Yes you can.
5w30
replacement of the transmission dipstick tub seal on a 1994 s10 blazer
Sure you can if you want to shorten the life of the engine.
To drain the oil on a 1991 Chevy S10 Blazer, located the oil pan drain plug. Use a wrench to remove the plug and the oil will flow into the receptacle you have provided.
Inside of oil pan.
4.5
8oz.
it is under the distributor.
The 1987 s10 Blazer uses 4.5 quarts of oil. Make sure to check the amount using the dipstick as the amount could vary due to all of the old oil not draining completely.
time for an oil change
5W-30 in most climates.
I have a 2000 Chevy Blazer LT and it ran great until I took it to a Valvoline for an oil change. I had over 160,000 miles on it and they put the wrong oil filter on it to cause my engine to seize. Jeff- Sioux Falls, SD