where do yall get HO alternators from?

300 amps alt or larger dont normally do very well at idle:fyi:
I guess i should have said it like this "Their street alternators put out more than most of the competetitors competition alternators." FYI Ive ran the brand you mentioned and now run a DCPowerinc, so until you try both brands, i dont see how you can rank yours as being better.

 
You're not really running enough power for an HO alt to be necessary. I would just replace your current one with a rebuilt stocker. After 24 years, it probably is just getting ready to peter out. 120 amp alty, a good battery, and big 3 should be plenty. A second battery wouldn't be a bad idea either.

 
13 volts isnt bad even high 12's isnt bad if it hits the high 12's for a split second and goes right back to 13 like mine does lowest it will do at idle with lights on is 12.5 with lights off lowest i seen it go is 12.8 but most of the time it hangs around 13-13.4 volts so your voltage isnt bad, throw a battery in the back and i bet it will solve any voltage drop at all

 
I guess i should have said it like this "Their street alternators put out more than most of the competetitors competition alternators." FYI Ive ran the brand you mentioned and now run a DCPowerinc, so until you try both brands, i dont see how you can rank yours as being better.
well I have 267 amps @ 2k on a dyno sheet to prove what mechman does, and almost 160 @ idle:crazy:

all I know...hard to beat em for the price

 
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