1st- i have a clifford alarm with proimity sensor can this be ajusted as its not covering the back of the car and only chirps when near the front windows

2nd-what oil for an escort cabriolet pump for the roof mk4

3rd- i have willwood front calipers but breaking isnt sharp someone said i need to uprate the master cylinder with 1 out of a van or something any ideas advice on the best route to take

4th ive been told it might be a good idea to get an oil cooler to help keep engine temps down advice on what is needed etc i have a 2.1 zvh if this helps

thanks for any helpfull advice