first off, car is a 1994 camaro z28, lt1, m6, about 150k.
when ever i fire it up, it misfires and runs rough until it warms up a little bit. even after its been warm and i turn it off and then back on, it does it again for only like a minute. i also notice that if I'm revving the engine up high when accelerating, it will do it when its around redline. optispark was replaced not too long ago, I'm thinking i just have a bad plug wire?

any input is appreciated!

 

When were the spark plugs last changed?

 

same time the optispark was, probably like 20 to 30k ago

 

sounds like a good time for plugs and wires. do you know what brand of opti was used?

 

i don't know what brand opti was used. ill try the plugs and wires, not looking to do an opti haha

 

if you have stock exhaust manifolds I'd rather do the opti 3 times than try and replace plugs

 

True that!

 

its got headers on it, ill start with plugs and wires and see how it goes

 

21 Piece SAE/Metric Go-Thru Socket Set


makes taking out #6 and #8 a breeze

I was going to get the set at Sears for around $60 but saw this at HF a few months back and bought it. So far so good and it hasn't broken