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HO alternator?


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gregfocker77521 
Copper - Posts: 69
Copper spacespace
Joined: November 25, 2003
Location: United States
Posted: February 03, 2004 at 12:59 AM / IP Logged  

If i get a HO alternator for my car, will I still need to keep my capacitor?

I have read that getting the HO alteranator is the way to go. I was just wondering so I can sell my capacitor and put that money towars the HO alternator.

Julian59 
Member - Posts: 24
Member spacespace
Joined: January 31, 2004
Location: United States
Posted: February 03, 2004 at 2:43 AM / IP Logged  

High Output  Alteranator ?  This up grade is a must and the first thing any installer should do to a any system.  If that's not enough ad a 2nd battery for you system only, of course with an isolator. Rule of thumb 20% of the Alterantor (ie. if the alteranntor rated output is 100 amps, Isolator should be no less then 120 rated amps).A stiffining capacitor should be the last thing you ad. (Read some of my other replys on this subject). Keep the caps just incase you might need then, They do have there purpose.  I hope this helps.   Thx  Julian59 

Be Smart Never Assume
Improvise Adapt and Over Come
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Installer/Technician 20 years
Alpine Guy 
Platinum - Posts: 2,478
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: October 18, 2003
Location: Canada
Posted: February 03, 2004 at 11:10 AM / IP Logged  

An alt is definately worth it, it will keep your bass from fadeing away when your voltage drops.  You may not notice it now, but when you have a bass track, your sub will slam hard then fade away as your amp draws to much current.   When you get a new Alt, your bass will actually seem tighter, and have more of an "attack" becasue your alt  will be able to keep up with your current draw.

I have a new alt on order right now, check out www.mechman.com , they build heuge alternators at half the price of there competitors.   They start at 145 amp HOT rated, thats about 175 amps if it was cold rated,  ( all other alt companys rate there alts on there cold output)

cavyman 
Copper - Posts: 88
Copper spacespace
Joined: May 09, 2003
Posted: February 03, 2004 at 12:44 PM / IP Logged  
The alternator is a must if you are gonna have a high power system.  The cap will be nice to keep to help out with some of the lost power you will get while power is pushed thru from your battery to your amp.
1 plus 1 equals 2
geepherder 
Platinum - Posts: 3,668
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: February 03, 2004 at 10:19 PM / IP Logged  
One thing to keep in mind when upgrading alternators is they produce their power at highway speeds.  If you look at the charts on the websites, the highest amperage alternators have the lowest output at idle.  Good to know if you drive in a lot of stop-and-go traffic.  There are alts out there that produce 0 at idle, however these are usually only meant for competition.
My ex once told me I have a perfect face for radio.
wesley982002 
Member - Posts: 3
Member spacespace
Joined: February 16, 2004
Location: United States
Posted: February 16, 2004 at 1:25 AM / IP Logged  
http://www.4alterstart.com/highoutputalternators/  this place has some H.O alternators at some cheap prices, I ordered a 180 amp for my cavalier for 200 shipped, thats at 1800 rpm, produces 80 at 800 rpm, don't know if thats hot or cold though

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