Maxxis Tires has spent the better part of 40 years developing its reputation for building high-performance off-road tires for trucks, off-road competition, as well as ATV and side-by-side powersports machines. Off-road racing lives at the heart of Maxxis Tires‘ truck-tire designs. Here we provide an introduction to Maxxis’ excellent lineup of premium truck tires and invite
I am building a 355 cubic inch small-block Chevy with AFR 1065 220cc Race Ready AFR heads, an Erson roller cam, and FiTech fuel injection. Can I use a wet nitrous system injected under the fuel injection and then into a Weiand 6-71 blower? D.W. Jeff Smith: From your photo, it looks like a great project.
A congressional committee approved the Recognizing the Protection of Motorsports (RPM) Act by a 33-20 vote this week, making it eligible for consideration on the floor of the U.S. House of Representatives. The RPM Act (H.R. 350) was created to protect motorsports enthusiasts by federally protecting the right to manufacture, sell, distribute, and install performance
Oliver Schmidt, one of the highest-ranking Volkswagen officials implicated in Volkswagen’s emissions-cheating scandal, was sentenced to seven years in prison by a federal district court judge in Detroit this week. Schmidt is the former general manager of VW’s U.S. Environment and Engineering Office. He was a key figure in the the company’s efforts to cheat on
Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family tree: Chevy, Pontiac, GMC, Cadillac, Buick—heck, even Saab, Hummer, and Isuzu got some LS love. Since LS and Vortec engines are so common, they’ve become the go-to performance and swap engines of the modern era. These motors are
A parking lot is a parking lot—unless it’s the Summit Racing parking lot. On any given day or time, the lot outside a Summit Racing store can turn into an impromptu mini car show, depending on who’s stopped by the store. On Wednesday, we often share a notable parking lot find—another benefit of being powered by
A fresh coat of engine paint can do wonders for a tired engine bay. Seriously—whether it’s Chevy orange, Ford blue, or John Deere green, who doesn’t love a freshly-painted motor? But painting engine parts requires a different technique than painting body panels. That’s why this video from the paint pros at Dupli-Color and VHT is a good
Variable Valve Timing (VVT) is a system that automatically adjusts valve timing. GM used VVT on the following engines within the LS family. (Summit Racing’s Paul Spurlock and Brian Nutter contributed to this article.) How Does VVT Work? The computer senses engine load. It also monitors valve timing through the camshaft position sensor. It then uses
U.S. FLEET ACTIVITIES SASEBO, Japan — The final day of the 2017 Operation Appreciation tour concluded with a visit to the USS Bonhomme Richard, an amphibious assault ship that is the Expeditionary Strike Group’s main battle platform. The great ship was forward-deployed to U.S. Fleet Activities, Sasebo Japan, during the Tour of Champions that included
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re discussing mating an electric speedometer to a cable-driven Turbo 350 transmission. Q: I have a 1990 Chevy S-10 pickup with a 350 engine, a Turbo 350 transmission, a 9-inch ford rear axle
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