Thread: H/O Alternator

Anyone know the best place to get a decent one? Google search has found none for a 2001 GT.

I was wondering the same, I've got a pretty big system and sick of my voltage drops at high SPL levels.

Pretty sure the CP1 Impala's had H.O. Alt's in them...IIRC are's are what...120's? I think they had a 160.

Yeah I've been looking for some too, I think I will need one in the not so distant future and I would like to get a H/O one. I've heard Mechman Alts. are good and here is one for the 3800.

MechMan.com - High Output Alternators, AGM Batteries, 12- & 16-volt Charging Systems for Car Audio

Originally Posted by josemolina2008

Yeah I've been looking for some too, I think I will need one in the not so distant future and I would like to get a H/O one. I've heard Mechman Alts. are good and here is one for the 3800.

MechMan.com - High Output Alternators, AGM Batteries, 12- & 16-volt Charging Systems for Car Audio

I've heard Mechman, just never found a page for them. May have to invest that...I wonder if they take discounts if you send in your stock alt.

Originally Posted by iceman977th

I've heard Mechman, just never found a page for them. May have to invest that...I wonder if they take discounts if you send in your stock alt.

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Beware, they are friggin expensive but amazing.

Stock W bodies got a 105amp from everything I've found.
Stock Bonneville SSEi's got 125amp
Stock PA Ultras got 125amp (or maybe higher)

Y'all may want to look around for Iraggi HO Alternators and Ohio Generators. Both make alternators for the 3.8L and both are expensive. I believe the Iraggi HO is rated for 14.7v @ idle. The Ohio HO, the one I own, is a bit less at idle.

so wish I could sell my alternator from my 1991 Olds 88, it had the series 1 3800, the alt was 200 Amps, thing is still in perfectly good condition, just can't find a buyer

Originally Posted by tod1d

so wish I could sell my alternator from my 1991 Olds 88, it had the series 1 3800, the alt was 200 Amps, thing is still in perfectly good condition, just can't find a buyer

Do those fit on the II's?

Yeah I'm pretty sure Iraggi is still in business, but the only one that I've heard of that had them for the 3800 was Mechman for sure.

Originally Posted by iceman977th

Do those fit on the II's?

it won't fit on the III's so I guess it does not work on the II's either
I just wish all it would take is a different mounting bracket on the alt then it would work, as it is the thing is much bigger and heavier then the stock alt thats for sure