Why is it that an engine with an already high compression ratio can be safely supercharged without changing the pistons to lower compression but not turbocharged?

1. Can you run a supercharger with high compression?
2. Does a supercharger affect compression ratio?
3. What compression ratio is best for supercharging?
4. What happens if compression ratio is too high?
5. Can you put a blower on a high compression engine?
6. How much boost can a 383 stroker handle?
7. Is it safe to supercharge a stock engine?
8. Do superchargers damage engines?
9. Does a supercharger increase torque?
10. What is a safe compression ratio?
11. What's better low compression or high?
12. Can you put a supercharger on a carbureted engine?
13. What can cause high compression in an engine?
14. What does higher compression ratio mean?

Can you run a supercharger with high compression?

engines even with higher static compression ratios is just fine as long as he uses very very conservative total timing.

Does a supercharger affect compression ratio?

The engine was equipped with a supercharger to increase the density of air supplied to the engine, and with another device to change the compression ratios. ... On the other hand, it was revealed that the higher the compression ratio of the engine, the higher the performance obtained from the blend.

What compression ratio is best for supercharging?

The optimum compression ratio is 8.0:1. Higher than 8.0:1 is not necessary or recommended. Fuel, ignition timing, and total boost could become critical factors.

What happens if compression ratio is too high?

Higher compression ratios can make gasoline (petrol) engines subject to engine knocking (also known as "detonation", "pre-ignition" or "pinging") if lower octane-rated fuel is used. This can reduce efficiency or damage the engine if knock sensors are not present to modify the ignition timing.

Can you put a blower on a high compression engine?

Share: Question: Can we put an 8-71 blower on a high output, normally aspirated Big Block V-8 with very high compression ratio (15 to 1)? Answer: The detonation can be controlled with enrichment and air to fuel ratio control, theoretically regardless of the compression ratio.

How much boost can a 383 stroker handle?

11. The crank pulley was combined with a 3.25-inch blower pulley to produce a maximum boost pressure of 9.6 psi on our BluePrint 383.

Is it safe to supercharge a stock engine?

Yes, you can supercharge a “stock” engine. When going with a “power adder” ie supercharger (many types), turbo, or nitrous, you need to know the limits of the factory engine.

Do superchargers damage engines?

Assuming a properly tuned system, proper oil change and engine maintenance, and similar driving, supercharging generally will not shorten the life of an engine, just as is the case with OEM turbocharging (with proper cooldown for turbochargers. A cooldown period after driving is not necessary with supercharging).

Does a supercharger increase torque?

In addition to the horsepower increase, a supercharger also increases torque, which improves the fun factor of driving.) Superchargers do, however, cost a little of the power they produce. ... In some cases, it can sap up to 20 percent of the engine's power before it contributes its own boost to the equation.

What is a safe compression ratio?

The often-touted 75-percent rule is usually accepted without further question. In reality, the value is far from fixed. The optimum intake-to-exhaust ratio could range from as little as 0.75:1 (for a low CR supercharged engine) to as much as 1:0.6 (for a very high-compression naturally-aspirated engine).

What's better low compression or high?

Why is it important? A higher compression ratio (CR) is beneficial for engines. That's because the higher ratio allows for an engine to extract more energy from the combustion process due to better thermal efficiency. Higher compression ratios allow the same combustion temperatures to be achieved with less fuel.

Can you put a supercharger on a carbureted engine?

Complete supercharger kits for Ford and Mopar are offered by Paxton Auto. This 440 Mopar kit has the Paxton Power Hat diffuser. A supercharger raises VE by compressing the inlet tract, providing a larger air charge than a naturally aspirated intake system can deliver. ...

What can cause high compression in an engine?

The most likely candidate would be failing/worn piston rings, but it could also be problems with the intake or exhaust valves or their valve seats, the threaded fitting that the spark plug (and likely the compression test fitting) screws into, or even a crack in the head of the piston itself.

What does higher compression ratio mean?

Higher compression ratios and combustion efficiency mean more power with less fuel, and fewer exhaust gases. On the other hand, the more violent ignitions intensify heat, friction, and wear, making it tough on the engine's internal components.