I'm not sure 'vibration' is the right word. Let me describe what's happening.
My 352 Cruise-o-matic 'Bird feels like the engine is off balance under load. Rev'ing the engine in Park or Neural it's not real noticeable, but under load when accelerating the whole car shakes like someone clamped a weight on the side of the drive shaft. Disconcerting to say the least. No shake in the wheel, it goes away at cruise speed or while coasting.
Up until now, I've had no problems with the drive train to speak of and I've done nothing to it since I got it 4 years ago. The odo shows 51K, but I'm pretty certain it's 151K. The only things I've done to the engine since I got it is change the plugs & wires, install Petronix & a Petronix coil, change the radiator and heater hoses, change the radiator cap and thermostat and replace the leaky fuel pump this spring.
I haven't touched the tranny at all and it shift good and hard, even would chirp the tires into second gear with the old skinny black walls that were on it.
I haven't looked into it yet, I'm not sure what to check. Universal joints? Engine miss? What else??
My 352 Cruise-o-matic 'Bird feels like the engine is off balance under load. Rev'ing the engine in Park or Neural it's not real noticeable, but under load when accelerating the whole car shakes like someone clamped a weight on the side of the drive shaft. Disconcerting to say the least. No shake in the wheel, it goes away at cruise speed or while coasting.
Up until now, I've had no problems with the drive train to speak of and I've done nothing to it since I got it 4 years ago. The odo shows 51K, but I'm pretty certain it's 151K. The only things I've done to the engine since I got it is change the plugs & wires, install Petronix & a Petronix coil, change the radiator and heater hoses, change the radiator cap and thermostat and replace the leaky fuel pump this spring.
I haven't touched the tranny at all and it shift good and hard, even would chirp the tires into second gear with the old skinny black walls that were on it.
I haven't looked into it yet, I'm not sure what to check. Universal joints? Engine miss? What else??
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