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1 week ago | 
grassrootsmotorsports.com | No Time |J.A. Ackley |Keith Tanner
By J.A. Ackley May 7, 2025 | Chevrolet, Corvette, Chevrolet Corvette Photography courtesy Chevrolet This might be the rare case where fewer buttons and one more screen might be a good thing. Hear me out on the refreshed interior for the 2026 Corvette. If you’re spiritedly driving a sports car around, you don’t want to be fumbling for climate controls. The 2025 edition had a comical number of buttons for that.
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2 weeks ago | 
grassrootsmotorsports.com | Keith Tanner |JG Pasterjak
Update by J.G. Pasterjak to the BMW 435i project car May 2, 2025 | BMW, Powerflex, BMW 435i Photography by J.G. Pasterjak “This is not surprising,” notes BimmerWorld’s James Clay while looking at the cracked and worn bushings.
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2 weeks ago | 
grassrootsmotorsports.com | David S. Wallens |Colin Wood |Andy Hollis |Keith Tanner
SOUTH BEND, Ind., April 30, 2025 –Hyundai Motor America announced today that it is partnering with Grassroots Motorsports magazine to compete in the 2025 Tire Rack One Lap of America presented by Grassroots Motorsports. Hyundai Motor America has also been named Official Automaker of the 41st running of this fabled annual motorsports gauntlet, which will see teams competing in a series of racetrack challenges around the U.S. from May 3-10, 2025.
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1 month ago | 
grassrootsmotorsports.com | Colin Wood |Keith Tanner
Normally, when “investment firm” and “race track” appear in the same sentence, it’s because another venue is getting leveled in favor of a housing development or a strip mall or wherever else the cool kids hang out these days. So consider us worried when news broke that CrossHarbor Capital Partners, an investment firm, had acquired the iconic Willow Springs International Raceway.
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1 month ago | 
grassrootsmotorsports.com | Paris Van Gorder |Keith Tanner
By Paris Van Gorder Apr 2, 2025 | $2000 Challenge | Posted in Features | Never miss an article “I don’t think I had done an oil change when I started this build,” admits Derek Penner, builder of this unlikely mashup between a Volkswagen Beetle and a Mazda Miata.
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1 month ago | 
grassrootsmotorsports.com | JG Pasterjak |Keith Tanner
Update by J.G. Pasterjak to the BMW 435i project car Mar 17, 2025 | BMW, BMW 435i Photography by J.G. Pasterjak For a car that usually operates at 12-15 psi of turbo boost, 0-3 psi wasn’t doing our BMW 435i any favors on track. One good thing about a large, catastrophic boost leak like this: It should be fairly easy to locate. [What’s causing our BMW 435i’s boost problems?]A few other assumptions would also guide our search.
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Jan 28, 2025 | 
grassrootsmotorsports.com | Keith Tanner |JG Pasterjak
Update by J.G. Pasterjak to the BMW 435i project car Jan 28, 2025 | BMW, BimmerWorld, BMW 435i Photography Credit: Tradd Slayton/Racing for ALS During the second week of January, we passed the one-year mark wince we brought home our 2015 BMW 435i project car. And while we’ve detailed the performance modifications we’ve done, we haven’t talked that much about the more mundane tasks of simply maintaining the car for daily use.
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Sep 17, 2024 | 
grassrootsmotorsports.com | Coniglio Rampante |Chris Tropea |Keith Tanner |Colin Wood
By Staff Writer Sep 17, 2024 | Mazda, Miata, Sponsored Content, Lime Rock Park, MiataCon | Posted in News and Notes | Never miss an article Photography Courtesy Lime Rock Park Coming soon: this fall’s big East Coast Miata event. Connecticut’s Lime Rock Park will hold its second annual MiataCon on October 25-26.
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Sep 8, 2024 | 
grassrootsmotorsports.com | Keith Tanner
[Editor's Note: This article originally appeared in the December 2019 issue of Grassroots Motorsports. Prices have been left as they originally appeared in print.]Does more money equal better results? Yes. No. Maybe. More likely, the answer is the usual: It depends. Take a suspension setup. Today’s market offers the full range of options, from simple, comfortable upgrades to hardcore, race-spec hardware. Do you need to jump to the head of the line in order to get good equipment? Once again, it depends.
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Jul 21, 2024 | 
grassrootsmotorsports.com | Keith Tanner
In the continuing quest for performance, eventually you’ll hit physical or digital barriers separating your car from that next level. When it comes to the physical barriers, those are usually pretty cut and dried: Piston engines are air pumps, ultimately, so installing those exhaust headers and an intake that increases pumping efficiency are straightforward decisions.
