49 AM | #13 | Member Join Date: Oct 2011 Location: cedar rapids iowa Posts: 79 | Can you be more specific? Is it the M-3 EVO PTG Style Adjustable Pitch Rear Spoiler? I don't know what photo to look for. How much? | | | 01-07-2013, 05:43 AM | #14 | Senior Member Join Date: Jul 2006 Location: Scandia, MN Posts: 215 | Yep, that's the one. Here's some pics and whatnot: http://www.318ti.org/forum/showthrea...highlight=aero I honestly haven't done much research as far as listing the wing so I'll get back to you in a day or two __________________ S50, Sunbelt cams, Dr.Vanos, blah, blah, blah... | | | 01-07-2013, 09:35 AM | #15 | Senior Member Join Date: Mar 2005 Location: Portland Or Posts: 2,666 | search for 357ti, he had a ti with a 5.7 chevy in it, a bud did a nice ductail spoiler on the rear, more race than decorative but I think it would be pretty effective based on other RWD hatchbacks I've done similar on.... Dave __________________ Dave - PDX 1995 318ti - Active Black and Tan. 2005 330xi - Mtech 1 - 6spd - Orient Blue/Black | | | | | Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | | Posting Rules | You may not post new threads You may not post replies You may not post attachments You may not edit your posts HTML code is Off | | | |