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Buy HO alternator or big battery first?


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I'm on a stock 125a alternator now, but I'm going to buy a 250a soon.

The question is which will benefit me more in the short term, the 250a alternator or a big back battery like a D3100? Im going to buy one of those now and then the other around the end of the month.

(system will be running 2000-2400 rms during this time)

- Right now running 1200 watts on just the stock alt and the big3 my voltage starts at about 14.6 and then slowly declines to about 14.2 when I get to where Im going.

Build In Progress for Slamology 2013

3 m1xl 18s walled in a gti

1 5k

4 batts

audio technix 1/0

8 cheap r/f 6.5s

mb quart 4.60

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I went though this....i got 2 c&d 490 batts "bigger than 3100" way before i got an h/o alt. And i just charged my batts once a week on a charger......and i ran 3k rms fine

99 expedition

Two 15 inch dc audio xls

Ported box tunned to 34 hrtz

Soundstream pcx.2000d(better amp soon)

0 gauge

big three(soon)

Yellow top,(more batts soon)

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id say battery. if it is just to get you by. look into the XS group buy. idk how soon you want a bat but an excellent deal to get you by. an alternator is def the way to go long term though. dont forget about it!

Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/
MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136
MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/
My SPL Log: http://www.stevemead...__fromsearch__1

BMW M340 xDrive

Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4...
Best Scores out of a trunk
153.0 sealed legal full tilt clamped 5524 @ 42 hz
154+ windows down, 155+ kick

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id say battery. if it is just to get you by. look into the XS group buy. idk how soon you want a bat but an excellent deal to get you by. an alternator is def the way to go long term though. dont forget about it!

Yeah I know, but my gf thinks one of them cant wait because I dont need it all right now. LOL.

Build In Progress for Slamology 2013

3 m1xl 18s walled in a gti

1 5k

4 batts

audio technix 1/0

8 cheap r/f 6.5s

mb quart 4.60

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id say battery. if it is just to get you by. look into the XS group buy. idk how soon you want a bat but an excellent deal to get you by. an alternator is def the way to go long term though. dont forget about it!

Yeah I know, but my gf thinks one of them cant wait because I dont need it all right now. LOL.

none of us need 140+ dbs off bass. we do it cause we want it. haha. i remember when my ex gf said same thing. i told her to stop going to get her nails done, we settled on letting me have my loud bass and spending obscene amounts haha

Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/
MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136
MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/
My SPL Log: http://www.stevemead...__fromsearch__1

BMW M340 xDrive

Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4...
Best Scores out of a trunk
153.0 sealed legal full tilt clamped 5524 @ 42 hz
154+ windows down, 155+ kick

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Share on other sites

id say battery. if it is just to get you by. look into the XS group buy. idk how soon you want a bat but an excellent deal to get you by. an alternator is def the way to go long term though. dont forget about it!

Yeah I know, but my gf thinks one of them cant wait because I dont need it all right now. LOL.

none of us need 140+ dbs off bass. we do it cause we want it. haha. i remember when my ex gf said same thing. i told her to stop going to get her nails done, we settled on letting me have my loud bass and spending obscene amounts haha

Buyer/Seller Feedback Thread: http://www.stevemead...5015-bump4life/
MB C220 153 Trunk Car Build Log: http://www.stevemead...d/#entry1840136
MB C280 Ipad Dash SQ Build Log: http://www.stevemeadedesigns.com/board/topic/194484-bump4lifes-new-benz-tony-c-relay-kit-pictures-ce-electric-audison-front-stage-installed/
My SPL Log: http://www.stevemead...__fromsearch__1

BMW M340 xDrive

Stock, for now. Corner Load 10" maybe soon. But does 10s in the 1/4...
Best Scores out of a trunk
153.0 sealed legal full tilt clamped 5524 @ 42 hz
154+ windows down, 155+ kick

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