Ferrari Mailing List: Re: fuel mixture analysis

[Larry (l02turner]

Thanks Doug! 

    Complex stuff with lots of variables â I appreciate your explanation.   Right-o about the vacuum leaks â they seem  to be the bane of intake systems.  Vac Leaks and inaccurate ignition settings are often the only problem with FI â but lots of other stuff gets blamed.

 

LarryT

 

From: Doug and Terri Anderson

Sent: Friday, November 04, 2011 8:09 PM

To: 'Larry'

Cc: 'The FerrariList'

Subject: RE: [Ferrari] fuel mixture analysis

 

Hey Larry â

15.1:1 is good number if yer running a lean burn Honda. 

Stoichiometric is Lambda (1.0) and is 14.7 parts of air to one part fuel, BY WEIGHT.

Snort

But youâre both super correct if that number on Michaels note was supposed to be stoichiometric and it was all from BEFORE the combustion chamber, the engine wouldnât run.

From what I saw from the other readings â heâs got one hell of a vacuum leak some before the combustion chamber and a lot after.

DOUG