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Upgrading alternator!!!

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Old 05-05-08, 09:56 PM
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Upgrading alternator!!!
I got sick of the little 55 amp alt. so I went with a 105 amp delco CS130 alt. I don't have any pics right now but I'll get some tomorrow. It looks pretty nice, but I have to paint the pulley and fan again. It was pretty much a bolt on application........
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Old 05-05-08, 10:05 PM
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https://www.rx7club.com/1st-gen-archive-71/electrical-105-amp-alternator-swap-how-%96-gm-cs130-504737/
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Old 05-05-08, 10:17 PM
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How do you remember that from two years ago?!?!?!?! Man your a thread finding machine!!! There is one big difference between his and mine tho......... his has the one big mounting lug and mine has the duel ear mount lug just like the stock alt.!!!! This way it's easier to mount.
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Old 05-06-08, 05:46 AM
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Originally Posted by risingsunroof82
How do you remember that from two years ago?!?!?!?! Man your a thread finding machine!!! There is one big difference between his and mine tho......... his has the one big mounting lug and mine has the duel ear mount lug just like the stock alt.!!!! This way it's easier to mount.

Now you are gonna have to post those pics!

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Old 05-06-08, 06:52 AM
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i got a delco cs130 sitting in the garage, and my fb pulley doesn't fit onto the shaft, from what i read about it, its supposed to fit?
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Old 05-06-08, 09:20 AM
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No, they're different shaft sizes. You can get any double pulley off any delco alt and it'll fit. But it has to be from a delco to fit on the CS130. I'm going over to the shop right now so I'll get some pics and post them later today!!
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Old 05-06-08, 10:44 PM
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Alright, heres some pics!! It's a bit dirty but you get the idea......







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Old 05-06-08, 11:42 PM
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whats the benefits of this ver an S5 or S6 alt?
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Old 05-06-08, 11:50 PM
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....... Delcos are lot better to work on personally and at 105 amps.....
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Old 05-07-08, 07:37 AM
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what year/model did your double pulley come from?
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Old 05-07-08, 09:56 AM
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It was with the alt but we're still trying to look up the codes to see what it's off of.........
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Old 05-07-08, 04:26 PM
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Heres my 140amp AC Delco upgrade:


I've done the FC abd FD alternator upgrade, but I just needed that little more power.
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Old 05-08-08, 10:25 AM
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What did you use for a bracket on that side mount setup?
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Old 05-08-08, 12:48 PM
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The side mount bracket is sold at pineappleracing.com. If it is the same the one. Whats the need for the 105 amp alternator? What do you have that is in need to have 105 amps?
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Old 05-08-08, 01:34 PM
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If your running a high powered aftermarket stereo, or adding other electronic parts, you'll want more juice. I'm currently running an FC alternator.
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Old 05-08-08, 02:37 PM
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Originally Posted by twinkletoes
The side mount bracket is sold at pineappleracing.com. If it is the same the one. Whats the need for the 105 amp alternator? What do you have that is in need to have 105 amps?
Pineapple quit selling them and atkins sells one now but they are made for the rx-7 alternator. I think the braket would have to be modified to work with a GM alternator.
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Old 05-08-08, 03:55 PM
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Ok, sorry for the misinformation. I thought pineapple was still selling them. I know you need a bigger alt if you got a stereo and all. I'm just asking what he has to have to put that in there.
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