str8pipez Posted November 30, 2013 Share Posted November 30, 2013 My 75 has the 50A alternator and I will be adding MS soon as well as a small amp for audio. I'd like to upgrade the alternator for a good solid charge and electrical supply, so will a 280ZXT alt at 70A be sufficient, or should I use a GM 10si, 12si, etc at 94A+.? Anyone have a suggestion? Quote Link to comment Share on other sites More sharing options...
mattb3562 Posted December 1, 2013 Share Posted December 1, 2013 I run ms and a 300 watt amp on my l28et car with a 70 amp alternator Quote Link to comment Share on other sites More sharing options...
NewZed Posted December 1, 2013 Share Posted December 1, 2013 Be aware that if you go to a typical parts store and ask for 280ZXT alternator you'll most likely get a 60 amp unit. Quote Link to comment Share on other sites More sharing options...
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