RedFred Posted February 21, 2017 Report Share Posted February 21, 2017 I've currently got a 270a alt, G78 AGM in the front, G31 in the back, with 2 runs of 2/0 welding wire about 13' long each. I just picked up a 2nd 270a alt and am wondering if I would need to do more power runs. My research in wire capacity is yielding contradicting results. Some say 2/0 OFC will handle only 150a, others say it'll handle 300a (@ 15'). I'm leaning towards doing another run, or possibly 2 more. My amps will be two SQ2200s strapped @ 1 ohm (0.5 ohm per amp) What do you guys suggest? Link to comment Share on other sites More sharing options...
Smoove Posted February 21, 2017 Report Share Posted February 21, 2017 first of all you need 2 more group 31 and do 3 runs just because overkill is cool 2 Team Fi 15's v1 2 DD M5's 970amps of Alt 6th order blowthroughThe truck Blowthrough build : http://www.stevemeadedesigns.com/board/topic/155555-smooves-1996-chevy-ext-cab-c1500-slow-build/The 350z build : http://www.stevemeadedesigns.com/board/topic/170694-smooves-2003-nissan-350z/ My FB page https://www.facebook.com/pages/Smooves-Car-Audio-and-performance/719746144805343 Team Fi Audio http://www.ficaraudio.com/ Link to comment Share on other sites More sharing options...
RedFred Posted February 22, 2017 Author Report Share Posted February 22, 2017 On 2/21/2017 at 0:00 AM, Smoove said: first of all you need 2 more group 31 and do 3 runs just because overkill is cool Zero more batteries will fit without removing seats, so it'll just be alt power. I'm thinking I might just go for the 4 runs. It's only like $60 more for 2 runs... Link to comment Share on other sites More sharing options...
Wasteland_Audio Posted February 22, 2017 Report Share Posted February 22, 2017 Honestly you're probably good with just 2 runs. I'm running double that power on a 370 mechman with 2 runs of sky high 1/0 with no problems. Link to comment Share on other sites More sharing options...
ShadeTreeMechanic Posted February 22, 2017 Report Share Posted February 22, 2017 What he said. Maybe try it and let us know if it makes a difference. 91 C350 Centurion conversion ( Four Door One Ton Bronco) 250A Alternator (Second Alternator Coming Soon) G65 AGM Up Front / Two G31 AGM in Back Pioneer 80PRS CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon) Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon) Link to comment Share on other sites More sharing options...
RedFred Posted February 23, 2017 Author Report Share Posted February 23, 2017 Thanks fellas. I'll probably stick to just the 2 runs right now and see how it is, then do more if I need it. Just wanted to make sure I wasn't making an oversight by buying the alternator and dual alternator bracket and never even considering that my wire might not be capable. Link to comment Share on other sites More sharing options...
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