2500 rpm grinding feeling/sound
#1
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2500 rpm grinding feeling/sound
Right at 2500 rpms my car makes a grinding sound with or without the car being in gear. Not sure what it is, I did a new fuel pump w/ rewire and put on a differential brace before this problem came up.... any ideas?
#2
Racecar - Formula 2000
Sounds to me like something vibrating at a natural frequency that matches that RPM. Check all your heat shields, etc., to see if one is contacting something it shouldn't, especially in the area where you did recent work.
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Sounds like its underneath me and in the engine bay at the same time. At first i thought it had to do with the driveline since i stiffened up the diff. But like i said it does the same thing in gear or not.
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