Improvement and optimization td 5-4

[rover14]

Hello evrey one

i must help for my studies (mechanical engineering) finding solutions to a future problems or Optimization Tips in landrover models defender TD5/4

for example: bypass the EGR cooler on td5

makes the engine use less energy may not be true,

But you got the idea

Problems  or suggestion can be mechanical or electrical optimization,

Of course the ideas ill be used would be rewarded accordingly

thanks in advanced