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Engine Tech Articles Exploring the engine

DTM Slide Throttle Bodies (New!)
Introduced by BMW Motorsport towards the end of the factory racing effort in order to squeeze every last bit of power out of the S14 power plant.
Rod Ratio Dynamics
See how rod ratio affects crank normal force and cylinder side-wall loading.
Rod Ratio Kinematics
See how rod ratio affects piston position, speed, and acceleration.
S14 Carbon Fiber Airbox Symposium
A historical look at carbon fiber airbox development for the S14 engine.
Flow Bench Results
Compararison of the 215HP, Evo III and Honda S2000 cylinder heads.
Euro 3.8L E34 M5 Intake Valve
A unique valve with a 7mm to 6mm stem diameter.
X-Pipe Theory
An examination of the 4 cylinder exhaust with X-Pipe.
S14 Exhaust Center Section
A look at the various features of the S14 exhaust center section.
Sonic Test Data
Measuring the cylinder wall thickness on a bored S14 block.
TMS Stage III Cyl. Head
Photos ofintake/exhaust ports on TMS Stage III S14 cyl. head.
S14 Throttle Body Gaskets
Evo III intake gaskets vs. original 2.3L intake gasket.


Home
Back to Tech Articles
place holder
Roll Cage Symposium
Dyno Results
Engine Tech
Suspension Tech
Chassis Tech
Miscelaneous Tech