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Those who know gm alterators


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astro88 
Copper - Posts: 195
Copper spacespace
Joined: December 01, 2003
Location: Canada
Posted: November 20, 2006 at 5:57 PM / IP Logged  
Im doing a little research on replacing my alternator on my 92 chevy lumina z34 3.4L dohc.
The stock alternater is a small case cs-130 105 amp.
Now what i found is an alternator for a 1996 lumina apv van 3.4L engine that came with a cs-144 large case 140 amp alternator.
I would think that the cs-130 and the cs-144 would be interchangable,but i really have no experience swapping alternaters so im looking for some insight as to will it bolt up the same? will it fit in the cramped quarters of my engine compartment?
Any help at all is usefull!
TIA,Mike
jeffchilcott 
Platinum - Posts: 2,483
Platinum spacespace
Joined: April 11, 2002
Location: United States
Posted: November 20, 2006 at 9:56 PM / IP Logged  
The CS-144 is a large case, the largest of the alts really.
If you can make the brackets to make it fit go for it, but it will not be drop in.
2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
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astro88 
Copper - Posts: 195
Copper spacespace
Joined: December 01, 2003
Location: Canada
Posted: November 21, 2006 at 10:33 AM / IP Logged  
What if i were to get an alternator bracket for the lumina apv as well ? hmmm
jeffchilcott 
Platinum - Posts: 2,483
Platinum spacespace
Joined: April 11, 2002
Location: United States
Posted: November 21, 2006 at 12:51 PM / IP Logged  
I dont know if the other lumina's came with A large case Alt.   I know the most typicall mod that need to be done is an uper bracket with more movement, and sometimes the lower part of the alt needs to be slimed down by 1/4 of an inch..which can be done with an angle grinder.
Then the belt, this is the most frustrating part, make sure you go to a shop where you can take belts back cause you will probably try alot of them, till you find the one that fits just right
2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place
astro88 
Copper - Posts: 195
Copper spacespace
Joined: December 01, 2003
Location: Canada
Posted: November 21, 2006 at 5:50 PM / IP Logged  
i looked through alternater part numbers and found the 1996 lumina APV van 3.4 litre v6 came equipped with a 140 amp cs-144 ,the motor should be roughly the same as the 92 lumina?, gonna do some more research....
thanx jeff.

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