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A NASCAR Cup Series engine with the maximum bore of 4.185 inches (106 millimeters) and stroke of 3.25 inches (83 millimeters) at 9,000 rpm has a mean piston speed of 80.44 fps (24.75 m/s). Contemporary Cup engines run 9,800 rpm, 87.59 fps (26.95 m/s), at the road course events, on Pocono Raceway 's long front stretch, and at Martinsville ...
Dec 17, 2022 · NASCAR cars use 90-degree pushrod V8 engines, featuring 358 cubic inches (5.9 liters) of displacement. These engines come from 3 manufacturers – Chevrolet, Ford, and Toyota – and while they must follow strict specifications, there is also enough room for variation if they remain within the rules.
Mar 28, 2017 · At the Monster Energy NASCAR Cup level, it’s no secret that the competition is fierce. Every little thing matters from the driver to pit stops to one of the most important aspects – the engine. The Chevrolet engine in Cup is called a R07.2. That’s a 5.8L two-valve per cylinder V8.
May 5, 2021 · Under the hood, the pushrod V-8 engines from Chevrolet, Ford, and Toyota will still be limited to 358 cubic inches and capped at 550 horsepower for restrictor plate racing and 670 hp for all...
Dec 21, 2021 · NASCAR officials set the rules configuration for a majority of tracks on the 2022 Cup Series schedule Tuesday, announcing that the Next Gen car will use a 4-inch rear spoiler for downforce and will...
Sep 29, 2021 · For the 2022 season, NASCAR officials have created two aerodynamics/engine “packages” for NASCAR spec cars. The Superspeedway package for Talladega and Daytona includes a seven-inch spoiler and 510 horsepower restrictor plates.
May 6, 2021 · Engine intake from the grille area with a new longer airbox; Hood exits incorporated to assist with engine cooling; SPECS. Overall Length:193.3” Overall Height:50.2”
Oct 28, 2023 · NASCAR engines are 358 cubic-inch pushrod V8s. Even though they are a traditional “overhead valve” design, they leverage advanced technology such as titanium valves and a dry sump to redline at 9,000 rpm or higher. Their wide power band makes them versatile race engines.
Feb 13, 2023 · In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years. Talk to the experts. Call 800.979.0122, 7am-10pm CST, everyday.
Feb 3, 2014 · Chevrolet's latest NASCAR race engine, known as the R07, which debuted in 2007 is perhaps the most refined small-block in the world. The R07 shares few similarities with any production...
