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Thread: Alternator ?'s Honda 290amp alternator

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    Alternator ?'s Honda 290amp alternator

    So i spoke to one of the large alt companies. he says my stock honda alt is the base they use for there hi amp small case alts. So does that mean my alternator can be upgraded/converted via a kit or something?
    He claims it will be a 290 amp alternator and bolt right it. Then i can put my larger amp in ..that would be cool.
    Anyone know anything about converting/modifying these small case alts. ? Noisey mess's with alts maybe he will chime in.

    Thanks

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    Dont know about 290. That seems kinda magical

    noizybuilt.com

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    Quote Originally Posted by noisemaker View Post
    Dont know about 290. That seems kinda magical
    agreed. You MAY see 290 for about 3 seconds if you were at the north pole in the dead of winter. Once that puppy warms up all bets are off. Small cases simply wont sustain that sort of amperage once they heat up.

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    come on guys ive beat the snot out of mine for 3 years straight in traffic everyday in the paddy wagon . it was rated for 270 . with heat 225 amps . there is some great technology out there . just remeber fords have the worst cooling alternator , lol lol lol lol 200 amps is always a good start for amperage . good bang for a 2 x 8 or something , lol lol lol

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    So if 200 amps is suitable for a 2x8, then isnt 2000 amps a bit overkill for a 64 pill? Unless there was more than one 64 pill.....

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    Yeah i dont know.. 290 was kinda shocking this was Nations by the way.. guy was quite informative he said with heat over 200amps. He also said my car draws 40 amps as soon as its started.. what??... i gotta get the amp clamp out.

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    Well whats running? Fuel pump, ecm, ignition, abs pump on, and 10 million sensors. I can see 30 or 40 a being used

    noizybuilt.com

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    If im using 30 40 a at idle .. i need to up that alt. amperage...This alt in there now just started doing weird things.. at idle my voltage is going up and down .. enough to see it in my head lamps... as soon as i get to 800 rpm it stops.. i wanna check for a loose ground first. If this alt is coming out .. i will get something bigger.

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    If u step on the gas does wierdness go away? Overdrive pulley...

    noizybuilt.com

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    I may have found the issue... maybe connection .. i had my hand in there on the wires.. seemed to stop ..there is no room in there... so i gotta dig in and check it further.

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