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06-14-2018, 11:52 AM
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#1 |
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Registered User
Join Date: May 2011
Location: Goliad, TX
Posts: 672
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Driveline Vibration
1990 Suburban, 3/4 ton, 4x4, 2 in lift, 3.73 gears
I've got a driveline vibration that starts at 57 mph and partially smooths out at 64 mph and faster. The vibration does not vary with load nor does it change when taking it out of gear. The vibration used to not start until reaching 62 mph but that speed that it starts keeps decreasing. Here is a photo of what I've got. The driveline is only 35 inches on this vehicle because of the long overdrive manual transmission combined with a Gear Vendors overdrive. I measured some angles as indicated on the photo. 
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1990 ¾ ton 4x4 Chevy Suburban -Cummins Diesel - 12 valve - factory rebuilt -6 speed bullet proof manual transmission - NV5600 -Gear Vendors Overdrive - HX35 Holset Turbo -NP205 iron transfer case -3.73 gears -2" Lift |
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