Nascar Engine Specs
NASCAR engines are awe-inspiring pieces of engineering engineered for raw power and uncompromising durability to endure the rigorous needs of the race.
Here’s a rundown of their most important specifications along with pictures to show their components
| Spec | Value |
|---|---|
| Engine Type | 90deg 5.86 L (358 cu in) Pushrod V8 |
| Power Output | 670 horsepower (500 kW) between 510 and 670 horsepower (380 kW) dependent on the the track |
| Torque | 800 Nm (530 FTLB) |
| Compression Ratio | 12:1 |
| Bore and Stroke | 4.185 in (106 millimeters) 4.185 in (106 mm) 3.25 in (83 millimeters) |
| Redline | 9,000 rpm |
| Fuel System | Electronic fuel injection, with a one 41mm restrictor plate (550 track hp) or with no restrictor plate (670 HP tracks) |
| Ignition System | Single coil per cylinder NASCAR-spec ignition box |
| Air Intake | Restrictor plate (diameter is dependent on the track) |
| Exhaust System | Open headers |
| Lubrication System | Dry sump |
| Engine Oil Capacity | 12-14 quarts (11.4-13.2 liters) |
| Engine Oil Type | Synthetic 5W-30 or 10W-30 |
| Oil Filter Type | Dry sump specifically high-performance filter |
| Oil Change Cost | 150-200$ (parts as well as labor) |
Conclusion
The NASCAR Cup Series engines Are indeed robust with the 5.86 L (358 cu in) pushrod V8 that can produce up to 750 horsepower on specific tracks.
The engines aren’t identical And teams can fine-tune according to NASCAR’s specifications. These engines were specifically designed specifically for NASCAR and aren’t made in traditional production lines.
In spite of the strict regulations, there is constant debate about raising the horsepower. We hope you find this article on NASCAR engine specifications helpful And we thank you for exploring this world of NASCAR engines!
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