C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

CS144 Alternator Upgrade howto

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Old Feb 9, 2016 | 04:52 AM
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Default CS144 Alternator Upgrade howto

Finished my howto for the cs144 upgrade for earlier model C4's in case anyone needs it.

http://crowz.narmir.com/vehicles/198...nator-upgrade/

I had posted some of the info when I did the mod earlier but this has all the details including measurements and such now.

Hope it helps out some.
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Old Feb 13, 2016 | 11:58 AM
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Thanks for this post. I had a ton of problems with mine in the early nineties. I have a Motorcraft (I know...I know...but I went through 4 AC Delcos...I was desperate and needed the money...lol) that has lasted since 1994. When it goes, I hope your pal has the brackets ready...its CS 144 time!

Last edited by Black LS2; Feb 13, 2016 at 12:00 PM.
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Old Feb 13, 2016 | 03:05 PM
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Originally Posted by Black LS2
Thanks for this post. I had a ton of problems with mine in the early nineties. I have a Motorcraft (I know...I know...but I went through 4 AC Delcos...I was desperate and needed the money...lol) that has lasted since 1994. When it goes, I hope your pal has the brackets ready...its CS 144 time!
thanks crowz!!!
im going to pull one from a junkyard and put it in.

possible to drill and tap into the cs144 housing?
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Old Feb 13, 2016 | 04:15 PM
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Originally Posted by VikingTrad3r
thanks crowz!!!
im going to pull one from a junkyard and put it in.

possible to drill and tap into the cs144 housing?
Glad to help !

That is a possibility that I considered till one of my customers told me he could make one and make them for others so I'm waiting to go that route. If you do go the drilling the case route you want to run a bolt from the inside thus creating a stud. Then put the brace on the stud and use a nut to hold it on.

Last edited by crowz; Feb 13, 2016 at 04:16 PM.
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Old Feb 13, 2016 | 04:16 PM
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Originally Posted by Black LS2
Thanks for this post. I had a ton of problems with mine in the early nineties. I have a Motorcraft (I know...I know...but I went through 4 AC Delcos...I was desperate and needed the money...lol) that has lasted since 1994. When it goes, I hope your pal has the brackets ready...its CS 144 time!
Thanks !

I'm hoping it won't be much longer.
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Old Feb 13, 2016 | 07:11 PM
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thank you!


Originally Posted by crowz
Glad to help !

That is a possibility that I considered till one of my customers told me he could make one and make them for others so I'm waiting to go that route. If you do go the drilling the case route you want to run a bolt from the inside thus creating a stud. Then put the brace on the stud and use a nut to hold it on.
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Old Nov 12, 2020 | 05:17 PM
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Default 4 year update?

Did you ever have an issue with removing the brace? I need to replace my alternator, this looks like a good upgrade
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Old Nov 12, 2020 | 05:22 PM
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Originally Posted by XCSP700
Did you ever have an issue with removing the brace? I need to replace my alternator, this looks like a good upgrade
post is almost 4 years old
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Old Nov 13, 2020 | 03:39 AM
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Originally Posted by XCSP700
Did you ever have an issue with removing the brace? I need to replace my alternator, this looks like a good upgrade
I've been running a CS144 on my 89 with headers and no brace for 2 years 20k miles no problem.
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Old Nov 13, 2020 | 07:55 AM
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Originally Posted by XCSP700
Did you ever have an issue with removing the brace? I need to replace my alternator, this looks like a good upgrade
Not strictly necessary on the alternator, I've run it for a decade with no problems.

However you do need something on the AC Compressor.
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Old Sep 6, 2022 | 01:02 PM
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Its been about 6 years now and that alternator is still kicking. Ive NEVER had an alternator last that long on a c4 before so its a must have mod in my opinion.

Customer never made the bracket for me but its still doing fine.
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