Everything needed to build the '65 season for the GPL can be within the 65 Mod. A lot of information about the mod and about the real 1965 season and further add-ons can be found at the Legends of '65 site.
65 Mod Installation Notes
You basically have two possibilities. You can either use the mod as a whole and switch between the 65 and 67 seasons using the GEM+ utility supplied with the 65 Mod. This is the best approach if you do not intend to use other than '65 and '67 seasons. GEM+ is not, however, capable of selecting the layout and sound files for other than the '65 and '67 seasons at present (but a more general version is probably underway). Another possibility is to install the 65 mod in a separately installed 'clean 67' GPL (without other season mods but with all the patches to the gpl.exe you want to use), run GEM+ in that installation, set apppropriate, options in GEM+ to and then copy the relevant parts to your 'standard' GPL folder. You would need to do the following:
This presumes that you will use only Formula 1 Grand Prix cars and not the FD or FG combinations also enabled within the 65 Mod (you would need to copy different *.exe files for that). Now copy the following files from your new install to your standard install:
Then go to the install directory of the 65 Mod and copy:
This is sufficient if you do not intend to use the '65 Mod online. Otherwise you would have to do also the following (also be sure to visit iGOR online documentation):
I do not race online, so do not take that for granted.
Now you can use the gpl65lite.exe or gpl65full.exe to launch the GPL 65 Mod using the respective carset. If you did not set the carsets in GEM+ previously, you need to change the carset using the Shutaro's carset changer first.
Warning: Never run GEM+ pointing it to your GPL directory unless you know precisely what you do!
In 1965, two GPs were held at other than the GPL default tracks:
Both of them are available for GPL. Download the East London 1967 track (created by Jonathan Merry) from the GPL Track database and install it. Download the Clermont-Ferrand track from GPLEA and install it. There is a little error in the Clermont-Ferrand track.ini file. Its corrected version is included in my 65 season mod.
My modifications for the 1965 season
My modifications to the 1965 season are based on the general guidelines described here. All the calculation are contained in an MS Excel spreadsheet (download zip - sorry, it's a Czech version of MS Excel, I am not sure if it would work in your language version) that you can open in a separate window.
The comparison of the speed of the drivers in my driver.ini file is given in the following graph:
The next plot compares the reliability of the drivers:
You can download my 65 season mod as a zip file that contains:
I would be grateful if you can test my mod and let me know the season's results.