Okay I have been a Modular guy for a year now and I have done alot of research on what to do and what not to do. I got a good deal on a 1992 LX 5.0 with 95,000 miles on it. The guy who had the car before me put on a O/R H pipe, Flows, pulleys (not sure what brand) and what looks like a BBK CAI. I am going to change the oil tomorrow and I was looking to get opinions on what to put in it. I have no clue what the previous owner used. I use Mobile 1 synthetic in my 02. I also live in Cental Florida so it only gets cold for about a month. Should I go with a synthetic or should I just use regular oil? Any help would be apprecited.