Written by Simon of Alfa Romeo Seminar 23 Jan 2005 Wirtten by Simon of

Written by Simon of Alfa Romeo Seminar Content 1.Engine basic 2.Alfa engine philosophy 3.Alfa technologies 4.Alfa end results

Written by Simon of 1. Engine Basic Air Fuel Air to fuel 14.7:1 Electric Engine Exhaust Cooling Lubrication Output: rotational force

Written by Simon of 1.Air 2.Fuel 3.Electric Engine 4.Exhaust 5.Cooling 6.Lubrication

Written by Simon of Air Need precision measurement Smooth Ramming effect Twin cam Valves Tumble Cooling Turbocharge / supercharge

Written by Simon of Fuel Precision injection quantity atomization Fuel pressure

Written by Simon of Electric Stable 13.5V Withstand high temperature Chassis earth

Written by Simon of Cooling Temperature control Maintain 90°C operating temperature Efficiently rise to operating temperature Engine best at °C

Written by Simon of Lubrication Lubricate moving parts Cooling

Written by Simon of Exhaust Scavenger effect Exhaust tone Heat up catalyst Turbo need temperature control

Written by Simon of 2. Alfa philosophy High performance Nice Exhaust tone Natural Aspiration Reliability? Durability? Stability? Fuel economy?

Written by Simon of 3. Alfa technologies Engine layout Engine block Cam JTS Fuel system Exhaust …

Written by Simon of Engine layout Boxer In-line 4 V6 Performance Comparison

Written by Simon of Boxer features Iron block alloy head SOHC/DOHC Fuel injection exhaust Belt driven High tension wire

Written by Simon of Inline 4 features Iron block Alloy head DOHC Fuel injection 8v/16v exhaust/ stainless exhaust Chain/Belt driven High tension cable/ignition coil Variable valve timing Twin spark JTS Variable intake system Water/oil heat exchanger

Written by Simon of V6 features Alloy block alloy head Fuel injection Variable intake system Electronic throttle Ignition coil

Written by Simon of Comparison Boxer series 1.5 8v 1.7 8v v In-line v v v V series 2.5V6 3.0V6 12v 3.0V6 24v 3.2V6

Written by Simon of Technical features Alloy block Cast iron block Steel liner

Written by Simon of Twin Spark Old design working principle New design working principle Waste spark cc 76hp cc 80hp cc 75hp

Written by Simon of V cc 73hp cc 75hp cc 78hp

Written by Simon of JTS Jet thrust stoichiometric Lean burn Direction injection 1000cc 83hp Increased compression ratio, therefore thermal efficiency

Written by Simon of Variable geometry intake path

Written by Simon of Tooth belt Timing chain

Written by Simon of Spark plug type Hot type cold type Normal Platinum Iridium

Written by Simon of Air filter type OEM Genuine K&N panel Mushroom type

Written by Simon of Engine oil Viscosity 10W-60 Synthetic vs. mineral oil Tolerance Maintain viscosity throughout temperature Slow deterioration Withstand high temperature Less vapourization

Written by Simon of Fuel Fuel additive Octane booster Injector cleaner

Written by Simon of Electronic throttle

Written by Simon of Ignition coil High tension wire/cable

Written by Simon of Exhaust system Stainless steel 4-2-1

Written by Simon of Operating parameters Intake length Smoothness Overlap timing Exhaust length Diameter Manifold Fuel pressure

Written by Simon of High performance engine 1000cc NA ~ 110hp

Written by Simon of Transmission Manual 2.0 selespeed 2.5 Q-system 3.0 Q-system 3.2 Sportronic CAE Cambrio Automatico Elettronico

Written by Simon of Manual 2.5V6 Clutch plate has dual mass flywheel Therefore no spring on clutch plate Clutch impulse damper

Written by Simon of Selespeed A hydraulic controlled manual gearbox Designed primarily as sporty sequential transmission But so advance that can also be used as automatic Advance CITY mode On 2.0, GTA

Written by Simon of Q system A 4 speed automatic gearbox structure Sport City Ice With shifting programs On 2.5V6

Written by Simon of Sportronic On 166 A 4 speed automatic gearbox structure With 12 shifting programs Self adaptive

Written by Simon of Drivetrain Limited slip differential Good and bad for Front wheel drive Rear wheel drive 4 wheel drive Q4

Written by Simon of Chassis Suspension type Wheels and tyres Brakes Safety features Body

Written by Simon of Suspension Aims Steering feedback Anti dive Anti squat Self centering Cornering ability Rear suspension aids steering

Written by Simon of Suspension type Aim – Space vs. handling McPherson strut – compact Double wishbone – good handling Multilink – compact and good handling DeDion - the best rigid axle

Written by Simon of Suspension

Written by Simon of Trailing arms

Written by Simon of wishbone

Written by Simon of McPherson

Written by Simon of DeDion

Written by Simon of Dampers Koni vs. Bilstein Oil vs. gas Electronic dampers – best of both world Self leveling – BOGE Nivomat

Written by Simon of E-dampers Front and rear accelerometers

Written by Simon of Nivomat Self control and self power Fitted to 156 SW

Written by Simon of Wheels and tyres Alloy wheel size 6.5J x 16 Tyre requirements: dry grip, wet grip, hydroplaning, noise, life Compound vs. tread pattern Size/diameter/width pressure Tyre life High performance tyre – outer edge more compound

Written by Simon of Brakes Inboard vs. outboard Ventilated disc vs. solid disc Grooved, drilled, combi Sport pad vs. competition pad Bed in procedure ABS/TCS/VDC/EBD/EBA/ASR/MSR

Written by Simon of ABS – anti lock brake system EBD – electronic brake distribution TCS – traction control system EBA – emergency brake assist VDC – vehicle dynamic control ASR – Anti slip regulation MSR - Motor Schleppmoment Regelung

Written by Simon of Cross drilled/Groove Ventilate/Solid Overheat/warp Dust removal

Written by Simon of Safety Fire prevention system Inertia switch Crumble zone Pretensioner ISOFIX Collapsible column Air bags Dual zone air con

Written by Simon of Body Galvanized steel Multi layer door Xenon light Anti abrasion coating Weight distribution Polar moment

Written by Simon of AutoDelta Its Tuning philosophy J10 J11 J12: Turbo GTA AM: Bigger bore Super: Roterx Supercharger Engine, suspension, brakes, transmission

Written by Simon of Roterx

Written by Simon of Thank You