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04-26-2004, 12:24 PM
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charging problems... not enough
Hey everyone.. i have a 78 pontiac firebird with a chevy 350 in it and my alternator isnt putting out enough amps to keep up with everything i have when i run my fan with my headlights it drains my battery very badly.. what year model vehicle can i get another alternator off of that would be able to mount up to my engine and keep up with my fan and lights. right now my alt. is rated at 65 amps and i am guessing that i need one rated in about 90-95.. ?? please help
thanks 
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04-26-2004, 02:23 PM
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Most vehicles had higher rated alternators as an optional package. You will just have to find one at a wreckets or order a rebuilt (That's what I would do)
You may need a different bracket or two.
__________________
Ontario Rodders
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04-26-2004, 03:52 PM
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What kind of vehicle would i have the best luck using? Alternator off what year model?
thanks
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04-27-2004, 02:45 AM
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You want a Delco 12si alternator. They're rated at 94 amps. Depending on which side of the engine your alt is on ... the 3:00 position is most popular (passenger side) ... AC Delco #321-266 / Lester #7294-3 -- see 1984 Hi-Perf Camaro ... the 1985 Pontiac Firebird uses a 78 amp AC-Delco #321-247 / Lester #7278-3.
Also, check your fan belt! If it's shiney or loose, it could be slipping and not turning your alt properly. Alan 54 Chevy Pickup
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