The grinding noise could be a rough brake system. Other than that, I have no clue. Run your fingers along the brakes WHEN THEY ARE COLD and see if you have scoring, gouging, warpage, or excessive wear.
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WizAire CAI w/9" K&N & HV3, 2.5" d/p w/h/f cat, Cobra CB, PowerSlot slots w/Hawk HPS, GR-2s, GMPP handling kit, NextLevel STBs, Pilot Sport A/S Plus tires.
98 L36/MM5
RaC