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Re: alternator
#88611 Thu Aug 22 2002 03:08 AM
Joined: Sep 2001
Posts: 30,165
ace skiver
One disadvantage of a one-wire alternator seems to be that it needs to be "excited" and does not start charging until the engine reaches 1200-1500 rpm (mine starts charging at 1200 rpm).

Once the alternator has been "excited", it charges at all rpm from idle upwards (450/500 rpm and upwards). I think some people do not realize this (they think that a one-wire alternator does not charge below 1200-1500 rpm).

If you have read fifthave's post about using a DA plug vs a one-wire alternator, you know that there is another disadvantage related to the lead to the coil remaining hot with the ignition-switch off when using a non-stock ignition. This disadvantage is eliminated if you use a newer ignition switch and attach the lead to the coil to an key-"On" accessory terminal (I think I got this right).


Tim []
1954 3106 Carryall Suburban [] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. []
Re: alternator
#88612 Fri Aug 23 2002 12:41 PM
Joined: Feb 2000
Posts: 50
rat Offline OP
i went to the local Alt/starter shop and had them wire up a 80 amp alternator for single wire for $80. He said you have to exite it at about 750-800 RPM then it will charge even at idle. I'll just give it a good kick in the butt when I start it and be home free. Now all I need is to install it today. Thanks for all the help. cool grin

'52 Chevy 5 window, it ran when I parked it
'53 Chevy 5 window, running the streets with me.
'55 Massey-Ferguson, tearing up the dirt
'89 Harley FXSTS, suicide clutch
'92 Harley FLSTC, equal time with the '89
Re: alternator
#88613 Sat Aug 24 2002 03:35 PM
Joined: Dec 2000
Posts: 510
Shop Shark
Good decision.

"drugs are money, money is power, power is security"
Kent Heiner

Nedrow population 2212
Carbon footprint family of 2/11 tonnes of CO2/yr
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