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great site guys. i noticed a lot of good posts from ranger. good job! bought my '92 deville last year with 50k. it now has 72k. love the car. runs great, but it makes a pinging sound kind of like a spark knock sometimes. i've given it plugs, wires, cap, rotor, fuel filter, fuel pump. i run premium fuel and the car has plenty of power. i'm just wondering what this could be. I've also run some Marvel in the oil before changing in case it was the lifters. any ideas? thanks:cool2:
 
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