I HAVE A 1986 XJS V 12 SINE DAY ONE AND I HAVE NO PROBLEM AT ALL IN FACT I CANNT SEE HOW IT UP AND GO LIKE IT DOEST I HAVE IT OUT AT THE AIR PORT ONE DAY BACK IN I THINK IT WAS 2009 AND I WAS CLOCKED AT OVER 189 ALL I NEEDED WAS WING AND I WOULD OF BEEN OFF THE GROUND SO FOR THE MONEY I SENT ON IT IT WAS WILL WORTH IT AND I HAVE GOTTEN MY MONEYS WORTH I DONT KNOW ABOUT THE NEWER ONES BUT THEN IN NOT IN THE MARKET FOR A NEW ONE ANYWAY