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WoW , im impressed. this worked perfectly. 98 s10 4.3 X code. i got lucky and got the alternator on ebay for $57 + $15 shipping and the 4060970 belt. flawless install. not only that, but my neighbor pointed out something to me i never knew or noticed. the tension pully actually has a mark on top that shows you the area the tension pulley should be in. it was dead center. it tested 150 amps at hot idle. THANKS FOR THIS POST !!!!!!!
 

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Can you read? You only need the alt and belt. The belt PN was just given as well as I posted pictures of the one I used with the pn on it.
 

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If you want the 130 amp and not the 145amp version.
 

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thats the one i got , but the ad is wrong, its stamped 150 and it does 150 at idle.

i would not get too uptight about what it's stamped or advertised as. its a definite improvement all around from the stock 105.
mine's been in for couple of weeks now, running great, thumping my bazzoka tubes just fine.
i actually did not get mine for the amps so much as i did for the bigger bearings and brushes. tired of buying a new one for mine every 2-3 years. i am hoping this will last 5+ years. my truck sits a lot too, things get rusted and corroded fast from sitting
 

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Could you maybe get me a link to the 145 I typed in ad244 but it brought up a whole bunch of different ones that didht look right
ad244 is a style not a model number. the link i sent you is about the best price you will find. look at the ad, it lists what models it fits and cross reference part numbers. do the research like i did.

if still nervous, spend a few more bucks and get it from amazon. returns are sooooooooooooo easy with amazon. you simply put it back in the box, print the return label and tape it to box. most of the time, they even send ups back to your house, sometimes they want you to drop it off at a ups location.
 

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Read all fourteen pages - and learned a couple of things.

First I did the AD244 to my 97 S10 4.3l - works just like it should!

This is all for a 1997 S10 - others may/will vary.

Got mine from a salvage yard and it is a genuine Delphi 145A has the engraved ID. Took it to Autozone and had them check it, it passed. That way I could take it back and replace it if needed. No need to try it on my truck and find out it's condition.

The belt issue - I had in the past few months replaced mine so it was a good belt, the AD244 fit, though the tensioner was tighter than I liked.

So I got a smaller diameter idler pulley from Autozone a 231098 for $11.99 (Dayco #89098). It worked and the tensioner is right in the middle of it's travel. Told the guy I needed that part number, he asked what it was for, told him riding lawn mower deck, they can't look that up!

The standard pulley is 90mm (3.54in) in diameter. The 231098 is 76mm (2.99in) in diameter.

Want one even smaller try the Zones 231052 (Dayco #89052) $14.99, it is 70mm (2.75in) in diameter. Can not say this will fit as I have not tried it.

Note that the tensioner pulley is 70mm in diameter if your thoughts are that a 70mm will be too small.

Changing the idler pulley was cheaper than replacing the belt.

Then I thought about the belt issues that some folks are having and I wonder if the idler pulley on their trucks is the correct size or not?

This is another way to fine tune the belt tension if you feel the need.

Just my three cents.
 

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Ok so I am interested in this mod, my stock alt is on its way out I think. But when I go to the parts store ad244 doesn't come up. Is the stock alt for an early 2000 Tahoe going to be the same quality and amperage?
 

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OK so today I turned the amp up a little and saw as low as 12volts on the dash with driving around with the ac on and taurus fan, so Im not sure whats going on the battery is like 6months old I just did 0 gauge wire big three upgrade and still drops
Where you able to find out what the problem was? Or was it just a incorrect reading?
 

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when i got it from napa, i did a vehicle search for a 2005 Saab 9-7X with the 5.3L V8, im sure it fits other applications. its a brand new alternator btw, im going to start a project thread in the next few days and i will have photos and everything up for everyone to check out
I'm looking at this alt any problems with this also I'm running the flex a light vsc with the 16 fan plus 2 twelve in fans 9500 winch 4 4 in 55 watt off road lights quad light mod planning on 2 5 in hid off road lights and 2 7 in hid off road light plan on a twelve in sub with amp do I need a second battery or will I be fine I am thinking on a second battery
 

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im gonna have to revamp my reply to this. everything is right except the belt.
i tried one size bigger gatorback belt. while engine was not running, the tension marks were just barely within spec marks. when engine was running, the belt was too lose and outside tension marks or tension pulley.

with a couple cuss words, i was able to get the new OEM size gatorback belt on. when engine is running, it is perfectly centered on belt tension marks for the tension pulley.

basically, you cant go by what looks or feels right. go by the tension marks on the tension pulley, WHILE ENGINE IS RUNNING.
 
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