NASCAR uses stock engines, with many of the racers using the engines created by Roush-Fenway. These are four stroke engines that reach horsepower of over 800.
Yes, NASCAR racing engines use antifreeze. There is no other way for them to keep the engine from overheating. NASCAR engines are similar to street engines but with more horsepower.
No, NASCAR engines are naturally aspirated and turbochargers are prohibited (not allowed).
No, they use V8 engines.
Yes
The compression ratio for NASCAR engines is limited to 12.0:1.
Most NASCAR race teams build their own engines. Some smaller teams lease engines from a team that builds engines. Building your own engines can allow a team to customize their car to their drivers style and abilities. But teams do not have free reign when it comes to building their engines. NASCAR has strict rules and guidlines that the teams must follow when it comes to the engines.
In team shops.
Nascar do allow the use of Cometic gaskets on the racing cars. The cometic gasket is produced with today's lightweight engines in mind and provides extra performance and power output
360 c.i. v8
No, NASCAR engines are cooled by water. Ethylene glycol cannot be used due to the fact that if there is a wreck, the track will remain slick in that area and a hazard. In addition, it would not be good for the environment.
NASCAR engines have been known to have 6 cylinders, but most prefer to run V8s.
Several NASCAR teams utilize Hendrick engines, primarily those affiliated with Hendrick Motorsports, including the main four drivers of the team: Chase Elliott, Kyle Larson, William Byron, and Alex Bowman. Additionally, teams like Spire Motorsports and Collegiate Racing have been known to use Hendrick engines in various capacities. These partnerships help enhance performance and competitiveness on the track.