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The maximum speed of the 1975 Datsun 710 is 104 mph. The power of the engine is 100 hp.
The power of the engine and the maximum speed of the 1974 Datsun 260Z are 140 hp and 127 mph respectively.
The power of the engine and the maximum speed of the 1972 Datsun 240Z are 140 hp and 125 mph respectively.
96 hp is the power of the Datsun bluebird wagon 1978 engine and its maximum speed is 60 mph.
balance the engine
The power of the engine and the maximum speed of the 1975 Pick-up Datsun are 140 hp and 104 mph respectively.
Tthe power of the engine and the maximum speed of the datsun 1200 1972 is 83 PS @ 6400 RPM and 126.01 mph respectively.
50 kW (67 hp) is the power of the pick-up Datsun 1972 engine and its maximum speed is 71 mph.
There is not a lot of information to go on from the question as posted. When an engine is in proper operating condition, the spark plugs should not be "wearing out", on a regular basis. From the information at hand, I would suspect the wrong heat range plug is being used. Check to see what spark plug the engine manufacturer recommends for your engine.
No
Yes, fouled spark plugs can cause engine shaking, and loss or power. I'm not sure about knocking but I'd guess that too.
Bad spark plugs can have a variety of effects on the performance of your car's engine. Signs of bad spark plugs include a rough idle, engine hesitation, hard starting, check engine light illuminated with a DTC P0300 and reduced engine power.