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<blockquote data-quote="jsloan10" data-source="post: 947537" data-attributes="member: 560397">A high output alternator will put a noticible strain on the engine when the electrical system is demanding alot of current.My 90 Cav. had a 160 amp alt in it and you could feel the the engine bog slightly on the freeway when the big bass notes would hit, this was with a 1200watt rms amp(3.1L v6).A larger pulley will reduce the strain on the motor but you will trade off availble amperage at idle and possibly suffer voltage problems at stop lights.A long time ago when I was in school they did an experiment where they replaced the wheel of an exercise bike with a stock chevy alternator to teach us about electricity, we would hop on the bike and pedal for all we were worth in order to light up a series of automitive bulbs and I can say from physical experience that alternators do indeed require alot of kiinetic energy in order to create power.In short, alternators do consume a noticable amount of engine power, this is why hard core dragracers remove them entirely from their cars.</blockquote>

[QUOTE="jsloan10, post: 947537, member: 560397"] A high output alternator will put a noticible strain on the engine when the electrical system is demanding alot of current. My 90 Cav. had a 160 amp alt in it and you could feel the the engine bog slightly on the freeway when the big bass notes would hit, this was with a 1200watt rms amp(3.1L v6). A larger pulley will reduce the strain on the motor but you will trade off availble amperage at idle and possibly suffer voltage problems at stop lights. A long time ago when I was in school they did an experiment where they replaced the wheel of an exercise bike with a stock chevy alternator to teach us about electricity, we would hop on the bike and pedal for all we were worth in order to light up a series of automitive bulbs and I can say from physical experience that alternators do indeed require alot of kiinetic energy in order to create power. In short, alternators do consume a noticable amount of engine power, this is why hard core dragracers remove them entirely from their cars. [/QUOTE]

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