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#1014108 - 10/12/14 03:12 AM Serpentine setup with CS144 alternator  
Joined: Oct 2000
Posts: 1,148
WaSSted Offline
10+ Year
WaSSted  Offline
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Joined: Oct 2000
Posts: 1,148
Kennewick
Well Im on the home stretch of my swap. One of the problems I had from the beginning was the alternator. What to use.

Well I wanted to post up my experience so maybe when someone in the future searches they will find this. I have the f-body brackets which accommodate the smaller SI alternator that originally came with our cars. I know there's a bracket out there from the b-body's, but finding one seemed next to impossible. Then I found a post on the third gen site about using an alternator from a 1997 Chevy Express van.
http://www.thirdgen.org/forums/fabrication/703906-140a-bolt-alternator-upgrade.html
This is the route I took.

Now that I got the alternator mounted I have a rear bracket left over that does not fit. From what I can tell this bracket bolts between the back of the alternator and an exhaust manifold stud. Is everyone just pitching this bracket? I considered this since I see it's absent in everyone photo with the cs144 that I have found so far. I didnt like the idea of not using it so I modified it. I just cut and welded a large bolt I had laying in the bottom of my tool box. I dont know how strong it will be, but I figure its better than nothing. Pictures attached.




Kirk Herres
86' SC/SS, 350 Vortec, Rpm intake & Cam, 750cfm Edlebrock Carb, 3" True Duals w/Flowmasters and DR. Gas X pipe, All Autometer Gauges, B&M Hammer Shifter, Accel wires & ign., and 3.73 Posi.
#1014121 - 10/12/14 03:29 PM Re: Serpentine setup with CS144 alternator [Re: WaSSted]  
Joined: Oct 2003
Posts: 1,479
87ChooChoo Offline
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87ChooChoo  Offline
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las Vegas, NV
I did the same mod when I installed my CS144 on my serp setup. I think it is a good idea to have the brace. I have had the stock Serp Bracket break where the bolt closest to the radiator hose goes through. I was thinking of having it bolted to the intake manifold though, resisting the force of the belt pull.


85 El Camino Choo Choo with L31 350 Crate, TPI, Serp, TES Headers, GN 200-4r, 3.73 8.5 GN Posi, Acura Buckets, '04 GP Console, Electric Mirrors, Electronic HVAC, ZQ8 wheels, Blazer front brakes, LS1 rear brakes, and more....
https://sites.google.com/site/darbyselky/home
#1014125 - 10/12/14 03:39 PM Re: Serpentine setup with CS144 alternator [Re: 87ChooChoo]  
Joined: Oct 2000
Posts: 1,148
WaSSted Offline
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WaSSted  Offline
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Joined: Oct 2000
Posts: 1,148
Kennewick
I think I know what your talking about. Looking at the second picture; instead of the bracket going to the exhaust, mount it the other direction to that top hole in the intake. I considered doing this, guess I still could.


Kirk Herres
86' SC/SS, 350 Vortec, Rpm intake & Cam, 750cfm Edlebrock Carb, 3" True Duals w/Flowmasters and DR. Gas X pipe, All Autometer Gauges, B&M Hammer Shifter, Accel wires & ign., and 3.73 Posi.
#1014136 - 10/12/14 08:13 PM Re: Serpentine setup with CS144 alternator [Re: WaSSted]  
Joined: Jul 2005
Posts: 2,671
gmachinz Offline
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gmachinz  Offline
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Des Moines, Iowa
I designed a bracket kit CNC cut and brake pressed to use the standard 12 and 6 clocked CS144 style alts. But whether you use those or the ones in your pic, I suggest a brace of some sort-your rear brace should work well. For me though, I like running the 3-o'clock clocked t-stat housings which route the upper hose behind the alternator instead of routing it over the serp. belt. Those are commonly found on 350 TBI B-bodies. With the bracket kit I designed, you can then use the stock rear b-body alt. brace which also has the upper hose to rest on the bracket "guide". Its a completely stock appearing setup that keeps everything clean. I'll see if I can post a few pics....


gbodyparts1234@yahoo.com

HARNESSWORX
#1014140 - 10/12/14 08:54 PM Re: Serpentine setup with CS144 alternator [Re: WaSSted]  
Joined: Jul 2012
Posts: 91
SilveradoHD Offline
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SilveradoHD  Offline
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Joined: Jul 2012
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Monroe GA
I just picked up the serp setup off a 93 b-body. Both the brace for the alternator and a/c run down to the manifold.

#1014186 - 10/13/14 01:42 PM Re: Serpentine setup with CS144 alternator [Re: WaSSted]  
Joined: Jul 2005
Posts: 2,671
gmachinz Offline
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gmachinz  Offline
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Des Moines, Iowa
The 9C1 b-bodies are a little different since they use the 6" case. Another option (which I've done on my short box and 383 Monte is to use a 1996-up vortec 350 serpentine setup. Need to use the truck AC drier but everything pretty much lines up and you can drop in the CS144 140A alt. on the passenger side since it was an option on these motors anyway. So, there's a few ways to skin the HO alternator serpentine cat.


gbodyparts1234@yahoo.com

HARNESSWORX

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