Engine Performance problem
1976 Other Nissan Models 4 cyl Two Wheel Drive Manual 55000 miles
I have a datsun nissan model 210. Which I aquired recently.I have noticed when I start it. White smoke comes from the exhaust rearend. But only until the engine warms up. Afterwards when I drive it. Lets says before 15minutes. The car tends not to have enough power. But afterwards. It runs smoothly. When the engine has heated up. I am guessing that. Since I havent done oil change from the time I bought it. There might be an acumulation of oil sludge. Thats preventing the engine from running properly.I am thinking of doing an oil change to see whether that problem will cease. But I wll be grateful in receiving your professional opinion.