Try replacing the coolant temp sensor, the one next to the thermostat housing.
Vortec is the motors name in the blazer and it is a great motor
The Vortec Motor hasn't changed sence it came out. it will fit perfectly.
Apparently, there is none. They started using them in 1996.
On the Vortec the computer does it all.
I would like to know if my 2002 chevy blazer with a stock 4.3 vortec pull 2000 lbs ?
Chevy blazer '78
Yes.
My Blazer 4.3L vortec holds about 4.5 - 5 quarts
In 1994 they started putting the vortec motor in the Blazer and the push button transfer case. Most of the body panels are the same.
how do u replace fule pressure regulator in 94 blazer vortec
Inside the tank.
The manual in my 2000 Blazer said 190Hp