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The division that makes exhaust systems, turbo kits, cooling systems, electronics and accessory lines for Japanese and American cars is named GReddy.. GReddy is pronounced GRED-dy, [3] from the words "GREAT" and "Eddy", [3] as in a strong swirling wind current, referring to the strong swirling intake air of a turbocharger.
Boost gauge on a Ford Focus RS (left) 30 psi Boost gauge Top: Turbo/APC boost gauge in a Saab 900. A boost gauge [1] is a pressure gauge that indicates manifold air pressure or turbocharger or supercharger boost pressure [2] in an internal combustion engine. They are commonly mounted on the dashboard, on the driver's side pillar, or in a radio ...
turbo/APC boost gauge in a Saab 900. Saab Full Pressure Turbo (FPT) models with this unit include the APC name displayed on a non-numeric boost pressure gauge in the instrument panel. Although knock sensors are common even on non-turbocharged and turbocharged engines today, Saab has continued to use the APC name prominently as a differentiating ...
This is commonly referred to as gauge pressure. Boost pressure is relative to absolute pressure - as one increases or decreases, so does the other. It is a one-to-one relationship with an offset of -100 kPa for boost pressure. Thus, a MAP sensor will always read 100 kPa more than a boost sensor measuring the same conditions.
Positive displacement superchargers deliver an almost constant level of boost pressure increase at all engine speeds, while dynamic superchargers cause the boost pressure to rise exponentially with engine speed (above a certain threshold). [4] Another family of supercharger, albeit rarely used, is the pressure wave supercharger.
The Toyota Gazoo 86 GRMN Sports FR Concept Platinum is a Toyota 86/Scion FR-S modified by Toyota Gazoo Racing and equipped with a GRMN exclusive turbocharger and scroll supercharger, 6-speed manual transmission, GRMN suspension tuning, GRMN brake calipers and brake rotors; GRMN dual exhaust, GRMN alloy wheels and tyres; different front and rear ...