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One Of My New Beast Alternators


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Posted

And just for reference, during the whole test, the

voltmeter never moves off of 14.4v, that is because we never got over

the alternators maximum output capability, we ran out of load bank on

the machine.. The fact it would still do 350 amps hot and maintain

voltage, if using the average that an alternator loses 20% of output

when hot rule, we were still doing 350 hot, figure 10% on top of that

for a cold output and that alternator should top out cold between

375-390 amps....

th_350Amp2.jpg

Some of the best customer support and always answers the phones, cant wait to get these dual alts set up and my new Dual MLA :spiteful:

Team Ampere Audio

  • 2 weeks later...
Guest Just_Rob
Posted

Because you asked... That was at about 6500 rpm under full load.. At idle, in most GM vehicles, an honest 75-80 hot, internally regulated.. In that setup, idle output is mostly irrelevant, with the other alternator he is running, he has well over 200 amps at idle, hot... If he needs 300 amps at idle, I'll make it happen, he wanted big and badass, he got it. Externally regulated, and over 7000 RPM's that alternator will probably do over 400, no problem.. That alternators baby brother will run 315-320 amps, and make an honest 140 amps at idle (2300 alternator RPMS), at 14V, not loaded down to 12.5 like some people do... On a vehicle, it will probably do 150-160... I have video of that alt on the dyno too, but because I knew some skeptic would ask I ran it with 2 Fluke 337 meters, and RPM readings with a laser tach... As you can see from the video, my machine's amp gauge is off a bit and reads low.... Next time I run one of those, it will be with another 60 amps of loadbank in the machine, and better video capture software....

Too bad the RPM gauge on the dyno doesn't work, I'd be curious to see what RPM you get that 358 amps at, and what that unit does at idle.
Posted

just curious, is that Pulley RPMs, or Engine RPMs?

sundown.jpg
I have a ritual called "terminator". I crouch in the shower in the "naked terminator" pose. With eyes closed I crouch for a minute and visualize either Arnie or the guy from the 2nd movie. I then start to hum the T2 theme. Slowly I rise to a standing position and open my eyes. It helps me get through my day. The only problem is if the shower curtain sticks to my terminator leg. It sorta ruins the fantasy.
Guest Just_Rob
Posted
just curious, is that Pulley RPMs, or Engine RPMs?

6500 is pulley RPM..... Which on most GM and Ford truks and SUV's would be right at 2K engine RPM...

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