Aleromod.com Aleromod.com

Go Back   Aleromod.com > General Help > Audio, Video & Security

Reply
 
Thread Tools Search this Thread Display Modes
Old 12-31-2013, 07:47 PM   #1
03Alerosil
GL Member
 
03Alerosil's Avatar
 
Join Date: Dec 2013
Location: Minnesota
Posts: 593
03Alerosil is on a distinguished road
Alternator question

I own a 2003 Alero with the 3.4. My question is simply this. I have an aftermarket stereo system installed. It runs my amp and everything fine right now. I am upgrading to 2 - 12" MTX subs and a JVC 800w amp that runs 400w RMSx1x2ohms. Is the factory alternator enough to run that many watts or should I look at the big 3 upgrade and or a bigger alt? I run my system at a "normal" volume and listen to rock/metal music so there really isn't any deep bass notes.
03Alerosil is offline   Reply With Quote
Old 12-31-2013, 08:52 PM   #2
sleepyalero
GLS member
 
sleepyalero's Avatar
 
Join Date: Aug 2010
Location: indy
Posts: 8,411
sleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond reputesleepyalero has a reputation beyond repute
Your interior lights might dim with it. I used to have a system myself. Altenator Should be fine I just ran a 5 feret capacitor with mine. Did the trick.
__________________
[SIGPIC]
[SIGPIC]
S. . .L. . . E . . .E. . .P. . .Y. . .IS A TRAITOR--HE GOT BORED SO HE SOLD ME AFTER HAVING AN AFFAIR WITH A RICE ROCKET
Oldsnut is my Hero!
Meet Destiny, shes a 2001 Oldsmobile Alero GLS, F40 6MT swap. (#2 of 3)
2/24/14 - 200,000 miles body/motor. 22,300 on F40.
Quote:
Originally Posted by Oldsnut View Post
He would Plasti Dip his pecker if he could.
Quote:
Originally Posted by tipnitty View Post
A girl touched my Pee Pee. So you can say things are getting pretty serious for me.
sleepyalero is offline   Reply With Quote
Old 12-31-2013, 09:11 PM   #3
S8track16
GL Member
 
S8track16's Avatar
 
Join Date: Dec 2012
Location: Ottawa Ontario
Posts: 581
S8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond repute
Standard vehicles can usually handle around 600w rms without any modifications needed. Will you be running 400rms per sub? You could add a second audio battery such as kinetik which would solve all your problems.
__________________
2002 Alero GL 2.2L Eco-tec w/ 87,800km

New System in Progress...Mids/Tweets: 2 Skar SPX component sets powered by a Skar 85.4. Subs: Hybrid 15" DD/AA, Amp: Skar SK3500, 2 runs (power and ground) of Knu OFC 0 gauge, XS d3400 up front, 2 Deka g31s in the trunk...more to come
S8track16 is offline   Reply With Quote
Old 12-31-2013, 09:12 PM   #4
S8track16
GL Member
 
S8track16's Avatar
 
Join Date: Dec 2012
Location: Ottawa Ontario
Posts: 581
S8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond repute
Or get a better main battery, yellow top or something.
__________________
2002 Alero GL 2.2L Eco-tec w/ 87,800km

New System in Progress...Mids/Tweets: 2 Skar SPX component sets powered by a Skar 85.4. Subs: Hybrid 15" DD/AA, Amp: Skar SK3500, 2 runs (power and ground) of Knu OFC 0 gauge, XS d3400 up front, 2 Deka g31s in the trunk...more to come
S8track16 is offline   Reply With Quote
Old 12-31-2013, 10:20 PM   #5
03Alerosil
GL Member
 
03Alerosil's Avatar
 
Join Date: Dec 2013
Location: Minnesota
Posts: 593
03Alerosil is on a distinguished road
My subs are wired from 4 ohms down to 2 ohms. One input into the box so they would share the 400 watts which is perfect because the subs have a max rms of 200 watts each. My amp is a single output mono amp. Class D. So the 2 ohm out from the sub would wire direct to the box. So long story short all my amp would draw rms wise is 400 watts.
03Alerosil is offline   Reply With Quote
Old 12-31-2013, 10:28 PM   #6
tw0123
OSV coming soon!!!!!
 
tw0123's Avatar
 
Join Date: Jun 2006
Location: lindsay, ontario
Posts: 2,367
tw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond reputetw0123 has a reputation beyond repute
as S8track mentioned above, first step would be to get a better battery... from there this will allow you to handle the power with ease... the big 3 upgrade wouldn't hurt, but really wont do much in my opinion, as you have not really upgraded anything substantial other than wiring. I upgraded my battery and ran 3 amps, 2 subs and all my interior speakers just fine... when I added my dvd player and 1 tv screen, my alternator went. I had it rebuilt to 200 amp, and have not had any issues since. I am in the process of getting a second battery (if I can meet up with s8track lol!!) to make my life a bit more simple in the long run...
__________________

Misty: 3400, S&S headers, TCE 65mm TB, CAI, 180* TStat, Milzy motor & tranny mount, 18" BOSS 328 & much more... going osv!!
Silver: 2.4L, 5 speed, GAGT seats, front & rear STB's, all red tails, led headlights, Magnaflow muffler, Milzy Motor mount, WAI, Cosmo short shifter; sold n missed
Tequila: 2.4L, GA interior swap, scrapped...
tw0123 is offline   Reply With Quote
Old 01-01-2014, 11:02 AM   #7
03Alerosil
GL Member
 
03Alerosil's Avatar
 
Join Date: Dec 2013
Location: Minnesota
Posts: 593
03Alerosil is on a distinguished road
S8track16. So you are saying my alt will run 400 watts easy? I doubt I will hit the 800 peak watt rating. I thought about building a factory alt into one with higher amp rating
03Alerosil is offline   Reply With Quote
Old 01-01-2014, 11:08 AM   #8
S8track16
GL Member
 
S8track16's Avatar
 
Join Date: Dec 2012
Location: Ottawa Ontario
Posts: 581
S8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond repute
Yup.
__________________
2002 Alero GL 2.2L Eco-tec w/ 87,800km

New System in Progress...Mids/Tweets: 2 Skar SPX component sets powered by a Skar 85.4. Subs: Hybrid 15" DD/AA, Amp: Skar SK3500, 2 runs (power and ground) of Knu OFC 0 gauge, XS d3400 up front, 2 Deka g31s in the trunk...more to come
S8track16 is offline   Reply With Quote
Old 01-01-2014, 11:11 AM   #9
S8track16
GL Member
 
S8track16's Avatar
 
Join Date: Dec 2012
Location: Ottawa Ontario
Posts: 581
S8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond repute
I nearly have 2500 watts while still using the 105A alternator. I do have a very good main battery although (xs d3400) and the Big 3 done. Right now I have a 250A singer alternator from a cobalt which I am going to try and use once I get a compatible part.
__________________
2002 Alero GL 2.2L Eco-tec w/ 87,800km

New System in Progress...Mids/Tweets: 2 Skar SPX component sets powered by a Skar 85.4. Subs: Hybrid 15" DD/AA, Amp: Skar SK3500, 2 runs (power and ground) of Knu OFC 0 gauge, XS d3400 up front, 2 Deka g31s in the trunk...more to come
S8track16 is offline   Reply With Quote
Old 01-01-2014, 12:42 PM   #10
03Alerosil
GL Member
 
03Alerosil's Avatar
 
Join Date: Dec 2013
Location: Minnesota
Posts: 593
03Alerosil is on a distinguished road
Thanks S8track16! I never knew the cobalt had such a big alt. I got a new battery in the car. It's not deep cycle though. I thought about getting a salvage yard alt and having the the local place beef it up to like 130 amps.
03Alerosil is offline   Reply With Quote
Old 01-01-2014, 01:07 PM   #11
S8track16
GL Member
 
S8track16's Avatar
 
Join Date: Dec 2012
Location: Ottawa Ontario
Posts: 581
S8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond repute
The cobalt amp isn't stock, it was made by Mike Singer.
__________________
2002 Alero GL 2.2L Eco-tec w/ 87,800km

New System in Progress...Mids/Tweets: 2 Skar SPX component sets powered by a Skar 85.4. Subs: Hybrid 15" DD/AA, Amp: Skar SK3500, 2 runs (power and ground) of Knu OFC 0 gauge, XS d3400 up front, 2 Deka g31s in the trunk...more to come
S8track16 is offline   Reply With Quote
Old 01-01-2014, 02:09 PM   #12
negolien
GL Member
 
Join Date: Apr 2008
Location: Sacramento,Calif
Posts: 730
negolien negolien negolien negolien negolien negolien negolien negolien negolien negolien negolien
Yeah I run 500rms at 2 ohms and 1000 peak thru two 12's + the stock Monsoon amp, Soundstream sst6.9's, stock front speaker's and Stock Head Unit and it runs ok I do see a little flicker at night if I go to 75%.
negolien is offline   Reply With Quote
Old 01-01-2014, 02:23 PM   #13
03Alerosil
GL Member
 
03Alerosil's Avatar
 
Join Date: Dec 2013
Location: Minnesota
Posts: 593
03Alerosil is on a distinguished road
Quote:
Originally Posted by negolien View Post
Yeah I run 500rms at 2 ohms and 1000 peak thru two 12's + the stock Monsoon amp, Soundstream sst6.9's, stock front speaker's and Stock Head Unit and it runs ok I do see a little flicker at night if I go to 75%.

Thanks. I don't have the stock head unit or the monsoon amp so I should be just fine. Less watts rms too. Thanks for the reply
03Alerosil is offline   Reply With Quote
Old 01-03-2014, 09:51 AM   #14
RalphP
GX Member
 
Join Date: Aug 2012
Location: Bossier City, LA
Posts: 179
RalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond reputeRalphP has a reputation beyond repute
My suggestion as an Electronics Tech would be a) Big 3 (which is NEVER a bad thing, even on a purely stock car!), b) an alternator designed to put more out at the low end, especially if you're looking to use an Optima battery, and c) a beefier battery. In that order.

RwP
RalphP is offline   Reply With Quote
Old 01-03-2014, 04:01 PM   #15
Nas Escobar
GLS member
 
Nas Escobar's Avatar
 
Join Date: Aug 2012
Location: Washington, DC
Posts: 1,460
Nas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond reputeNas Escobar has a reputation beyond repute
As I've said in the other thread, I used to run a 900 watt amp on my old Pontiac Grand Am with the Ecotec engine. 105 amps just like the 3400. Boston Acoustics GT2200, bridged 2ohm it will give you that insane amount of wattage. Yeah the lights flickered, yeah the volts dropped as low as 12.6 but I never fried that alternator. I actually broke it taking off the big 3 on it since I had sold it.

My point is simple... get a good battery, do the big 3, or at the very least re-do the ground the battery and the alternator ground and thump away. 400 watts rms is nothing to a 105. The general rule is upgrade the alternator if you're pushing out 1000-1200 or more watts rms with your system. That's pretty much it. For you to push out that much RMS, you would be at least $600 in to your sound.
__________________
2̶0̶0̶3̶ ̶P̶o̶n̶t̶i̶a̶c̶ ̶G̶r̶a̶n̶d̶ ̶A̶m̶
1994 Olds Cutlass Supreme
2̶0̶0̶2̶ ̶C̶h̶e̶v̶r̶o̶l̶e̶t̶ ̶C̶a̶m̶a̶r̶o̶
1996 Infiniti G20
1993 Chevrolet Lumina Z34
1989 Buick Regal Limited
Nas Escobar is offline   Reply With Quote
Old 01-03-2014, 04:05 PM   #16
S8track16
GL Member
 
S8track16's Avatar
 
Join Date: Dec 2012
Location: Ottawa Ontario
Posts: 581
S8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond reputeS8track16 has a reputation beyond repute
Just don't let it go below 12V.
__________________
2002 Alero GL 2.2L Eco-tec w/ 87,800km

New System in Progress...Mids/Tweets: 2 Skar SPX component sets powered by a Skar 85.4. Subs: Hybrid 15" DD/AA, Amp: Skar SK3500, 2 runs (power and ground) of Knu OFC 0 gauge, XS d3400 up front, 2 Deka g31s in the trunk...more to come
S8track16 is offline   Reply With Quote
Old 01-03-2014, 04:29 PM   #17
03Alerosil
GL Member
 
03Alerosil's Avatar
 
Join Date: Dec 2013
Location: Minnesota
Posts: 593
03Alerosil is on a distinguished road
Once I get it all in I will get out my volt meter and see what happens.
03Alerosil is offline   Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -4. The time now is 08:13 PM.


Powered by vBulletin Version 3.6.0
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.