ok, just wondering if this happens to anyone else. i have noticed this going on for about a month now, but it dosent do it all the time, and dosent necessarily go away when the engine warms up. when i go to stop i clutch in (5spd) and when i get to about 1500rpm the tach drops rapidly as i apply my brakes and as i come to a complete stop, it boggs down to about 400-500rpm then slowly goes back up to idle. it just happens out of the blue, and even when the engine is warm. even with the cluth in, it acts like the driveshaft is being slowed by a brake of some sort, but it cant by my discs, because the clutch is not engaged. any ideas?

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2011 Nissan Xterra Pro-4x

2007 Kawasaki Ninja 650R

1996 Mitsubishi Eclipse RS-NX 75 shot, AEM CAI, P&P t/b and intake mani-SOLD

1964 Buick Electra 225-all original, all power options, 325hp, 445ft/lbs tq