Spec 3
Spec3 is a class of racing cars used in National Auto Sport Association (NASA) road racing events.[1] The series only allows cars prepared to resemble 1992-1995 BMW 325i/s models.[2] The class was originally intended to succeed the Spec E30 racing class. [3]
Eligible Cars[edit]
The series consists of U.S.-spec BMW e36 325i coupes and sedans. All cars in the series use the BMW M50b25tu engine[4].
As a "specified" class, the rules allow for a limited number of modifications, predominantly involving required suspension parts.
Required components include:
- M50B25TU engine
- Getrag 260 5-speed transmission
- 3.15 rear differential final drive ratio[5]
- Stock/unmodified ECU with Bimmerworld ECU Chip[6]
- Swift Race spring set[7]
- Koni Sport shocks
- Spec series tire (which is currently the Toyo RR or RA1 in 225/50/15 or 235/40/17 size[4]
- minimum weight with driver at the end of the race is 2825 pounds
- Spec front camber plates[8]
- Spec Hawk DTC-60 Brake Pad[9]
Allowed modifications include rebuilding of the original BMW motor, but it must follow factory specifications.
Rule Changes[edit]
2021 - Allows M3 front bumpers and 17x8.5" wheels.[10] "A Fresh Take for Spec 3". Grassroots Motorsports. Ormond Beach, Florida: Grassroots Motorsports. May 2021. p. 16.
2022 - Allows H&R Anti Roll Bars and single mass flywheel
Spec3 National Champions[edit]
- 2016 Eastern Champion - Jon McAvoy[11]
- 2015 Eastern Champion - Jon McAvoy[12]
- 2014 Eastern Champion - Barry Battle[13]
Spec3 Regional Champions[edit]
| Year | Region | Driver |
|---|---|---|
| 2022 | Mid Atlantic | Jon McAvoy[14] |
| 2021 | Mid Atlantic | Charles Ford[15] |
| 2020 | Mid Atlantic | Charles Ford |
| 2019 | Mid Atlantic | Jon McAvoy |
| 2018 | Mid Atlantic | Jon McAvoy |
| 2017 | Mid Atlantic | Jon McAvoy |
| 2016 | Mid Atlantic | Jon McAvoy |
| 2015 | Mid Atlantic | Rob Talastas |
| 2014 | Mid Atlantic | Jon McAvoy |
| 2013 | Mid Atlantic | Jon McAvoy |
| 2012 | Mid Atlantic | Michael D'Abreu |
| 2011 | Mid Atlantic | Anders Skandsen |
Track Records[edit]
| Track | Layout | Driver | Time | Date | Region | Wheel Size |
| Watkins Glen International | Full | Charles Ford | 2:13.625 | 4/23/2022 | NASA NE | 17 |
| Virginia International Raceway | Full | Jon McAvoy | 2:10.825 | 3/20/2021 | NASA MA | 17 |
| Summit Point Main | Main | Jon McAvoy | 1:24.388 | 4/17/2021 | NASA MA | 17 |
| Dominion Raceway | Jon McAvoy | 1:35.215 | 10/30/2016 | NASA MA | 15 | |
| Pitt Race | Jon McAvoy | 2:02.977 | 7/22/2018 | NASA GL | 15 | |
| NJMP Thunderbolt | No Chicane | Taylor Johnson | 1:35.946 | 8/28/2022 | NASA NE | 17 |
| Roebling Road Raceway | Andy Schmidt | 1:22.56 | 9/18/2022 | NASA SE | 17 | |
| NJMP Lightning | Taylor Johnson | 1:18.695 | 11/5/22 | NASA NE | 17 | |
| Carolina Motorsports Park | Colin O'Connel | 1:52.138 | 10/22/2011 | NASA SE | 15 | |
| Road Atlanta | Jon McAvoy | 1:43.157 | 8/30/2014 | NASA SE | 15 |
External links[edit]
- Official Site
- Spec 3 Rules
- NASA Great Lakes Track Records
- NASA South East Track Records
- NASA Mid Atlantic Track Records
- "Past Results". #DRIVENASA | CHAMPIONSHIPS Presented by Toyo Tires. Retrieved 2021-05-18.
References[edit]
- ↑ "NASA Spec3 Roadracing". NASA Spec3 Roadracing | We Drive Harder!. Retrieved 2021-04-19.
- ↑ Thiews, Jake (2 January 2019). "Woulda, Coulda, Shoulda: The Longest Spec3 Build". Out Motorsports. Out Motorsports.
- ↑ Infamousjim (2021-08-31). "Spec Miata vs Spec E30 – Which is the BEST spec racing class? 13 factors to see what is best". No Money Motorsports. Retrieved 2022-11-17.
- ↑ 4.0 4.1 Jake Thiewes of Out Motorsports - TST Podcast #804, retrieved 2023-03-08
- ↑ "SPECtacular | Articles". Grassroots Motorsports.
- ↑ "Spec3 Performance Chip by Epic Motorsports". www.bimmerworld.com. Retrieved 2021-05-18.
- ↑ "NASA Spec3 - RRT Automotive". RRT Automotive. Retrieved 17 November 2022.
- ↑ "Vorshlag Camber Plate and Perch Kit for NASA SPEC3". Vorshlag.
- ↑ "NASA Spec 3 Brake Pads. BMW". andrew-racing.com.
- ↑ A fresh take for Spec 3. (2021, May). Grassroots Motorsports, 16–16. https://grassrootsmotorsports.com/issues/331/
- ↑ "GROUP D-944SPEC, SPECE30, SPEC3, SPECE46 - CHAMPIONSHIP RACE (SUN)". RaceHero.
- ↑ "GROUP D - 944 SPEC/SPEC E30/SPEC 3 - CHAMPIONSHIP RACE". RaceHero.
- ↑ "NASA championships launch at Road Atlanta". us.motorsport.com. Retrieved 2022-11-17.
- ↑ "Spec3 - Season 2022". speedhive.mylaps.com. Retrieved 2022-11-17.
- ↑ "Spec3 - Season 2021". speedhive.mylaps.com. Retrieved 2022-11-17.
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