TylerParrish Posted October 1, 2012 Report Share Posted October 1, 2012 glad you went with excessive, that's where I'll be gettin mine from too, a 300 amp alt for $490 shipped, the 270 from Mechman was the same price for my car. What the f**k is an appropriate signature supposed to look like?2013 Kia Forte Koup Pioneer AVH-X4600BT iDMax 12 DD M1c @ 2 ohms Rockford Prime 200.2 Pioneer 6.75" Comp Set XS S3400, D2700 Project DB Battery Terminals Axxess ASWC Stinger HPM Everywhereeee 90 Sq. Ft. of Stinger Roadkill Stock Alt Stuff To Come Sundown X-12 New Amp New Comps 4 Channel Amp My Current Build: http://www.stevemeadedesigns.com/board/topic/167462-13-kia-forte-koup-dd-setup/ My Old Build: http://www.stevemead..._+2000 +mustang Avatar Courtesy of SnowDrifter Link to comment Share on other sites More sharing options...
AMERICAN BASSHEAD Posted October 1, 2012 Report Share Posted October 1, 2012 i have a 220 amp Excessive Amperage alt for that motor, PM me if interested Link to comment Share on other sites More sharing options...
fox_racin4 Posted October 2, 2012 Report Share Posted October 2, 2012 I'm not sure how you would load test a 300+ amp alt let alone a 400+ amp alt. Do you realize what kind of heat the load tester would have to dissipate to test that? try this, find a 5000 watt light bulb and see how close you can get to it, that alt is putting out 14.4v at 400+ amps, that is over 5000 watts of heat dude. edit typo so tell me... how can he then rate it at 425a then. if he couldnt clamps that from the alt? 1998 gmc extd cab 12 crossfire C710s 4 SAZ-4500s 3 Singer 400A altsbuncha mids/highs Team Asshole Link to comment Share on other sites More sharing options...
P4killer_ Posted October 2, 2012 Author Report Share Posted October 2, 2012 yea i have big 3 done already.. I forgot to talk about casing... i got a 200a alt. he said it does more but he just rates them at 200.. but i hope he doesnt use the Cs130 casing ive heard from numerous people that it sucks balls, i left him a VM like 30 min later saying id prefer the ad244 casing if for nothing else than it will fit more vehicles if i were to sell later.. Setup: 2010 Hyundai Elantra Factory Unit via 4 chan NVX LOC Excessive Amperage "H/O" Alt Xs D3400/ Xs XP3000 Big 3. 2 Runs of +, 2 Runs of - DD M3b and 2 12" AQ HDC4s Link to comment Share on other sites More sharing options...
P4killer_ Posted October 14, 2012 Author Report Share Posted October 14, 2012 So I got my alt in the other day. Its a direct replacement, as the way it fits, not much else will fit w/o some modding or w.e which im not willing to do. Its a 200a unit which Nate at EA said tested out at 250a. He originally told me that itll do more than 200a but he just rates em at 200a to be safe.. Anyway his CS was pretty good, and it got to me fairly quickly. its going in tomarrow. I put up a small vid of my current voltage situation. http://www.facebook....27012795&type=2 embedding > me i tried and searched and nothing.. but as you can see the voltage goes >16 several times.. only happens when its cold. after it warms up I get a constant 15.0+ but not 16.. amp is in protect so i know the 16.0 is pretty right as far as the meter goes.. pix: Setup: 2010 Hyundai Elantra Factory Unit via 4 chan NVX LOC Excessive Amperage "H/O" Alt Xs D3400/ Xs XP3000 Big 3. 2 Runs of +, 2 Runs of - DD M3b and 2 12" AQ HDC4s Link to comment Share on other sites More sharing options...
P4killer_ Posted October 15, 2012 Author Report Share Posted October 15, 2012 Installed my alt today.. So I have some concerns or maybe Im just not understanding this right. First the positives: It took me about an hour or less to take the old unit out and swap in the new EA one. Bolted right up. Old Alt out New Alt In D3400 Resting Voltage before install xp3000 resting voltage before install now hear me out--- Big 3 is already done in 1/0 bat to strut tower alt mount to strut tower (engine ground) alt to bat The amp is rated 2k or so should pull around 200a Now imo idk maybe ive got this wrong , but the amp most likely isnt pulling 200a for one the alt is suppossed to put out 200 but he benched it at 250.. with two big ole batts I shouldnt be seeing drop into the 11s.. like wtf is going on. It only does a shade better than my old stock alt. Theres a point in the video where voltage is up some around 12.5-13v but i had the revs at like 2500 rpm.. like oops I guess i was hoping for almost no drop especially if the alt is doing more than 200 like 250 as he mentioned Ill call him tomarrow, but im just making sure im not going crazy here.. I mean my voltage is steady at 14.5 while driving with normal leves of music like listening to talk radio etc and it doesnt bounce around or spike in the 16s and cause my amp to protect anymore. My lights used to pulse up and down and the revs would go up and down too.. a tiny bit and it doesnt do that anymore either. So its a solid alt, but i could have gotten all that from a brand stock alt.. the reason i spend the extra $$$$ is for the H/O part of that.. which it doesnt look like i have.. anyway heres the video i made its kinda grainy at parts, as i took it on my phone.. sorry about that Any help etc is appreciated, thanks Setup: 2010 Hyundai Elantra Factory Unit via 4 chan NVX LOC Excessive Amperage "H/O" Alt Xs D3400/ Xs XP3000 Big 3. 2 Runs of +, 2 Runs of - DD M3b and 2 12" AQ HDC4s Link to comment Share on other sites More sharing options...
ALAMO695 Posted October 15, 2012 Report Share Posted October 15, 2012 well your car does need 80ish amps to operate, and once the alt is hot it wont do the 200 more like 170ish. Therefore you basically only have 90amps left for the system and the battery reserve. Running that crescendo at half ohm is going to become less efficient, so instead of using 200amps of current it'll use more. but anyways check all your connections make sure they are tight and secure and clamp the alt. edit: also check for belt slip Link to comment Share on other sites More sharing options...
zack_e89 Posted October 15, 2012 Report Share Posted October 15, 2012 well your car does need 80ish amps to operate, and once the alt is hot it wont do the 200 more like 170ish. Therefore you basically only have 90amps left for the system and the battery reserve. Running that crescendo at half ohm is going to become less efficient, so instead of using 200amps of current it'll use more. but anyways check all your connections make sure they are tight and secure and clamp the alt. edit: also check for belt slip Good info here..... Only thing I wanted to add is after all that you might want to consider another batt after seeing you're running at .5 97 Suburban 8 custom PSI Platform 3 18's Link to comment Share on other sites More sharing options...
P4killer_ Posted October 15, 2012 Author Report Share Posted October 15, 2012 I understand that. But if you assume numbers are correct.. about the car using 80a then what do you think happens on the stock 105a alt.. that's hillarious if you think im bass racing etc on less than 20a of alt.. no way. Setup: 2010 Hyundai Elantra Factory Unit via 4 chan NVX LOC Excessive Amperage "H/O" Alt Xs D3400/ Xs XP3000 Big 3. 2 Runs of +, 2 Runs of - DD M3b and 2 12" AQ HDC4s Link to comment Share on other sites More sharing options...
P4killer_ Posted October 15, 2012 Author Report Share Posted October 15, 2012 I'm going up to AutoZone to test it. Ive read a few places that this isnt ideal but well see anyway.. Setup: 2010 Hyundai Elantra Factory Unit via 4 chan NVX LOC Excessive Amperage "H/O" Alt Xs D3400/ Xs XP3000 Big 3. 2 Runs of +, 2 Runs of - DD M3b and 2 12" AQ HDC4s Link to comment Share on other sites More sharing options...
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