Switching to a High Mileage oil is a smart move but using an additive I would not recommend. All the additive you need is already in the High Mileage oil you buy as long as you purchase a quality name brand oil.
120000 miles for first change
One foot is = 0.000189394 miles.0.000189394 *120000= 22.727 miles
120000
76,800,000 acres.
120 000 miles = 193 121.28 kilometers
120000 miles with original iridium plugs.
It should be changed every 75,000 miles at the very least.
Business mileage is calculated at .50 per mile. This can show up on various forms including Schedule C, Schedule E or as a nonreimburesd employee expense on Schedule A. Please be advised that commuting miles can not be deducted.
I think about 1000000000000000
No there isn't except perhaps adding inector cleaner every 10,000 miles to your fuel tank but most fuel companies add his now already.
You need to change the timing belt each 90K miles.
Accoding to the Kelly Blu Book ebsite the private sale value of a 2003 Dodge Caravan with 120000 miles in good condition is $3960.00. In excellent condition the value increases to $4410.00.