What are you planning on running that you want to upgrade your alternator?Watching the behavior of the thing, it increases idle speed when you switch on the headlights from about 550 to 800. But i also got rid of the stock battery and am running 2 Kinetic Batterys. And im running a 600 watt Orion door speaker amp for my components. But constand lows and varying bass dont mess with my hids. So even if you have a 180 i wonder if it would still be limited to 90ish or less.īut i have to say im impressed with the durability of the stock alternator, bc im running 3 MTX 12's with an MTX TE1501D which is 1500watts+ and it slams and MY hids done flicker at all UNLESS the bass hits are super quick and hard. But now that im thinking about it, i better you even if you could trigger the higher output from the alternator, the ECU would limit amprage to 90. All I know is that the AC triggers the alternator to put out more power. Im guessing for the compressor for the AC even though its run by a belt. Ohio Generators can make an HO alterantor for the fits, but you have to send them your stock one, because they rip the guts out of your stock one and put in better and beefier internals. Im gonna do a little me research in finding out to trigger the alternator to put out its maximum and ill let you know what i come up with. So i thinks thats my thought on the topic. My thoughts on a HO alterantor would be to find the wire(s) that trigger the alternator to put out its maximum out, But not actually having to have the A/C running because that will just rob you of voltage. When the A/C is turned on the ECU allows the alternator to put out its maximum Amprage because the car needs the extra amprage for the A/C. The stock alternators are not running at full potential until the A/C is turned on. 161 amps 900RPMs and 173amps But yes the ECU DOES limit the alterantor output to ensure good gas mileage. Iraggi Alternators recently came out with a HO alternator for 07-08 Fits. Has any heard of any solutions yet for our GEs?Yes, actually. However, with a screwy ecu that lowers alternator output at idle this may be a huge obsticle. Im interested in moving past the 1000+ rms watt mark that I am stuck at currently. Ive been at (and past) the fit's theoretical maxium power output with my subwoofer and door speaker amps for quite a while. If I could get up to 125 amps and somehow increase idle amps as well I would be very happy. No Amount of extra batteries, wires, or capacitors is going to chang that the stock amp only puts out 75 amps and even less at idle. At full blast my headlights look more like strobe lights than headlights. The sub amp blows 55 amp fuses if I crank it up. It's pushing 2 kicker cvrs in my sealed 'winter box' (I switch to a larger ported box in the summer.) I also have a 300 watt rms 600 watt peak cea compliant amp for the 2 Polk mm 6.5 component speakers up front. But not through my neighborhood.Well, right now I have a kenwood class d mono sub amp rated at 900 watts rms 1800 peak cea compliant. Otherwise just drive around to charge it. I'd do deep cycle marine gel batteries, an isolation circuit, and aux charger to plug in at night (if you have a place to plug in). Is this sustained or peak? I don't think you're going to get there on a Fit. I'm guessing it would draw more than 1,000 watts to output that much. But, I am about to upgrade and add a dedicated midbass that will get about 240 a piece, a dedicated midrange that will get 150-225 a peice (whatever gets them level matched with the midbasses), the tweeters will stay on the same amp, and going from 1 10" sub to two 15"s in an infinite baffle setup, so they will probably use 500 watts total.To sustain 1,000 watts at 12 volts you need an 83 amp alternator. Right now I'm my gains are set so the sub gets about 600, the mids get 150 each, and the tweeters have a possible 70 each (although they never see that much). I'll probably up my alternator with one from DC Power (thanks to Wootah for getting finding a legit high output alt that puts out a ton of power at idle). Yep, I saw on the website that it was capable of something like 1350 transient, just figured I would give a rough easy number.Īnd yep, cranking the gain into clipping is a definately way to increase the average power over time without increasing the peaks, how he set his gains is actually my follow up question for when he posts what amp and what load its seeing.
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