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t vago · 06-01-2016, 04:27 PM

Looking again at oil pan 4's work, I have stumbled upon this old thread.

In the course of some 5 years, state of the art has advanced, and it is apparently now possible to purchase an ideal diode controller chip that can be coupled with your ordinary high-current MOSFET. For a total of $50 or so, I can make a circuit that will replace the existing rectifier.

The circuit will shave off about 1/4 HP from the alternator during normal operation, I figure. Estimated fuel consumption will go down by about 0.4 gallon per tankful, with a little over 2.2% savings. Smaller engines will see a bigger percentage.

06-01-2016, 04:27 PM	#82 (permalink)
t vago MPGuino Supporter Join Date: Oct 2010 Location: Hungary Posts: 1,807 iNXS - '10 Opel Zafira 111 Anniversary Suzi - '02 Suzuki Swift GL Thanks: 830 Thanked 708 Times in 456 Posts	Thread resurrection, I know... Looking again at oil pan 4's work, I have stumbled upon this old thread. In the course of some 5 years, state of the art has advanced, and it is apparently now possible to purchase an ideal diode controller chip that can be coupled with your ordinary high-current MOSFET. For a total of $50 or so, I can make a circuit that will replace the existing rectifier. The circuit will shave off about 1/4 HP from the alternator during normal operation, I figure. Estimated fuel consumption will go down by about 0.4 gallon per tankful, with a little over 2.2% savings. Smaller engines will see a bigger percentage.