M magmaGT 10+ year member Member 34 0 Chicago Jul 8, 2003 #1 right now im running stock alternator in a 97 grand am, with a optima yellow top, to a earthquake d2. my question is, if i upgrade to a 140 amp alternator, would there be a need for caps or are they as useless as i hear? Click to read more...
right now im running stock alternator in a 97 grand am, with a optima yellow top, to a earthquake d2. my question is, if i upgrade to a 140 amp alternator, would there be a need for caps or are they as useless as i hear? Click to read more...
S SPLThunder 10+ year member CarAudio.com Elite 529 0 Jul 8, 2003 #2 alternator. I might suggest an even larger alt if you can get one.