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Old 02-29-2020   #1
executioner
 
Join Date: Aug 2018
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Default Highest amp alternator options.

My car will be having major electronic component upgrades that will require more power. Like radar lane assist warning system, built in police radar/laser detection, Heads Up Display, plus a nice sound system, and a 360 birds eye camera setup. That's just to name a few actually. In other words, I need as many amps as I can get.

Once I buy the alternator I'm going to start a Youtube channel that follows all of my upgrades as I install them but this is where I need to start. Even though I've already purchased many of the aftermarket components.

So, my question is....Whats the highest amp alternator that's available for an LT5? Highest I was able to find on my own was 320 amp. Any help would be greatly appreciated. Cost is not an issue but I'm guessing it will be in the $600 range.

I'll make a post on here directing everyone to my channel once I start it for those who are interested in following me. The car is a 93 40th Anniversary black on black.

THANKS EVERYONE!
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Old 02-29-2020   #2
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Default Re: Highest amp alternator options.

While I have no personal experience on this issue there have been people that have gone down that road. Here is one example.
H
http://www.zr1.net/forum/showthread....ght=Alternator
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Old 02-29-2020   #3
executioner
 
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Default Re: Highest amp alternator options.

Thanks, I did read through that, but was hoping someone else with experience would chime in about whats available out there.
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Old 02-29-2020   #4
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Default Re: Highest amp alternator options.

Zr1 specialist or Jerry's gaskets I would think could help you
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Old 02-29-2020   #5
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Default Re: Highest amp alternator options.

ZR1 Specialist is Marc Haibeck. He is very good about responding to emails and answering the phone. As far as overall knowledge, very few as good and maybe no one better...

http://www.zr1specialist.com/
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Old 02-29-2020   #6
secondchance
 
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Default Re: Highest amp alternator options.

I’m no expert on the subject but during my research, I learned that Powermaster offered 200 amp conventional amatory style alternator. Other option was what are referred to as “hair pin” winding stator design.
Hair pin style alternators seems to be Denso units adopted to CNCed housing cut to fit mounting meant for GM CS144 alternators.
Quality Power Alternator offers up to 320 amp and DC Powerunit max is 270 amp.
Also, alternator performance is most critical at idle. All being equal, hair pin types are capable of higher output at low rpm compared to conventional winding type by design. I believe, in the world of alternator, idle definition is not 800 but more like 1,300 or so.
Lastly, if you are planning on adding subwoofers and high output amp/amps, I recommend splicing in amplifier capacitor. With sudden load demand from bass amp, I don’t think, could be met even with 320 amp rated alternator and most likely make lighting dim momentarily. No major concern but just irritating.
I went with Quality Power unit primarily because QP offers conversion connector whereas DC Power does not.

Last edited by secondchance; 02-29-2020 at 06:34 PM.
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Old 02-29-2020   #7
-=Jeff=-
 
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Default Re: Highest amp alternator options.

I am curious what systems you are using and where they will be installed.. please post pictures
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Old 02-29-2020   #8
executioner
 
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Default Re: Highest amp alternator options.

Quote:
Originally Posted by secondchance View Post
I’m no expert on the subject but during my research, I learned that Powermaster offered 200 amp conventional amatory style alternator. Other option was what are referred to as “hair pin” winding stator design.
Hair pin style alternators seems to be Denso units adopted to CNCed housing cut to fit mounting meant for GM CS144 alternators.
Quality Power Alternator offers up to 320 amp and DC Powerunit max is 270 amp.
Also, alternator performance is most critical at idle. All being equal, hair pin types are capable of higher output at low rpm compared to conventional winding type by design. I believe, in the world of alternator, idle definition is not 800 but more like 1,300 or so.
Lastly, if you are planning on adding subwoofers and high output amp/amps, I recommend splicing in amplifier capacitor. With sudden load demand from bass amp, I don’t think, could be met even with 320 amp rated alternator and most likely make lighting dim momentarily. No major concern but just irritating.
I went with Quality Power unit primarily because QP offers conversion connector whereas DC Power does not.
I did plan to use a capacitor for the stereo system. The Power Alternator was the 320 I was looking at. If I cant find anything larger that's what I'll end up with.
I plan to run a dual battery setup as well with the second AUX battery being a lithium Ion because those can be discharged all the way and then recharged without an issue. I can also install it inside the passenger cargo storage and add more weight to the center of the car, which most of my mods will do anyway. The stereo amps will be mounted behind the passenger seat as well.
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Old 02-29-2020   #9
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Default Re: Highest amp alternator options.

Quote:
Originally Posted by -=Jeff=- View Post
I am curious what systems you are using and where they will be installed.. please post pictures
Which upgrade are you referring to specifically? I have a long list of mods, but lets just say that I have a few tricks up my sleeve, and when everything is said and done, this is going to be the James Bond of ZR-1's ;-) You can follow all of my upgrades on Youtube when I share what I did.
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Old 02-29-2020   #10
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Default Re: Highest amp alternator options.

This is her.
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