does anybody here have any overheating problems with there 1jz engine if you leave it on for a gud 30 mins or longer??? cuz i have a friend that did a swap in his sil-80 and we left the car on for a gud 30 mins and it overheated. if so how can i prevent that??? also the reason y is because i wana make it reliable as possible cuz i drive all the time long drives and all...