Lt1 tune up
Your "Opti Spark" aka distributor is behind water pump if that is what you mean. There are 3 bolts holding it on. pull the plug wires, top electrical connector and the 2 vacumn line off and remove the 3 bolts and the Opti comes off
might want to go get a Haynes Service book for your car at most auto part stores and read
Also, if you're yanking wires from the opti be sure to label them.
You should be able to access the spark plugs on the drivers side fine but the #8 plug is the pain, it's been too long since I've replaced mine to remember what the easiest way to access it is.






