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Re: Alternator question
Quote:
Originally Posted by halistan
The guy that was working there in Christian's place said they had some regulators back in stock so they cracked it open, replaced it and gave it back to me in about 20 minutes. They didn't charge me since I purchased the lifetime warranty on the unit. However, when I took it to them last year after having a problem with it, she did charge me to have it rebuilt again. She offered me the lifetime warranty for $100 though so I paid the extra so in case I had this issue again. I'm glad I did.
I got it installed last night and its back up to charging at 14v and seems to be just fine again. I'm going to put the larger pulley on shortly just to be on the safe side. I am concerned that this smaller pulley is contributing to it burning out since it's not spinning the alternator enough. I'll let you know how that goes.
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You advise that, “ I got it installed last night and its back up to charging at 14v and seems to be just fine again. “
Presumably you are referring to the crankshaft pulley. A larger pulley on the alternator will reduce its speed in RPM.
Increasing the alternator RPM will be mechanically detrimental and will offer no electrical advantage, provided that charging is adequate at low engine speeds. Therefore leave as is.
In point of fact increasing the alternator speed will increase the prospect of it becoming damaged, i.e. both electrically, and in particular, mechanically.
Abnormal RPM will result in an increased and an abnormal output which must then be offset by the regulator, which if anything, is then more likely to “burn out”.
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