Automotive degree

1. ENGINE PERFORMANCE
ENHANCEMENT
ENGINE MODIFICATION FOR 4G18P
NAME: YOGEESAN A/L KESAVAN
ID NO: 50225221053

2. INTRODUCTION
What is mean by engine modification?
The adjustment or modification of the internal combustion engine or engine
control unit (ECU) to yield optimal performance and increase the engine’s
power output, economy, or durability.

3. OBJECTIVE
To improve speed with greater control
Increase horsepower
To improve engine combustion

4. METHODOLOGY
Engine Model: 4G18P
Engine Modification:
1. Cam pulley
2. Crank pulley lightweight
3. Fuel pressure regulator
4. Air intake open pod system
5. Throttle body
6. Triple core spark cable
7. Twin tip iridium spark plug
8. Clutch 8.5’’
9. ECU piggyback system
10.Exhaust system

5. • Handling Modification:
1. Suspension Adjustable (hi low soft hard)
2. Sport rims 16’’
3. Tyre Profile (205/50/16)
4. Double layer brake servo
5. Brake pad

6. RESULTS
BEFORE
• Dyno results:
Stock engine: 102hp , 150nm
AFTER
• Dyno results:
Modified engine: 138hp , 178nm

7. PROTON WAJA 4G18P ENGINE

8. RUNNING ON DYNO

9. THANK YOU