Forum: Forum News & Feedback
02-02-2010, 08:49 PM
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Replies: 50
Views: 350,042
I think MFI is normally "Multiport Fuel...
I think MFI is normally "Multiport Fuel Injection", not "Mechanical Fuel Injection". Fuel injection which is not multiport is called TBI or "Throttle Body Injection". This was used on lots of...
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Forum: General Efficiency Discussion
11-03-2008, 05:07 PM
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Replies: 14
Views: 204,558
More mechanical problems
Here are some additional problems that hurt fuel economy:
More engine problems:
- high idle speed
- high fast idle speed when cold
- incorrect idle mixture adjustment (carburetor or fuel...
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Forum: EcoModding Central
10-27-2008, 10:54 PM
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Replies: 220
Views: 269,534
Right, adiabatic expansion during the power...
Right, adiabatic expansion during the power stroke would be ideal. A cylinder that has a length that is twice the diameter has the lowest possible surface area for a given volume. Therefore, an...
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Forum: General Efficiency Discussion
09-30-2008, 02:51 PM
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Replies: 14
Views: 204,558
Here are a few engine problems that hurt fuel...
Here are a few engine problems that hurt fuel economy:
- missing or defective thermostat, causing low operating temperature
- clogged intake manifold exhaust crossover passage (for heating...
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