Join Date: May 2003
Location: Lake Entrant, near Bendale
Re: Need more ampage
A little OT, but don't really go off what the gauge says. Put a voltmeter on the car and it will still be ok.
But yes I did the same, wanted to upgrade my alt, so took the 55amp housing with 85 amp internals to our local auto elec. He fitted reverse wound stator?? I think, and it was effectively 110 amp. We also fitted a smaller pulley onto it (off a 202 holden) to brings the alternator revs up at idle.
Worked a treat, until about the 4th time I revved the engine to 6500+rpm. Alternator insides went haywire.
Auto Elec told me that those style alternators should handle around 13,000rpm, but with the gearing I had from crank pulley to very small alt pulley, at 6,500rpms, the alternator would have been doing more like 19,000rpm!!
Bit of food for thought.
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