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high output alternator

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Old 09-22-2018, 03:44 PM
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sm0kinvette
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Default high output alternator

Do I run the risk or damaging my electronics if I run a 200 or 220amp high output alternator on my z06? I have aftermarket fans, fuel pumps with bap and a sound system.
Old 09-22-2018, 07:51 PM
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Unreal
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Contact Bret B, get a mechman. Should be no issue.
Old 09-23-2018, 04:04 PM
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schpenxel
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200/220amp is the max--doesn't mean it's cranking that out all the time.

Agree, contact Bret
Old 09-23-2018, 10:20 PM
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DEE_Vette
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I would Recommend 1gauge cable from Alt. to under hood Fuse Block...

Last edited by DEE_Vette; 09-23-2018 at 10:24 PM.
Old 09-24-2018, 09:51 AM
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CI GS
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Agree with all of the above. Talk to Bret aka “Blownbluez06” on here. You might not even need anything more than one of the 170amp Mechman alternators that he sells, along with the heavy gauge charge wire, which you can get from Bret as well. He’s a super guy to deal with and you won’t get a better deal anywhere that I could find. Just got back from vacation last night to find one of his beautiful black anodized 170amps sitting in my garage. Can’t wait to bolt that on.
Old 09-24-2018, 10:59 AM
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Mrbluedevil88
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Originally Posted by CI GS
Agree with all of the above. Talk to Bret aka “Blownbluez06” on here. You might not even need anything more than one of the 170amp Mechman alternators that he sells, along with the heavy gauge charge wire, which you can get from Bret as well. He’s a super guy to deal with and you won’t get a better deal anywhere that I could find. Just got back from vacation last night to find one of his beautiful black anodized 170amps sitting in my garage. Can’t wait to bolt that on.
Do you have any pictures of that heavy gauge charge wire?
Old 09-24-2018, 11:25 AM
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Unreal
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It is just a piece of cable. Nothing to look at.

Bret also sells the 200A+ versions. Just get ahold of him. He is the goto person for anything alternator/charging related on these cars.
Old 09-24-2018, 12:35 PM
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Patriot Six
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It's the thick black-wrapped cable running from the alternator towards the firewall.
Old 10-04-2018, 07:12 AM
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Smokeyjr
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I have a 240 amp mechman...with that said I run a larger cable from front to the rear...and from the alternator to the fuse box...no problems...Bret is the man!!
Remember larger cable...less resistance

Last edited by Smokeyjr; 10-04-2018 at 07:16 AM.
Old 10-04-2018, 09:42 AM
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algZO6
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I have had two Mechs crap out on me and have a couple of buddies that have had issues as well. I now run a Nations and have had zero issues.

Last edited by algZO6; 10-04-2018 at 09:42 AM.
Old 10-05-2018, 08:57 AM
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BLOWNBLUEZ06@RKT Performance
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Originally Posted by sm0kinvette
Do I run the risk or damaging my electronics if I run a 200 or 220amp high output alternator on my z06? I have aftermarket fans, fuel pumps with bap and a sound system.
Running a higher output alternator isn't the same as running a larger supercharger on a car because the alternator is a device that offers the current but doesn't force it. Current flow is a result of demand. If there's no demand, there is no current flow. If there is max current demand, there will be max current flow until the demand exceeds the ability at which point the voltage will begin to diminish.

Bret
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Old 10-05-2018, 10:03 PM
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silvrhand
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make sure when you do this that you bypass the starter solenoid in the charging loop.
Old 10-06-2018, 12:05 PM
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sm0kinvette
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thanks to everyone for your replies.

I am going to replace everything with 1/0 awg wire

Should I remove the stock alternator to starter charge wire? not sure if it branches off to other components.

I am going to run a charge wire from the alternator directly to the fuse box. Should I use one of the agm heavy duty fuses?
Old 10-06-2018, 12:28 PM
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CI GS
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Originally Posted by sm0kinvette
thanks to everyone for your replies.

I am going to replace everything with 1/0 awg wire

Should I remove the stock alternator to starter charge wire? not sure if it branches off to other components.

I am going to run a charge wire from the alternator directly to the fuse box. Should I use one of the agm heavy duty fuses?
No need to. I didn’t bother, just because I was too lazy to put the car on the lift and pull the starter out. I have the new 1/0 wag wire, the stock alt to starter wire, the ECS aux fuel pump wire and the Racetronix FP harness all stacked on the lug on the new alternator (photo below). I just need to get a better rubber boot to cover the ring terminals better. My car is now showing the same voltage ( 14.7) at the battery - the the rear cubby - as it does on the alternator lug with the car idling.



Last edited by CI GS; 10-06-2018 at 12:29 PM.
Old 10-06-2018, 06:22 PM
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Smokeyjr
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I didn't a fuse either sir

Last edited by Smokeyjr; 10-06-2018 at 06:23 PM.
Old 10-06-2018, 09:03 PM
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c5wolf
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Talk to Bret, and his warranty was good for me with no receipts 4 years later
Old 10-06-2018, 11:37 PM
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CI GS
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Bret is a super guy to deal with.
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Old 10-09-2018, 07:49 PM
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95vettski
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PM sent to Mr Brett

Last edited by 95vettski; 10-09-2018 at 07:50 PM.

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