"I PURCHASED A 1983 STINGRAY W
"I PURCHASED A 1983 STINGRAY WITH A 3.0 MERCRUISER, AFTER REPLACING STARTER AND PLUGS I GOT IT RUNNING SMOOTH OUT OF WATER, TOOK IT ON FIRST WATER RUN AND WHEN I THROTTLE UP IT STARTES MAKING A LOUD PINGING OR KNOCKING NOISE FROM THE ENGINE AND LOSES POWER AT TOP END, IM GUESSING VALVE PROBLEM OR NOT FIRING ON ALL FOUR, NOTICED A LOT OF GOOD EXPERTS ON HERE AND WANTING TO KNOW ANY SUGGESTIONS BEFORE I GO GET RAPED AT A REPAIR SHOP, NOT SURE OF WHAT OUTDRIVE I HAVE YET EITHER BUT WILL SOON."
"I PURCHASED A 1983 STINGRAY WITH A 3.0 MERCRUISER, AFTER REPLACING STARTER AND PLUGS I GOT IT RUNNING SMOOTH OUT OF WATER, TOOK IT ON FIRST WATER RUN AND WHEN I THROTTLE UP IT STARTES MAKING A LOUD PINGING OR KNOCKING NOISE FROM THE ENGINE AND LOSES POWER AT TOP END, IM GUESSING VALVE PROBLEM OR NOT FIRING ON ALL FOUR, NOTICED A LOT OF GOOD EXPERTS ON HERE AND WANTING TO KNOW ANY SUGGESTIONS BEFORE I GO GET RAPED AT A REPAIR SHOP, NOT SURE OF WHAT OUTDRIVE I HAVE YET EITHER BUT WILL SOON."