15 to 18mpg
I have 1 and I'am getting 14 to 15 mpg In city, trying to find ways of improving the mileage of it
Depending on the differential gear ratio, anywhere from 17 to 19 mpg.
R134a
5w30
being a 454 it doesn'y get any kind of fuel mileage
4L60-E
Obd ii
rocket fuel
4L60E.
If the Blazer is gasoline powered the antifreeze can be any kind that is for sale for gasoline powered vehicles.
It will be a 305 or a 350 fuel enjection engine ( TBI )
700 R4 if it is automatic. 2x2