High compression
Fuel injection
Custom oil pan
Carbon fiber intake
4-1 header design with 40” long runners of 1.25” diameter
Carbon fiber housed muffler



Rule Analysis

Rule #
The engine(s) used to power the car must be four-stroke piston engine(s) with a displacement not exceeding 610 cc per cycle. We will be utilizing a Suzuki engine with stock displacement of 599 cc.
All parts of the engine air and fuel control systems (including the throttle or carburetor, and the complete air intake system, including the air cleaner and any air boxes) must lie within the surface defined by the top of the roll bar and the outside edge of the four tires. All parts of our air and fuel systems are well within this boundary.
The car must be equipped with a carburetor or throttle body. The throttle must be actuated mechanically, i.e. via a cable or a rod system. The throttle cable or rod must have smooth operation, and must not have the possibility of binding or sticking. The throttle actuation system must use at least two (2) return springs located at the throttle body, so that the failure of any component of the throttle system will not prevent the throttle returning to the closed position. Throttle cables must be at least 50.8 mm (2 inches) from any exhaust system component and out of the exhaust stream. Several criteria are addressed here. Our car will be using a single-blade throttle body actuated with a standard throttle cable. We are utilizing two return springs on the throttle body. Our throttle cable is relatively far from any exhaust components and is well within the 2 inches mandated.

In order to limit the power capability from the engine, a single circular restrictor must be placed in the intake system between the throttle and the engine and all engine airflow must pass through the restrictor. The maximum restrictor diameter (for gasoline engines) is 20 mm

(0.7874 in). The restrictor must be located to facilitate measurement during the inspection process. The circular restricting cross section may NOT be movable or flexible in any way, e.g. the restrictor may not be part of the movable portion of a barrel throttle body.

Intake restrictor rules are given here. We are utilizing a restrictor, as instructed. Our restrictor is to be 20 mm in diameter and made of aluminum ensuring rigidity. The restrictor is located in a very accessible location for inspection purposes.

Fuel Lines – Flexible fuel lines must be either (i) metal braided hose with either crimped-on or reusable, threaded fittings, or (ii) reinforced rubber hose with some form of abrasion resistant protection with fuel line clamps per 8.8.2. Note: Hose clamps over metal braided hose will not be accepted.

Fuel Rail – The fuel rail must be securely attached to the engine cylinder block, cylinder head, or intake manifold with brackets and mechanical fasteners. This precludes the use of hose clamps, plastic ties, or safety wire.

Intake Manifold – The intake manifold must be securely attached to the engine block or cylinder head with brackets and mechanical fasteners. This precludes the use of hose clamps, plastic ties, or safety wires. The use of rubber bushings or hose is acceptable for creating and sealing air passages, but is not considered a structural attachment.

Our fuel lines are metal braided hoses with threaded fittings. Our fuel rail will be bolted to the intake manifold. The manifold will, in turn, then be bolted to the cylinder head.
The fuel tank is defined as that part of the fuel containment device that is in contact with the fuel. It may be made of a rigid material or a flexible material. Fuel tanks made of a rigid material cannot be used to carry structural loads, e.g. from roll hoops, suspension, engine or gearbox mounts, and must be securely attached to the vehicle structure with mountings that allow some flexibility such that chassis flex cannot unintentionally load the fuel tank. Our fuel tank is made of rigid aluminum. It will be mounted to the rear of the firewall (behind the driver) with flexible fasteners to ensure no loads are ever put onto the tank.
The car must be equipped with a muffler in the exhaust system to reduce the noise to an acceptable level. The exhaust must be routed so that the driver is not subjected to fumes at any speed considering the draft of the car. The exhaust outlet(s) must not extend more than 60 cm (23.6 inches) behind the centerline of the rear axle, and shall be no more than 60 cm (23.6 inches) above the ground. Any exhaust components (headers, mufflers, etc.) that protrude from the side of the body in front of the main roll hoop must be shielded to prevent contact by persons approaching the car or a driver exiting the car.  


Engine Specifications
Engine Manufacture / Model
2001 Suzuki GSX-R 600
Bore / Stroke / Cylinders / Displacement
67.0mm bore / 42.5mm stroke / 4 cylinder / 599 cc
Compression ratio
Naturally Aspirated
Fuel Type
100 octane gasoline
Max Power design RPM
Max Torque design RPM
Min RPM for 80% max torque
Fuel System (manf'r)
Student des/built, fuel injection, sequential using MoTec M4 ECU
Fuel System Sensors
Air Temp, Coolant Temp, Throttle Pos, Crank Pos, Cam pos, wide band lambda O2
Fuel Pressure
42 psi
Injector location
5.8 in from intake valve, 60° from vertical axis of runners
Intake Plenum volume
130 ci
Effective Intake Runner Length
9 in
Exhaust header design
4 X 40" long X 1.25" OD primaries -> 5" long collector ->1.5" OD secondary
Effective Exhaust runner length
40.0 in
Ignition Timing
3-D map, RPM and Throttle position
Oiling System (wet/dry sump, mods)
Wet sump with custom sheet metal aluminum oil pan
Fuel Tank Location, Type
Behind Seat, 1/16" thick aluminum
Student built Carbon Fiber Canister, Hush Power perforated core, glass packed