| I have a 90 300zx N/A I am experiencing a loud noise when I am in high gear at low speed. ie. 4th gear at 45-50 or 3rd at 40 - When I am idle the sound is not there or in high rpm in gear. I thought it was the U-joint in my driveshaft so I replaced a Z1 Platinum 1 piece and the noise is still there. Any ideas?* Please let me know.
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