Chevrolet Repair: 95 Monte Z34 3.4 V6, magic 8 ball, timing belts

Question
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Followup To Do the 2 cylinders I refered to fire off the same coil pack? also the plugs & wires were replaced last weekend. Thanks
Question -
I have a 95 Monte 3.4 w/78'000, recently it developed a misfire @ around 35-40 mph in 3rd. gear, the car bucks or lunges. I have replaced the plugs w/a set of bosch double platinums & a set of 8mm wires, the car seemed to run better until a few days later when it rained, then the problem reappeared only a little worse. I was told it coulod be one of the coil packs or the ignition control module, is the true? Also when the old plugs were removed the 2 plugs on the front of the motor (front & rear banks closest to the timing belts) were a different color then the other 4, they had sort of a gray look to them. Any suggestions? Thanks, Joe
Answer -
replace the all the plugs to new ones and repalce the coil packs.  and it might be the igintion module too. grayish? hmm not normal but what would cause the to be grey? oil? improper exhaust valve? sticky vavles? hmm look into al that and get back to me.. i will be consulting my magic 8 ball for further instruction..

Answer
it entirely possible, on 4 cyl it s 1 and 4  then the second pack is a  2 and 3. so it possible but i have rarely seen only one pack replaced, but it can be done. but i could wager a guess about the igntion getting damp.  hmmm.. still looking into that greyish thingy.. let me know.