c130 alternator help
05-04-2008, 03:26 PM
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Car: 88 iroc-z/28
Engine: 408 lsx
Transmission: 5800 stall
Axle/Gears: 4.71
c130 alternator help
are there any quality alternators out there that put out amperage at idle?
i have a cheap parts store replacement, and even a smaller pulley doesnt help it at idle.
i went to a website where it showed the output, and a cs130 case only puts out 45 amps at idle. i run 3 fans, waterpump, and fuel pump. at night with headlights and foglights, its down around 10 volts on the gauge.
just like a lil more down low. i dont want to spin a 140-160amp alternator.
i have a cheap parts store replacement, and even a smaller pulley doesnt help it at idle.
i went to a website where it showed the output, and a cs130 case only puts out 45 amps at idle. i run 3 fans, waterpump, and fuel pump. at night with headlights and foglights, its down around 10 volts on the gauge.
just like a lil more down low. i dont want to spin a 140-160amp alternator.
05-04-2008, 10:02 PM
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Car: 1992 RS / 1989 RS
Engine: 3.1L MFI / Vortec 383 TBI
Transmission: T5 / LS-T56
Axle/Gears: 3.42 open / 3.73 Eaton posi
Re: c130 alternator help
I have a rebuilt stocker which outputs 140 amps with no problems, even has a slightly smaller pulley to output at idle.
You might spend a bit on one, Excessive Amperage makes alternators that output 200 amps or more, I've heard many good things about them. Don't know offhand how much it takes to spin it though.
http://www.excessiveamperage.com/
You might spend a bit on one, Excessive Amperage makes alternators that output 200 amps or more, I've heard many good things about them. Don't know offhand how much it takes to spin it though.
http://www.excessiveamperage.com/
Last edited by Al Hasse; 05-04-2008 at 10:08 PM.
05-04-2008, 11:41 PM
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Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: c130 alternator help
Have you looked at a CS-144 from a 1995 lumina van or the like?
05-06-2008, 05:34 PM
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Car: 88 iroc-z/28
Engine: 408 lsx
Transmission: 5800 stall
Axle/Gears: 4.71
Re: c130 alternator help
I have a rebuilt stocker which outputs 140 amps with no problems, even has a slightly smaller pulley to output at idle.
You might spend a bit on one, Excessive Amperage makes alternators that output 200 amps or more, I've heard many good things about them. Don't know offhand how much it takes to spin it though.
http://www.excessiveamperage.com/
You might spend a bit on one, Excessive Amperage makes alternators that output 200 amps or more, I've heard many good things about them. Don't know offhand how much it takes to spin it though.
http://www.excessiveamperage.com/
my alt is a 100 or a 105, but only puts out 40 at idle.
ive seen some online that are "beefed up" to spin more power at idle.
thats the only place i really need the power. i dont have any issues otherwise.
----------
nio sir, but i will.
thanks!
Last edited by stage20; 05-06-2008 at 05:34 PM. Reason: Automerged Doublepost
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