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AC serpentine belt by Mr.sandman
Started on: 04-22-2025 03:27 PM
Replies: 1 (64 views)
Last post by: jelly2m8 on 04-24-2025 02:26 AM
Mr.sandman
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Report this Post04-22-2025 03:27 PM Click Here to See the Profile for Mr.sandmanSend a Private Message to Mr.sandmanEdit/Delete MessageReply w/QuoteDirect Link to This Post
Looking to see what serpentine belt I need to use on a 3800 sc swap. I already have the supercharger belt. But I'm looking for the drive belt to power the air conditioning and alternator. I am using a factory 3800 air conditioning. The donor engine is out of a 1998 Pontiac Grand Prix GTP.
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Report this Post04-24-2025 02:26 AM Click Here to See the Profile for jelly2m8Send a Private Message to jelly2m8Edit/Delete MessageReply w/QuoteDirect Link to This Post
The belt you will need depends on your layout. You most likely removed the Power steering pump, Where you mounted the Alternator and tensioner all changes what belt you will need. If you have the original belt, cut it and wrap it around your belt drive system and take a measurement. You will want to compensate for the tensioner movement, i like to load it fully so I get the minimum length and then go a size or 2 up from what ever that ends up being. Get what you think and the next length up. Can always return the one you don't use. It is a bit of trial and error.

If you used someone's prefabricated alternator relocation kit, they should know what the belt needed is.

[This message has been edited by jelly2m8 (edited 04-24-2025).]

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