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GreekStyler

240z won't pass 90 mph

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Hello Guys,

 

I need you  help, because my 1970 240z does not pass the 90 mph and I don't know why.

 

It is the same thing if I go with third gear and want to pass the 90 mph or the 4 gear.

 

It feels like it is stopping to give enough power to the spark , so the Z can't pass the 90 mph.

 

It feels like an mph limiter, but I haven't see anything like this in the car.

 

I have changed spark cables, spark plugs, distibuter cap and rotor, ignition coil and all the resistors, battery.

 

Sorry for my bad english.

 

EDIT:
 
The problem has gone even worse.
Now when the car get hot it misfires badly.
When the car is cold it runs perfectly.
 
Anyone an idea ?
 
 
EDIT 2 :
 
Now I have changed also the whole distributor but it still has the same problem.
The car does not pass 90mph.
 
Can anyone help me please?
 
 
EDIT 3:
 
Problem solved. It was the fuel filter.
Edited by GreekStyler

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