hiii\n\ni own a 1992 9c1 caprice 5.7 v8 350\n\n50 000 miles \n\n\n.... last week i add GAS.. and the car stayed stoped for 4 days... now it make "stutters" ...cough. when i accelerate it, it doesnt die but it lose power....\n\nexemple: the RPM go up and down between 1000 and 1500 rpm...\nis it bad quality GAS? remembering in my country the GAS is common poor in quality... or... it a problem with the engine\n\n\nhelppppppppppppppppppppppppp\nwhat??????????\/\n\n\nwater?! :\/\nis better i dry the tank \n\nor complete the tank with PODIUM GAS of petrobras and 2 bottle of STP octane booster \n\n????