LUVTruck.com

I'm looking at alternators to see if I can get a better charge to run an amplifier and not kill my battery. Is the alternator in the same spot with ac? The alts I'm looking at show higher amps but are labeled as with ac can someone shed some light for me?

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Dr. Frankenstein

That just means that the alternator is used on a A/C equipped vehicle. Running A/C requires 20 or more amps for the compressor clutch, blower fan and switches. If the A/C is on at night with the lights on, the charging system needs to produce enough power to keep this working and not pull power from the battery.
The only porblem you might face is that the bigger alternator could be made with the terminals and connector clocked in the wrong direction to the mount pattern. This isn't a big problem, you just remove the 4 bolts that go thru the body of the alternator and turn it to the direction that works for you.
You didn't mention if this is for a LUV or a GM vehicle. If it's a LUV, does it have a GM alt already or are you replacing the stock system?

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Previous setup: 4.1 Buick V-6/TH 350
Current setup: 400 Small Block Chevy V-8/TH 350
9" ford rear end/short bed/blue
What do Water, Electricity and Humans have in common... They all travel the path of least resistance.

the truck is still very stock, and yeah I'm just lookin for a few more amps .So you think this will be pretty self explanatory?

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Dr. Frankenstein

If your truck doesn't have A/C, the A/C alt should handle your stereo system just fine. For some reason, i was thinking you had a GM charging system in your truck. The stock A/C alt doesn't need to be clocked to fit. That's something for V-6 and V-8 people to consider when they upgrade their charging systems.

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Previous setup: 4.1 Buick V-6/TH 350
Current setup: 400 Small Block Chevy V-8/TH 350
9" ford rear end/short bed/blue
What do Water, Electricity and Humans have in common... They all travel the path of least resistance.

I posted a question a while back about converting to a gm one wire but I didnt get to the guy quick enuff so no cheap alternator for me.Thanks for letting me know,theres like no use for an ac in sf so Ive probly never even used one let alone seen the parts.

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Dr. Frankenstein

Just to add my 2 cents.

The alternator is pretty much identical on AC vs non-AC LUVs. It mounts and wires in the same. The AC alt just kicks out a few more amps. On the AC truck I had, the alt even looked just the same, only the pulley was a tad smaller.

the A/C and non A/C alternators are identical externally. I helped a buddy of mine drop one in his truck (non A/C and my doner was an A/C truck).

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1980 LUV 4x4, going under re-construction...

now if I can just get out from under my to do list...

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Dr. Frankenstein

Good luck with the swap.

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1980 Chevrolet LUV stock 1.8L longbed
1980 Chevrolet LUV parts truck shortbed
1983 Suzuki Gs550 Sportsman
1989 Nissan King cab P/u <totalled> 4/1/06
1986 Full size Chevy P/U
1993 Volvo 850 GTL

ordered a 50 amp alt thanks yall. If any body else is interested in this the part(from autozone online is duralast 14118) put that alt. in today,now I can blast my tunes turn up the heat and use my high beams and my flashers arent any slower now to find an amp and a sub!

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Dr. Frankenstein