IS F (2008-2014) Discussion topics related to the IS F model

ISF Alternator

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Old 04-10-10, 03:03 PM
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verals05
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Default ISF Alternator

Does anybody know how many amps our alternators produce?

I'm installing a JL system consisting of a 500/1 amp and a 13TW5 sub.

Also I'm still running my ODYSSEY PC 680 battery and I don't want to put a different battery.

Does anybody know if this battery will still be able to support the sub and amp?
Old 04-10-10, 03:27 PM
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HyperMKIV
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Originally Posted by verals05
Does anybody know how many amps our alternators produce?

I'm installing a JL system consisting of a 500/1 amp and a 13TW5 sub.

Also I'm still running my ODYSSEY PC 680 battery and I don't want to put a different battery.

Does anybody know if this battery will still be able to support the sub and amp?

you should be fine.
i'm running 2 - 12" subs off a 1000 watt amplifier with the stock system
technically, once your car is started the battery is just a load and won't really matter with the system. it's more so the alternator that will take the beating after the car is started.
Old 04-10-10, 03:37 PM
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jkeifer3
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Originally Posted by verals05
Does anybody know how many amps our alternators produce?

I'm installing a JL system consisting of a 500/1 amp and a 13TW5 sub.

Also I'm still running my ODYSSEY PC 680 battery and I don't want to put a different battery.

Does anybody know if this battery will still be able to support the sub and amp?
The battery by itself won't support it for long. Keep the engine running all the time even when your on the top of Mullholland Drive necking with your chick.
Old 04-10-10, 03:53 PM
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BigA_IS-F
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I wouldn't worry about it. Put in a cap if you are worried. I'm running a 1500w memphis and 2 JL 12" W7's with no problem in my 4runner with a 70amp alternator. I do have a yellow top battery but i'm having no problems and been doing it for 5 yrs now.
Old 04-10-10, 04:51 PM
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LEXUSF
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u have a class d amp and no need for a cap.
Old 04-10-10, 04:53 PM
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LEXUSF
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Originally Posted by HyperMKIV
you should be fine.
i'm running 2 - 12" subs off a 1000 watt amplifier with the stock system
technically, once your car is started the battery is just a load and won't really matter with the system. it's more so the alternator that will take the beating after the car is started.
true and lexus parts are not cheap! u should be fine with a stock alternator with a small amp like the 500/1
Old 04-10-10, 05:54 PM
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BigA_IS-F
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Originally Posted by LEXUSF
u have a class d amp and no need for a cap.
Why would you say that?
Old 04-10-10, 07:19 PM
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Joe Z
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Lightbulb

Lexus IS-F Alternator = 12V 180A

Lexus Part number = 27060-38060

Also, used in the GS460.....




Joe Z
Old 04-10-10, 07:43 PM
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verals05
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Originally Posted by LEXUSF
u have a class d amp and no need for a cap.
Yep.. its a Class D Mono Amp.



Originally Posted by Joe Z
Lexus IS-F Alternator = 12V 180A

Lexus Part number = 27060-38060

Also, used in the GS460.....




Joe Z
Awesome... I just didn't want to run into the lights dimming or anything of that sort... =)
Old 04-10-10, 07:43 PM
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luciush
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I'm pushing about 2000 watts from my sound system for a good 4 months now. So far it's still running normal! Lol
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