This quakec patch came from PC and work with all version of quake(060 and PPC).
it remove a bug that slow down hall with fire and fire can now also kill you.
I include the PC patch from author in zip format.
Just put the directory "FAST" in the quake directory,
and execute quake with "QUAKE -game fast"
My 060 go from 8 to 15 fps
and PPC from 36 to 50 fps in 320x240 and 15fps in 800x600 CVPPC Screen
when starting quake don't move and type in the console "TIMEREFRESH"

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 2284    4790  47.7% -lh5- 84c0 Oct  1  1997 author.txt
[generic]               126618  414408  30.6% -lh5- c041 Oct  1  1997 fast/progs.dat
[generic]                  374     584  64.0% -lh5- 2e21 Sep 25  1998 FastPatchQuake.readme
[generic]               205577  205577 100.0% -lh0- 85b5 Sep 19  1998 fastquake.zip
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         4 files  334853  625359  53.5%            Sep 26  1998