bassahaulic Posted April 16, 2010 Report Share Posted April 16, 2010 If I remember correctly, the largest AC Delco alt for passenger automobiles is 135amp. And that's for an F-350. I could be wrong though. More then likely he lied to you to get you to pay more. I have a 240 amp davilco alt on my bagged truck, and with both compressors going, SAZ-2000 at .5, SAX-100.4, and the HID's on I barely dropped to 13.3. Quote Link to comment Share on other sites More sharing options...
cris2216 Posted April 16, 2010 Author Report Share Posted April 16, 2010 your voltage drop, is it at idle? or with you revving the engine? and to be honest, he probably told you it was a 250 amp alt just to sell it, but its probably a 130 amp alt or something lower, I dont see a reason you are having that much voltage drop other than your alt, unless your batts are bad yea its in idle and probably need to change the alt Quote Link to comment Share on other sites More sharing options...
cris2216 Posted April 16, 2010 Author Report Share Posted April 16, 2010 x2. I hate yellowtops, but everyone is right. There is no way that alternator is doing 250s or close if you're dropping that low, if your batteries aren't shit already. my batteries are about 2 months old i dont think its the batteries he sold me the alt for 325 dollars Quote Link to comment Share on other sites More sharing options...
slim2fattycake Posted April 16, 2010 Report Share Posted April 16, 2010 Rev it to 2k and see if you get the same voltage drop. Maybe it might do rated but not at YOUR vehicle idle. Quote SPL-Lab REPCar: 1996 Honda Accord F22B1 CoupeSuspension: Megan Racing Full Street Coilover Dampener KitAlternator: DC Power XP 270Batteries: XS Power D5100 & D3100Wiring: KnuKonceptz & 2/0 Welding cableHeadunit: Kenwood KDC-MP642UComponents: Hybrid Audio ClarusAmplifers: Lanzar OPTI250X4Subwoofer: 2 Sundown Audio E8.v2Deadener: Sound Deadener ShowdownSPL Meter: SPL-Lab RTA Pro meterWant an SPL meter for a lot less than the cost of a Termlab, but just as accurate and has the same features? PM me.CA ref: (enellz, 92c1v1c, el_chupo_, Thixx, Kraudio12, SethPhillips, NJack2AF, JamesKarr, ExpoSport, 01 S 10, wgsj_fortvalley, fast306stang, Lakota, blackga, TheLow, adrian1185, the727kid, rudy, sundownz, lmllopez, traksta15, gentlejax, satchel50207, Bigthangs, Goindef154)CACO ref: (extremechevyman67, ghostmechanic, FatBoy2, TheMan007, bdufner, 350zkid, ironb, bmansbach)SSA ref as phi: ( shizzzon, porkchop, onebadmonte, stevemead, TRP, ///M5, denim)SMD ref: (DC Power Rob, Nathan@XSPOWER, Jman08)And then some. Link to comment Share on other sites More sharing options...
cris2216 Posted April 16, 2010 Author Report Share Posted April 16, 2010 (edited) Rev it to 2k and see if you get the same voltage drop. Maybe it might do rated but not at YOUR vehicle idle. when i rev it it drops too 13.6-13.9 at full tilt Edited April 16, 2010 by cris2216 Quote Link to comment Share on other sites More sharing options...
Team_DC-Derrick Posted April 16, 2010 Report Share Posted April 16, 2010 then i really wouldnt worry to much about it, thats not alot of voltage drop.. most alts wont do alot @ idle.. you gotta pay to have the beefy alts that do that... Quote The DC Integra 3 18s to 6 15 build log Team_DC-Derrick's Youtube Team DC Audio where theres a will theres a wall....... I just realized Steve has reach Voldemort status, over on JP's site he is the one who will not be named....."We dont speak his name over here, fearing it will destroy us" LOL not even in hush tones Link to comment Share on other sites More sharing options...
cris2216 Posted April 16, 2010 Author Report Share Posted April 16, 2010 then i really wouldnt worry to much about it, thats not alot of voltage drop.. most alts wont do alot @ idle.. you gotta pay to have the beefy alts that do that... you think i can trade this for an irragi or would i have to pay full price for an 300 amp alt Quote Link to comment Share on other sites More sharing options...
notorious97200 Posted April 16, 2010 Report Share Posted April 16, 2010 Don't know if you batteries are well charged. If your alt is not so powerful, try to use only one battery. 2 batts are probably too much for your car ? I am not an electrical expert at all. But if your alternator is weak, a second batt will never help you. Quote black BMW X1 2.0 l 192 hp OEM head unit, Amplifiers : Audison AP 8.9 amp with integrated DSP and Ampere Audio 1200. Focal ES 100 K in front doors, and Dayton RS 180 for midbass under the front seats. 2 SSA DEMONS 10" subs, in a 2.6 ft3 ported box. SecondSkin Damplifier on front doors, and Luxury Liner Pro for the cargo area. Link to comment Share on other sites More sharing options...
cqtama Posted April 16, 2010 Report Share Posted April 16, 2010 If I remember correctly, the largest AC Delco alt for passenger automobiles is 135amp. And that's for an F-350. I could be wrong though. acdelco makes a 200 amp for the larger vehilcle, hummer with 6.0 engine tow trucks ambulances and what not. thats the one i have on my blazer. they share the same bolt patern and plug as the cs130. disconet your batteries and test them to see your resting voltage. you could have a bad battery Quote R.I.P '01 blazer you treated my ears well until your transmission blew up. New Project [top secret] 149.0 db on music driver window open; so close I feel some boners are fueled by viagra and not true intimacy!......if you know what i mean.... I swear... sometimes I wish I was retarded so I could just agree with everyone x. Link to comment Share on other sites More sharing options...
slim2fattycake Posted April 16, 2010 Report Share Posted April 16, 2010 My alt does over 150s at idle. (700rpm) Quote SPL-Lab REPCar: 1996 Honda Accord F22B1 CoupeSuspension: Megan Racing Full Street Coilover Dampener KitAlternator: DC Power XP 270Batteries: XS Power D5100 & D3100Wiring: KnuKonceptz & 2/0 Welding cableHeadunit: Kenwood KDC-MP642UComponents: Hybrid Audio ClarusAmplifers: Lanzar OPTI250X4Subwoofer: 2 Sundown Audio E8.v2Deadener: Sound Deadener ShowdownSPL Meter: SPL-Lab RTA Pro meterWant an SPL meter for a lot less than the cost of a Termlab, but just as accurate and has the same features? PM me.CA ref: (enellz, 92c1v1c, el_chupo_, Thixx, Kraudio12, SethPhillips, NJack2AF, JamesKarr, ExpoSport, 01 S 10, wgsj_fortvalley, fast306stang, Lakota, blackga, TheLow, adrian1185, the727kid, rudy, sundownz, lmllopez, traksta15, gentlejax, satchel50207, Bigthangs, Goindef154)CACO ref: (extremechevyman67, ghostmechanic, FatBoy2, TheMan007, bdufner, 350zkid, ironb, bmansbach)SSA ref as phi: ( shizzzon, porkchop, onebadmonte, stevemead, TRP, ///M5, denim)SMD ref: (DC Power Rob, Nathan@XSPOWER, Jman08)And then some. Link to comment Share on other sites More sharing options...
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