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Old 06-18-2008, 06:22 PM   #6 (permalink)
diesel_john
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Voltage divider worked good on a 5.0 HO mustang.(batteries lasted for weeks) 10% improvement
The rheostat is still on my 5.0 F250 don't have any improvement data because my pulse width mileage computer gets very confused when the pulse width goes to 80% and the injector still wouldn't open. But i have range enough range to stall the engine so i am sure lean burn is in between there somewhere. It is difficult to hurt these old cast iron engines at low throttle settings. never had any problems with detonation.

Last edited by diesel_john; 06-18-2008 at 10:26 PM..
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