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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 05-30-2009, 02:30 PM   #1
Bigsyke
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Maybe you have an oil restriction somewhere? Are you sure its an internal knock? what kind of mounts do you have? I would start from the basics on everything, Go through every bolt on the car and recheck the torque. Check and see if the engine isnt vibrating against something that may resonate like an internal knock.

Then check your oil, filter...drain the oil on a super long plastic container (storage containers at target) to see if there is any shavings, Id suggest in a Magnetic drain plug. Check compression, leakdown, pressure test the radiator etc, check timing. Maybe try a clean/rinse cycle with a bottle of AutoRX to see if compression changes.
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Old 05-30-2009, 06:00 PM   #2
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Maybe you have an oil restriction somewhere? Are you sure its an internal knock? what kind of mounts do you have? I would start from the basics on everything, Go through every bolt on the car and recheck the torque. Check and see if the engine isnt vibrating against something that may resonate like an internal knock.

Then check your oil, filter...drain the oil on a super long plastic container (storage containers at target) to see if there is any shavings, Id suggest in a Magnetic drain plug. Check compression, leakdown, pressure test the radiator etc, check timing. Maybe try a clean/rinse cycle with a bottle of AutoRX to see if compression changes.
no im pretty sure it is an internal knock i checked to see if it was anything small like that but nothing plus the car was running fine with no noises at all. i have the r32 crossmember on it the motor doesnt even move enough to be bangin on something.

thanx for the advice man im gonna re check evrything just to make sure
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Old 05-30-2009, 06:27 PM   #3
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s13 jose

that sucks because that shits fast!!!!!!! from experience

no pignose lip he sold it sorry bro
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Old 05-30-2009, 07:48 PM   #4
91drftr
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that sucks because that shits fast!!!!!!! from experience

no pignose lip he sold it sorry bro
yup thats why im hoping i can fix it soon
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