This is my first conversion..
So, please try my conversion and leave comment for further support.
Iso File after conversion: 525 MB
1.Extract archive somewhere on your PC (don't extract to game folder)
2.Put your DirectX Software to folder _CommonRedist\DirectX and your vcredist_x64.exe and vcredist_x86.exe to folder _CommonRedist\VCRedist. and then run Rebuild.exe. follow instruction (This processes will unpack .PAC in Motorcycle Club and Compress use FreeArc+Srep+Lzma, so final result will fit in 1CD than .PAC archive direct Compress,you can't get fit 1CD)
3.After Conversion. you will get Motorcycle Club.iso, mount and install
4.When Installation Finish, CMD window will appear to run rebuild back to .PAC archive
5.Wait till done.
Note:Size for rebuild data game is 7.55 GB. Final Result game is 2.63 GB. Sorry for my bad english, I'm from Indonesia.