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How to determine how many amps of an alternator I will need?


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He runs mechman now.

2010 F150 FX4
-18" AA Mayhem
-Crescendo BC3500d
-Pioneer GM-D9500F 4-channel
-2 Crescendo FT1

-2 Crescendo Neo Forte 6.5

-Pioneer AVH-P3300BT
-6000K HID Headlights/Fog lights
-All LED interior lighting
-20% tint on front windows, 1% rear windows, 5% windshield strip
-Big3 (XSFlex 0ga)

-DC Power 270XP

-Group 65 NorthStar AGM battery

Coming soon/plans:

-Build log
-Blacked out mirror reflectors
-Tinted tails/3rd brake light

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Steve has four Mechman 350a.

Just in case you're wondering, you should probably be looking at getting a Mechman alternator too.

edit: Get a Mechman 370a six phase.

Avalanche

Alpine Type S comps

Alpine Type S 10''

Alpine MPR-F300

Alpine MRX-M50

Mechamn 270

XS Power d3400s



 

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I was just reading something in the ce auto section that said for music, 175 amps will equal 3000 watts. Give me a minute and I will find the link

http://www.stevemeadedesigns.com/board/topic/147995-ground-to-the-chassis-or-run-a-ground-cable-ce-auto-electric-supply-partners-with-damore-engineering-to-answer-video-on-pg-5/page-5

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for alts I like singer,dc , and mechman. and then I would look at excessive amperage

750??! Yeah, fuck that. Fuck this website, fuck SMD, fuck Steve, fuck all of his butt buddy mods, and their couches.

^ DON'T BE A DICK LIKE THIS GUY :)

Team Subsonic Lows

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Basic way to calculate is every 1000 watts needs 100 amps of dedicated power...not shared. Most cars use 100 amps or less..Most

that would mean that steve needs 3000 amps for that tahoe...?

amp hours (battery bank) plays here yo.....

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Looking to get a high output alternator for my 98 blazer but am wondering how to determine what size of one I should get. Can someone help me out with this?

Make sure you call the company you order from. I was going to go as big as possible and get the Mechman 270A alternator, but I called them and they told me that 270A is too much as my truck (2000 F150 V8) has issues with there being limited belt contact on the alternator pulley. They said the 270A would slip like crazy.

Talked to them again and they said their last couple batches have been doing doing more then rated, 240A is doing 260A hot and the 270A is doing 300-320 hot. Hot being 200 degrees.

After all is said and done the 240A suits me best (2400w rms) and my vehicle will be happy. Mechman has good service they saved me $100 and future potential problems. There's a lot of companies out there who won't tell you things to make the extra money.

Glad I phoned.

Syphlyns 2000 F150 4.6L V8

H/U: Kendwood KDC-X898

Speakers: 4 x Alpine SPR-68 Speakers

4 Channel Amp: Alpine PDX-F4

Sub: Sundown Zv4 12

Sub Amp: Sundown SAZ-2000D

Box: 2.75 Cu Ft @ 31Hz

Alternator: Mechman 250A elite series

Wiring: All KnuKoncepz 0 gauge OFC + KnuKonceptz Krystal RCAs

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