Because it has HEI (High Energy Ignition).
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Firing order is 1-2-3-4-5-6 Click the link for a diagram of the plug wire connections to the coil packs.
Depends on the number of cylinders: 4 cyl - 4 5 cyl - 5 6 cyl - 6 One plug for each cylinder fire.
Place a drip pan beneath your 1995 Chevy Corsica oil pan. Remove the oil pan plug. Allow the oil to completely drained out. Replace the oil pan plug to its original position. Fill the motor with oil.
On the bottom of the motor.
Place something to catch the engine coolant beneath your 1990 Chevy Corsica radiator. Remove the radiator drain plug with a 9/16 ratchet. The engine coolant will drain out.
Likely needs a tune up. Replace all spark plugs, plug wires, distributor cap (if it has one) and air filter. If it still runs rough you will have to go to a mechanic.
There is no spark plug cap located on the 1993 Chevy Blazer. The spark plug gap for this vehicle varies depending on the type of spark plug that is used. The OEM spark plug gap for this year is 0.040.
AnswerThe spark plug gap is .035 on a 1993 GMC 350 TBI.
.045
NO. the wireing harness is different for the 4L80E.
Disconnect the battery, remove the spark plug cables and boot covers, remove the old spark plugs. Next, put in the new spark plugs, replace the boot covers and cables and reconnect the battery.