typical air fuel ratios of diesel engines

[turbA]

Hi all!

Can anyone tell me where I can get a range of typical air-fuel ratios for diesel engines?

Thank you!

 

[franzh]

This thread was recently discussed in lengthy detail, drill down a bit.

Franz

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[turbA]

i didnt quite get that... what was the title of that thread?

 

[ivymike]

something like "ideal air fuel ratio for a diesel"

 

[turbocohen]

Due to limitations of injection hardware and other thermo stuff 70:1 is bout the bottom most engines see. Theroetically af ratio can go infinitely lean if enough heat is available.