To let a NASCAR engine run up to about 9000 rpm (where it makes all that power), they use especially stiff valve springs that keep float under control. Intake and exhaust systems optimized to flow massive amounts of air at high RPM which can be used to burn lots of fuel producing corresponding high power.
How do NASCAR engines make so much horsepower?
Remember, they are both 358 Cubic Inches, but the larger bore diameter and shorter stroke mean much more horsepower. As others have stated in this thread, the engineering of the parts, and the material they are made of, and how they all fit together just adds to the horsepower that these engines put out.
Are NASCAR engines naturally aspirated?
NASCAR Cup Series cars currently uses naturally-aspirated V8 engines, which Rushbrook says will remain in the motor sport for years to come.
How long do NASCAR engines last?
Most production car engines are designed to last over 100,000 miles. NASCAR race car engines are designed to last one race (500 miles, in the case of the Daytona 500). While the same version of an engine is typically used for an entire season, it is rebuilt after each race.
Why was Dodge banned from NASCAR?
The Dodge Daytona and Plymouth Superbird were incredibly non-traditional cars for their time. … After smoking the competition and setting speed records in NASCAR races, most notably at Talladega, both muscle cars were banned from competition for the 1971 season.
Do NASCAR drivers wear diapers?
NASCAR drivers do not wear diapers so, if a NASCAR driver needs to pee during a race, then they go right in their suit and onto the seat. Every moment counts and a driver is not going to waste time stopping. However, drivers will rarely need to urinate during a race due to careful planning and excessive perspiration.
Are all engines the same in NASCAR?
All engines are the same size, and, in fact, they’re all the same except for certain parts on the engine. “The manufacturer supplies those parts to the teams and they assemble the engines.” One major area of differentiation among the engine design teams relates to valve timing.