Greetings from Paul Bouwer living in Centurion South Africa. Just received my 2011 Silver Shelby GT500 - the RIGHT HAND DRIVE conversion was done locally. Will be needing suggestions on a 2nd set of rims and tires. Question - is it best to stay with 19" front and 20" rear - currently have Goodyear Eagle F1 tires. What other tire makes are recommended for daily driving?