i would download the 2005 mod by Tony, first you download melbourne then sepang and then bahrain, with teamart, cars, helmets, ... in low, normal and hi res!
You can find the download link in this thread,[
www.grandprixgames.org], think the link is on page 2 or 3 and you also need csm 1.25 build 29, link also available in the thread!
for your first problem you can change that in gpxpatch, tab gpxlap, don't select enable incar setup changes. For the rev meter if its select in gpxpatch you should fine a line in the tab gpxcinfo tab and deselect it there or if its the ingame rev meter then go to ingame graphic settings and remove the TV overlays!