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Re: Idle Speed Lowers When Fans Kick In
Depending on the vehicle application, alternator current (amperage) output at engine idle speeds of 600-700 RPM can be as low as 35% of the full rated output. With enough electrical loads engaged, it is easy to exceed the alternator current (amperage) output when the engine is idling at 600-700 RPM. This is a normal condition– the battery supplements for short periods of time.
The stock SVX alternator has a maximum rated output of 95A.
Read this to make things a little clearer.
http://www.subaru-svx.net/forum/atta...4&d=1270949812
And yes, a high-output alternator would help tremendously. A 160A unit would put out about 55% of rated output at idle. Would definitely need the 4 gauge wiring upgrade.
PM me for more about this issue.
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Subaru Ambassador
1996 Polo Green LSi #216 ..138,100 miles. ..SOLD
JFICX8659TH100216.....Date of Manufacture: November 16, 1995.....
Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan
In-Service Date: January 2, 1997
"The Pristine Green Polo Machine”
First Polo Green on the Network
First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000)
First 5000K HID factory fog lights (2007)
First SVX JDM BBS wheels on a USDM SVX (2013)
HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler.
R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016 
2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback 
2007 Mazda Miata MX-5 PRHT...102,000 miles.
Plenty of parts, service and windshields. 
4th Registered Network member —2/21/2001
My NEW locker..I...My Email..I..Wikipedia/SVX .
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Last edited by svxcess; 05-23-2014 at 09:01 PM.
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