I jack up and support the front of the vehicle and remove the front wheels, then use a 3/8" drive, 5/8" spark plug socket and ratchet with a long "wobble" extension, go though the wheel well opening, it is a clear shot.
If you have platinum spark plugs, 100K. If you have standard plugs, 50K.
Need to know what size engine.
You can begin by removing the spark plug wires from your 1985 Chevrolet S 10 Blazer spark plugs. Use a 5/8 deep well socket to turn the spark plugs out. Turning the socket to the left will loosen the spark plugs. Reverse the process to install the new spark plugs.
One for each cylinder, six in a six cylinder, four in a four cylinder.
Between the cylinder head the spark plug wire.
In North America, the S10 series ended in 2004.
Follow the spark plug wires, they will lead you right to them.
AC Delco
First thing to do is replace all the spark plugs. If that does not help, replace the plug wires. If that does not help, run a compression test.
.60
The exhaust manifold on a Chevy S10 truck is changed by removing the spark plugs, unbolting the manifold from the cylinder heads, and unbolting the collector. The manifold can then be removed from the vehicle and a new set put in its place.
the gap is 0.060 inches