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1986 IROC-Z 104+ Alternator (Stock)

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Old Sep 27, 2015 | 10:27 AM
  #1  
SRKLEGIN's Avatar
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From: Roy, Utah
Car: 1986 IROC-Z
Engine: 90-95 ZZ4 Crate 350 TPI
Transmission: 700R4 4spd Automatic
Axle/Gears: 3:73
1986 IROC-Z 104+ Alternator (Stock)

Can't find genuine GM 104 amp alternator. Anyone have one?
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Old Sep 27, 2015 | 06:25 PM
  #2  
paulo57509's Avatar
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From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: 1986 IROC-Z 104+ Alternator (Stock)

Rock Auto has a couple of 108-amp Delco reman alternators.

http://www.rockauto.com/catalog/x,ca...,parttype,2412
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Old Sep 27, 2015 | 07:46 PM
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Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: 1986 IROC-Z 104+ Alternator (Stock)

Originally Posted by SRKLEGIN
Can't find genuine GM 104 amp alternator. Anyone have one?
GM didn't have a 104 amp for 86,they used the 108 amp Generator (K90)
IIRC GM used a lesser amp generator for 86 also. Check your SPID sheet to make sure.
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Old Sep 30, 2015 | 06:57 PM
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SRKLEGIN's Avatar
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From: Roy, Utah
Car: 1986 IROC-Z
Engine: 90-95 ZZ4 Crate 350 TPI
Transmission: 700R4 4spd Automatic
Axle/Gears: 3:73
Re: 1986 IROC-Z 104+ Alternator (Stock)

YEP...108...sorry
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Old Oct 1, 2015 | 06:18 PM
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From: Levittown Pa
Car: 89 Iroc Convertible
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.27 Posi 9 bolt PBR
Re: 1986 IROC-Z 104+ Alternator (Stock)

I got a new 105 amp gm delco alternator from Rock auto for my 89 Iroc vert
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Old Oct 3, 2015 | 07:08 AM
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Re: 1986 IROC-Z 104+ Alternator (Stock)

I have 2 but in australia happy to ship as my motor is not needing any original parts like this.
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Old Oct 3, 2015 | 10:11 PM
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Car: `86 SS / `87 SS
Engine: L69 w/ TPI on top / 305 4bbl
Transmission: `95 T56 \ `88 200-4R
Re: 1986 IROC-Z 104+ Alternator (Stock)

If you're set on keeping v-belts and the 180 degree alt, maybe go for the CS130 for an 87. It looks like it belongs. Wiring changes are needed though.
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