707spl Posted September 11, 2009 Report Share Posted September 11, 2009 I'm going to be running an FI BTL off 3000 watts rms in a 1999 pontiac grand prix. What size alternator would be best? and should i replace my stock battery? if so, any recommendations? i was thinking of a kinetik 1400? also, i don't plan to play music when car is off, only when it is running thanks. Link to comment Share on other sites More sharing options...
LoudBlazer Posted September 11, 2009 Report Share Posted September 11, 2009 get the biggest alt and biggest battery or batteries! 1997 2 Door Blazer Bagged & Body Dropped SBC/TH350 Link to comment Share on other sites More sharing options...
marine87 Posted September 11, 2009 Report Share Posted September 11, 2009 DC power would get ya the best HO alt, and Knu Konceptz will give you a good price on the wires need for the big 3. Corporal, USMC Link to comment Share on other sites More sharing options...
immortal_82 Posted September 11, 2009 Report Share Posted September 11, 2009 http://www.stevemeadedesigns.com/board/ind...showtopic=55041 You can refer this video for your calculate the alternator and your battery it depand your amplifier watts Link to comment Share on other sites More sharing options...
707spl Posted September 12, 2009 Author Report Share Posted September 12, 2009 bump Link to comment Share on other sites More sharing options...
Owners1 Posted September 12, 2009 Report Share Posted September 12, 2009 You could probably manage it with a 150 amp alternator and a big battery. That's the budget route at least.. It will still work but maybe not for long periods of time or at red lights lol Hummer H2 ( Crossfire XS V2 15's (4) Crescendo Audio BC 5500s (16) Crescendo 6.5's, (16) Crescendo Tweeters, (4) Beyma 8" Midrange http://www.youtube.com/Owners1 Link to comment Share on other sites More sharing options...
EricR Posted September 12, 2009 Report Share Posted September 12, 2009 1/0 from front to back in + and - Big 3 in 1/0 2 Big batteries or upgraded alt and 1 big battery i was thinking leave the 12 sitting in the box in the hole and duck tape from the bottom of the sub to the bottom of the baffle so the sub doesnt free air. would that work? Link to comment Share on other sites More sharing options...
Sanitarium Posted September 12, 2009 Report Share Posted September 12, 2009 You could probably manage it with a 150 amp alternator and a big battery. That's the budget route at least.. It will still work but maybe not for long periods of time or at red lights loli wouldn't go with anything less t hen a dc 230 on 3k+wrms. He should be seeing 180 - 210 amps being pulled by the amp(s) alone, then factor in the rest of the vehicle. Link to comment Share on other sites More sharing options...
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