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Carburetor vs. Fuel Injection System

Carburetor
Pros Cons
Simple Prone to icing which can lead to engine stoppage
Reliable Poor fuel distribution
Can be overhauled with no requirement
for a test bench
Poor fuel atomization
  Requires provision for carb heat
  Will not work in negative “G” condition
  Proper overhaul can only be validated by installing the carburetor on an engine and flying the airplane
  1920's technology

TITAN® EXP™ Fuel Injection System
Pros Cons
Excellent fuel metering, distribution, atomization and vaporization More complex than a carburetor
Carb heat provision not required Requires the use of a calibrated test bench for overhaul
No requirement to pass induction air through oil sump to improve fuel distribution and vaporization  
Can use cooler air to make more power
Smoother running engine due to better fuel distribution  
Allows fuel/air mixture to be optimized for each cylinder  
Works in any aircraft attitude  
Throttle body can be mounted in any position available on the engine  
Can be installed to take advantage of ram air  
Allows engine to be leaned more precisely thereby improving fuel economy  
More HP for the same amount of fuel  
Spark plugs remain cleaner and therefore, live longer  
Works in supercharged applications  
The same basic system works on engines of different displacements  
Works on any induction system in the market  
Proper fuel flow and operation are validated during bench tests  
Direct injection into the intake port cools the intake valve  

1-1/2” to 2” manifold pressure advantage over a carburetor or servo system. (Due to lack of a venturi in the inlet air passage.)

a) 1” of manifold pressure equates to 2 to 3% horsepower.

b) 1” of manifold pressure equates to approximately 1000' of critical altitude.

c) 1000' of altitude with the same HP equals 2.5 kts.

 
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