INTAKE SYSTEMS, SLIDE THROTTLES & P-PORTS
Introduction to intake manifold theory. Add 50 HP to your aircraft engine. Text.
Welded in SS p-port tubes to the hard steel rotor housing liner.
Video and sound of RX8 P-port engine on dyno idling.
Video and sound of RX8 P-port engine showing fuel mist stand off. Not a problem with fuel injection. It is a phenomena due to the venturi in a carburetor.
RX8 P-port engine with 22 inch runner length HP and torque curves compared to stock RX8 high power engine.
RX8 P-port engine with 19 inch runner length HP and torque curves compared to stock RX8 high power engine.
Pressure wave characteristics in a peripheral port engines intake runner.
HP and torque curves for peripheral port engine equipped with 51 mm Weber dual throat carburetor and 24 inch long intake runners.
HP and torque curves for peripheral port engine equipped with 51 mm Weber dual throat carburetor and 28 inch long intake runners.
Ideal peripheral port. 120 HP per rotor at 6,000 RPM. Mazda 1991 Lemans 24 hour race winning engine.
HP, BSFC and torque curves for the Lemans four rotor engine. Divide HP and torque by 2 for an NA two rotor p-port engine.
Picture of various peripheral port rotor housings at Racing Beat.
picture of machining the two inch P-port hole in the rotor housing using a boring head.
Picture of inside view of finish machined P-port rotor housing.
How to bond the p-port tubes into the rotor housing.
How to bond the p-port tubes into the rotor housing. Part two.
Picture of p-port tubes bonded into the rotor housing with slide throttle flanges.
Picture of p-port tubes bonded into the rotor housing.
Picture of p-port tubes bonded into the rotor housing side view.
3D Low cost slide throttle mounted on P-port engine for more than 250 HP from a two rotor. Can be made at home with simple hand tools.
3D Exploded view of low cost sheet metal and Teflon slide throttle for P-port engines.
Picture of low cost sheet metal and Teflon slide throttle for P-port engines.
Picture of low cost sheet metal and Teflon P-port slide throttle mounted on the engine.
P-port slide throttle sheet metal parts drawings with dimensions and throttle cable anchor.
Long travel slide throttle for better control at part throttle. 3D
P-port slide throttle sheet metal spacer drawing with dimensions.
P-port slide throttle sheet metal flange drawing with dimensions.
P-port slide throttle sheet metal plate drawing with dimensions.
P-port slide throttle 3/8 thick Teflon drawing with dimensions.
3D Method of installing two electronic injectors on one peripheral port runner.
3D drawing of two electronic injector holder assembly on one two inch OD peripheral port runner.
Picture of 250 HP at 7,500 RPM slide throttle p-port engine on Mazdatrix dyno with electronic injectors.
Guru Motorsports fine p-port intake manifold.
Guru Motorsports fine p-port intake manifold.
Guru Motorsports fine p-port intake manifold.
3D Low pressure loss integrated plenum/intercooler turbo intake system. Uploaded to this web site in May 2001.
Low pressure loss integrated plenum/intercooler turbo intake system. Top view DWG. Uploaded to this web site in May 2001.
Low pressure loss integrated plenum/intercooler turbo intake system. Side view DWG Uploaded to this web site in May 2001.
Low pressure loss integrated plenum/intercooler turbo intake system. Back view DWG. Uploaded to this web site in May 2001.
Picture of 2004 turbo charged BMW Mini Cooper copy of low pressure loss integrated plenum/intercooler.
How to Make Carbon Fiber Intake Manifolds by Marinus B. (Ben) Bosma.
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