Is it possible to lower the boost ratio?
It is fairly easy to change the boost to get the best combination of performance and power, but it is extremely difficult to change the compression ratio, especially if you want to lower it. Additionally, you will make more total power with a low compression, high boost engine than you will with a high compression, low boost engine.
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What should boost ratio be on 9.5 liters?
For 9.5:1 EFI/TPI applications running without an intercooler, boost levels above 5 psi will require the use of ignition/timing retard on pump gas, and will produce horsepower gains of 35-45%. Boost levels above 12 psi should generally be avoided even with racing fuel on a 9.5:1 motor.
How to find out if your car has a boost problem?
Check Pressure Tank’s pressure storage ability with engine off Pull off one of the hoses of Pressure Tank Should hear air leaving tank (pressure), re-attach hose. Road test with boost gauge Drive to third gear with normal acceleration Accelerate from 35 MPH at WOT until passing 4,500 RPM
When do you combine boost with compression ratio?
When you combine the boost you are running in conjunction with your compression ratio, the result is known as the “Effective Compression Ratio.” Formulas have been developed that convert your static compression and supercharger boost to the effective compression ratio. Table 1 provides this information.
What happens when you increase the boost pressure on a turbo?
In dealing with forced-induction applications, it’s well known that increasing boost pressure on a properly sized turbocharger will increase power production (at least, to a point when the capacity of the turbo or fuel system is exceeded).