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Old 02-01-2014, 05:59 AM
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high output alternator

i am replacing my alt. should i go with h/o. bought a 110 amp already but have not installed. should i get h/o instead. truck doesnt have anything fancy. eaxtra light, stereo anything like that. but i want it to charge good. any thoughts? thanks.
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Old 02-01-2014, 06:08 AM
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you don't need a H/O but they can be nice if they are a quality unit that puts out more than a stock would at Idle

also brand is key some of the parts house reman units are sub par

i actually had to take an newly purchased Autozone (duralast) one apart so I could put a marine spark guard on one and I was shocked at the used crap still inside
it was like they just replaced the rectifier and put a clean case on it

the good thing about your year is you have a large case my truck had a small case so upgrading to a H/O unit with a big case had heat dissipation advantages
that you already have

Last edited by ZMANN; 02-01-2014 at 06:12 AM.
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Old 02-01-2014, 06:56 AM
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I'm not sure the brand. It is from O'Reilly's. But I bought new one. It was only $20 more than the reman. I'm just torn on h/o one. If I did go h/o. How big can I go on original wiring?
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Old 02-01-2014, 06:58 AM
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mean green alternator from xtreme diesel.
pretty pricey though
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Old 02-01-2014, 09:10 AM
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If you can afford it, DC Power. Hands down. I actually noticed a difference in injector operation. Quite surprised really.
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Old 02-01-2014, 07:41 PM
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I opted for the DC Power 185 amp alternator, and it has been treating me well for 15K miles now.
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Old 02-01-2014, 08:41 PM
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I don't mean to hi-jack but can you have too much alternator for an application?

I mean the Napa Premium I just bought is rated for "100 amps" but only puts out 75@ 2500 RPMs ...and I'm pretty sure it's taken a crap on me in less than 2 weeks (less than 500 miles).

DC Power rates their 185Amp model for 100amps @ idle.. This is my next option..
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Old 02-01-2014, 09:09 PM
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Kind of. I mean its pointless to buy a 370 amp alt if you dont have a big stereo or bunch of lights, accessories, or a plow, or haul a dump trailer a lot.

Have you ever had feelings for a nun??? "Nacho Libre"
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Old 02-01-2014, 09:28 PM
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It's not going to hurt anything...well, other than your wallet at the parts counter. Just overkill.

I'd like a higher amperage alt, just to charge the batteries a bit faster, but, I'm not going to drop coin on one for just that...
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Old 02-01-2014, 09:56 PM
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At this point I'm hoping to get the 200 back I paid for it and maybe 80 for the core.. It makes 300 for a quality h/o alternator look pretty good.. Lol
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