What is an excellent brand of transmission fluid for a '93 V8 given that I am not sure what (synthetic or regular) is in the case presently? Also, is it possible to pump out the fluid through the dipstick rather than drain from the pan? Allan Holland '93 Audi V8 (Interceptor) '91 Suzuki Samurai JL '90 VW Corrado G60 '81 Triumph TR8 '73 Mercedes-Benz 450 SEL