my buddies 94 caprice started 2 run like crap again. it has new opti msd wires plugs, water pump, ratiator, tstat, cooling temp sensors, fuel pump, fuel filter, ect. he got it running a few weeks ago and its been running good latly its been slowly getting worse. starting to skip and spudder. just like the opti is bad. but its brand new and it a ac delco. ive run out of ideas. if anyone is in the bridgewater area this weekend, it would be nice to get a third set of hands on it, maybe see something we dont... pm me if ur interested in lending a hand.. thanks,mike