Sean's Classic Pack is designed for Minecraft Beta 1.7.3, and is available via our MultiMC installation method.
Sean's Classic Pack can run on Java 8, and you can install that from Oracle's website.
Installation Link Used
https://modpack.nosiphus.com/multimc/Sean's%20Classic%20Pack.zip
If you ever lose the address for the Sean's Classic Pack-based server, it is scp.nosiphus.com:25555.
Sphax PureBDcraft has long been the texture pack of choice for Nosiphus modpacks. If you want to use it, here are the downloads. You will need to add the copy the modded textures into the main pack.
You will download the main pack for Minecraft 1.2.5, which is completely compatible with Beta 1.7.3.