eh you probably dont need to replace the booster.. its just a drum with some seals in it.. acts as a vacuum.
http://www.cygnusx1.net/Supra/Librar...aspx?S=BR&P=15
but eh couldnt hurt any
oh do be carefull when bench bleeding the new MC. they give you RUBBER NUTS.. don't break on off in there like i did. causes problems if you cant get it out and it gets sucked down into the brake line..
like it did for me ;(
good luck and be sure to check that thread out.. has pics of the MC install
http://www.toyota-supra.info/forums/...ir-brakes.html
eh you can skip all of that and just read this
http://www.toyota-supra.info/forums/...-brakes-2.html
the only page that really matters.