2021 Porsche 911 Turbo: More Power, Absolutely. Like the Turbo S, power comes from a 3.8-liter twin-turbo flat-six, putting down a stellar 572 horsepower and 553 lb-ft of torque, up 32 hp and 67
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Bi-turbo motors are also classified as parallel twin-turbo engines, as this layout features two turbochargers that are the same size working in unison. The configuration is mostly found in vehicles with V-cylinder motors, with one turbo assigned to one bank of the engine while the other turbo takes care of sending compressed air to the opposite
For the turbo, there is the lag, where it takes time to convert the exhaust gas speed to power. The good thing is that there are several tech developments to help beat turbo lag. Supercharger vs. Turbocharger Pros and Cons Supercharger Pros. The supercharger will provide more power to the engine, going to 50%.
Single turbo setups are slower to spool but take up less space than a dual-turbo setup. Dragster cars tend to prefer single turbos for significant power gains. Twin-turbo sets are easier to spool since they are smaller than a single turbo. Twin-turbo kits also have excellent underhood appeal if your car is more of a show car rather than a daily
Last edited by SS_Firehawk; 10-07-2012 at 03:59 PM. Twin scroll means a divided turbine inlet, but only one turbine. Twin scroll takes advantage of cylinder firing order and helps spool a turbo faster. Given the same turbo specs, a twin scroll will typically spool faster than a single inlet.
Ford created the 2.7L EcoBoost as a very unique engine. It shares the same direct injection and twin-scroll turbocharged aspiration of the 2.3 L, but has other massive upgrades. For one, it employs a twin-turbo design instead of a single turbo, but they combine to make a similar 17-19 PSI of boost. The block on the 2.7 is also very different.