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#1
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Advanced Member ![]() ![]() Group: Advanced Members Posts: 349 Joined: 2-December 05 From: Lake CityTN Member No.: 998 ![]() |
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#2
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Member ![]() Group: Advanced Members Posts: 38 Joined: 11-April 04 From: Toronto Member No.: 305 ![]() |
The alternator is spinning away anyways making energy and storing it in the battery. The system supposedly uses very little energy, someone mentioned as much as one headlight. Are you saying you get worst mileage during the night when all your headlights are on and afraid of burning out your alternator in the process?
Lets say the system gives you a 20% increase in mileage like some have claimed, I can't see a little drain on the alternator being a problem. IMHO. |
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#3
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FRRAX Owner/Admin ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Admin Posts: 15,432 Joined: 13-February 04 From: Ohio Member No.: 196 ![]() |
The alternator is spinning away anyways making energy and storing it in the battery. It's spinning, and it's charging. The voltage regulator adjusts it to charge in relation to load. Meaning, it's not sitting there running at full power all the time the engine is running. More load = more hp drain. It may not be a ton, but it's the reality of the charging system. |
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#4
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Experienced Member ![]() ![]() ![]() Group: Advanced Members Posts: 1,197 Joined: 13-February 04 From: Hudson, Colorado Member No.: 197 ![]() |
The alternator is spinning away anyways making energy and storing it in the battery. It's spinning, and it's charging. The voltage regulator adjusts it to charge in relation to load. Meaning, it's not sitting there running at full power all the time the engine is running. More load = more hp drain. It may not be a ton, but it's the reality of the charging system. Exactly. And yes, if you drive a full tank at night and a full tank in the day (without day time running lights) over the exact same roads, temperatures, wind speeds, vehicle speeds etc, you will get better gas mileage in the day time. A 130 amp alternator puts out about 2 hp worth of electricity at full load, the input input load is about 20% higher or about 2.5 hp. On a low HP small car, this could actually be a noticable difference. On a larger, higher hp vehicle, this is such a small percentage of available power, you don't notice. If you can get a 20+% increase in mpg from a 2.5 hp drain then it's definately a great thing. I don't see it. |
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