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  #1  
Old Aug 27th, 09, 12:49 PM
BB_Mike BB_Mike is offline
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Default new alternator for our old cars?

What are some newer model alternators that have been put into our older model cars?

I noticed the newer Tahoe alternators are 140amps! and these are usually pretty small in size.


I have a chance to get a mid 90s alternator for $20 that puts out 105amp and is AC delco p/n 321-1035 crosses to a GMA005N. It's just an overstock piece the someone is wanting to get rid of. Might make a nice office paper weight?

I think the one on my car now is from a later 80s camaro and has 95 amps. I don't have the P/N off hand, but will tray and get it later on tonight.
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  #2  
Old Aug 27th, 09, 1:10 PM
ehjorten ehjorten is offline
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Default Re: new alternator for our old cars?

I have a CS-130 105 A alt in my Chevelle. Same clocking and everything. Alternator is smaller, lighter and puts out more amps at idle. I referenced a '89 Corvette for the parts rep. You can also do a CS-144 and get anywhere from 124 to 140 A. It is a little bit bigger and heavier, but supposedly more reliable. I have not had any problems with my CS-130. You can reference something like a 92 Corvette or anything else that has the same 6 o'clock/12 o'clock mounting.
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  #3  
Old Aug 27th, 09, 1:20 PM
BB_Mike BB_Mike is offline
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Default Re: new alternator for our old cars?

ok I will tell the parts counter "kid" to punch in a 92 corvette and see what comes up. My 95 amp is about 7 years old. Still working pretty well, but since adding the powered sub woofer in the truck, my charging is right at 12V with the lights on at a stoplight.

I would love to get one of the smaller body sized alternators and tuck it away down low on the motor on the passenger side.
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  #4  
Old Aug 27th, 09, 2:12 PM
Motorhead62 Motorhead62 is offline
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Cool Re: new alternator for our old cars?

I run the CS-130 units with a 160 amp rating. I buy them from by bro Sam at Motor City Reman.

Check it out:

http://motorcityreman.com/gm-1wirecs130.html
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  #5  
Old Aug 27th, 09, 2:33 PM
BB_Mike BB_Mike is offline
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Default Re: new alternator for our old cars?

Ahh, so emphasis is on the 12 o'clock and 6 o'clock bolt hole locations. Something like this: http://www.ecklerscamaro.com/product...dept%5Fid=1196
would not work.

Maybe this overstock thing I am getting from a local contact will work out. if so I'll buy up a handfull of them.

Autozone shows the following:
http://contentinfo.autozone.com/znet...5-6-1/image/8/
120 Amp Remanufactured unit
1475-6-1

Price:$119.99
core charge.: $50.00
Total:$169.99

so $120 for the 120Amps is better than the motor city if you have the core to exchange, but the motorcity is the better deal for needing more current. I really think 120 will do for most any chevelle. I mean, my 95 amp model is pretty old and it hands dual windstar fans, HEI ignition, after market radio and sound system with all lights on ( even one blinker). It was just borderline at 12 volts on the meter.

I like being able to go down to Autozone and swap out the unit if something goes wrong (even if I blow it up those people will swap it out )
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  #6  
Old Aug 27th, 09, 3:58 PM
ehjorten ehjorten is offline
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Default Re: new alternator for our old cars?

Check-out the RockAuto site and you can pick the various vehicles and look at pictures of the alternators. The CS-130 is a good alternator, but it didn't have very good cooling. They make an 'Iceberg' kit for it that helps dissapate the heat better, but I haven't had a problem with mine. The CS-144 was the replacement for it.
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  #7  
Old Aug 27th, 09, 7:18 PM
Motorhead62 Motorhead62 is offline
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Cool Re: new alternator for our old cars?

I have been buying alternators and starters from Sam for many years now. All his stuff is lifetime warranty and he is a straight up guy. I wont even buy a fan belt from Auto Zone. I hate that chain.

Here are some pics of engines with his alternators.
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  #8  
Old Aug 27th, 09, 9:09 PM
BlueSS454 BlueSS454 is offline
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Default Re: new alternator for our old cars?

The ones running these alternators....what are you doing for wiring? Can you get a pigtail to plug into that alternator and splice it into the existing harness?
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  #9  
Old Aug 27th, 09, 9:31 PM
72sbc427 72sbc427 is offline
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Default Re: new alternator for our old cars?

This is the info I found out having lengthy discussions with manufactures and prominent rebuild shops when I needed to upgrade mine.

The common issue with small case (older) alternators is they can have trouble with heat when pushed over 100amps. Not all do, just more likely. The small case unit I got from jegs with 120amps lasted just over a year. As well, these pumped up units tend to have trouble charging at lower rpms. With an oversized pulley you can even have trouble charging at cruise speeds.

The issue with newer larger case units is the size. They are about 1/2 different on the bolt hole. Usually causes alignment issues and belt tossing. Why someone has not come out with a bracket with this in mind I don't know. If someone wants to take that idea and run with it....Please do.

Any of them can be converted to single wire setup. Just some cases are harder to switch out the unit than others. Alternators are easy to clock so that really isn't an issue.

I use a 140 amp large case alternator from a 94 cady that I converted to single wire. And yes had belt tossing issues above 6k rpm. I now use a smog pump bracket from an 85 chevy pickup to mount it low on the passenger side by the fuel pump. I can wind it up over 7k with no problem. Granted mine is a small block setup, so not sure for big block, but the lower radiator hose from the same year truck also has to be used.
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  #10  
Old Aug 27th, 09, 9:59 PM
yost44 yost44 is offline
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Default Re: new alternator for our old cars?

I have a serpentine kit off a like 92 camaro (i think) and it has the 105 amp alt on there....not really sure how I wired it up though cant rememeber its been so long
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  #11  
Old Aug 27th, 09, 11:41 PM
Philip Philip is offline
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Default Re: new alternator for our old cars?

This one is 100 amps, only takes a wire from the ignition switch, a battery lead and a wire from the battery lead into the plug. Clean install, easy wiring. Came in the GMPP serpentine kit. I can get a part number if needed.



The one in the El Camino is a 100 amp from an 89 Camaro. Looks about the same as above and fits the same. The battery terminal on it is different. Just replaced it at cost of $97 from NAPA.

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  #12  
Old Aug 28th, 09, 12:06 AM
Motorhead62 Motorhead62 is offline
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Talking Re: new alternator for our old cars?

To wire a high amp one wire unit is simple. Run a wire straight from the alternator to the positive post on the starter (my choice) or straight to the positive post on the battery. I buy the terminal wires from the parts store that are pre-made for late model Ford vehicles with a starter solenoid. I think it is a 4 gauge. I will double check the size for you.
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1967 Chevelle 496BB/TH400/Dana-60 (Show and Go)
1967 El Camino 388SB/700R4/12-bolt posi (Rat Muscle Parts Hauler)
1967 C10 Short-Wide 489BB/TH400/12-bolt (The Future Shop Truck)
2008 Harley Davidson Dyna Low Rider (Stress Buster)
2003 Harley Davidson Road King Classic 100th Anniversary Edition (Cruiser)
2013 Chevy Cruze RS Turbo (Daily Driver)



My Chevelle: http://www.chevelles.com/feature/nov98.html


C & D Performance

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  #13  
Old Aug 28th, 09, 12:07 AM
shonuff shonuff is offline
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Default Re: new alternator for our old cars?

Anybody tried the Tuff Stuff 100 amp alternator? Supposedly they make one that will even connect to a 3 wire setup w/external external reg for a stock look.

http://www.summitracing.com/parts/TFF-7102NC/

Anybody tried it? Heard about it?
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