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TPI Specialties was founded by Myron Cottrell, a professional engine builder, who had bought a new Chevrolet Corvette in 1985 and was intrigued by the potential for improvement in its Tuned Port Injection fuel injection system.
Note the height and straightness of the ports, particularly the exhaust port on the left. This design is based on a cylinder head casting purpose-built for racing modifications. The head is supplied with small ports with ample material everywhere for porting specialists to shape to their requirements without having to weld on additional metal.
Multi-point injection (also called 'port injection') injects fuel into the intake ports just upstream of each cylinder's intake valve, rather than at a central point within an intake manifold. [17] Typically, multi-point injected systems use multiple fuel injectors, [ 18 ] but some systems, such as GM's central port injection system, use tubes ...
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Port injection refers to the spraying of the fuel onto the back of the intake valve, which speeds its evaporation. [ 1 ] An indirect injection diesel engine delivers fuel into a chamber off the combustion chamber, either a prechamber or swirl chamber, where combustion begins and then spreads into the main combustion chamber.
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Also called the 'Big Doggie', the ZR2 is a concept model based on a C4 Corvette, but with a much larger 7.4 L (454 cu in) big block OHV V8 engine with multi-port fuel injection similar to the tuned port injection found on the 1985–1991 base model and a 6-speed manual transmission.
OhioHealth Doctors Hospital is a 213-bed tertiary care teaching hospital located in Columbus in the U.S. state of Ohio. Doctors Hospital operates the second largest osteopathic medical training program in the United States. Each year, the hospital trains 160 physicians in residencies and fellowships.