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280zx turbo distributor rotor imbalance?


HowlerMonkey

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I was spinning a 1983 280zx turbo distributor with my fingers doing some checking over on my L28et on a M30 ecu and noticed the entire distributor shook like crazy from the offset weight of the rotor.

 

It looks like an aftermarket rotor so I was wondering if all the 280zx turbo distributor rotors lack the rear facing "counterweight" or do I just have the worst possible rotor in this car?

 

I just don't remember and have no other 280zx turbo rotors to compare it to but I cannot imagine that kind of imbalance is good for the distributor.

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Yeah.......I spun it with rotor off and no shake.

 

It really shakes big time if you get a good spin from your fingers.

 

I'm doing a search on this part as advertised by every manufacturer but all look like this so far.

 

The imbalance is obvious from the pic.

 

Good thing the distributor spins at half crankshaft speed.

 

f202018360dai.jpg

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