1985 Chevrolet Silverado vibration

1985 CHEVROLET SILVERADO
74,000 MILES • 7.4L • V8 • 2WD • AUTOMATIC
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BUBBAKEG
  • MEMBER
  • 10 POSTS
hi i have some kinda vibration in my truck i thought it was a miss in it but when you take off in it there seems to be a vibration for a few seconds then it stops and runs fine it only does it when your taking off in it and you can feel it when it stops doing it because it really smooths out and runs great with lots of power
Sep 10, 2014 at 12:35 PM
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SINBAD271
  • ✓Experienced Mechanic
  • 169 POSTS
Can it be felt in the steering wheel or the seat upon take off.
Sep 10, 2014 at 1:47 PM
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BUBBAKEG
  • MEMBER
  • 10 POSTS
yes it can it can be felt in both its very strange lol it only does it for a few seconds then you can feel it smoothout i thought it was a miss becouse one of the spark plug boots had a small tear in it and the spark was coming threw it and firing off of the exhaust manifold so i put some electrical tape around it and it ran fine then a few days later it startet this vibrating/miss thing its doing but i kinda figured if it was a miss it would do it all the time and not just a few seconds when taking off thank you
Sep 10, 2014 at 11:30 PM
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SINBAD271
  • ✓Experienced Mechanic
  • 169 POSTS
Its kind of hard to figure it out without seeing the vehicle. Is the check engine light on?
Sep 11, 2014 at 3:37 AM
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BUBBAKEG
  • MEMBER
  • 10 POSTS
its an 85 it dont have a check engine light has a choke and seat belt light is all
Sep 11, 2014 at 6:31 AM
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SINBAD271
  • ✓Experienced Mechanic
  • 169 POSTS
You may want to have it looked at . Its hard to pin point vibrations without actually being able to test drive the vehicle myself , you may want to try and better understand the type of vibration your feeling , check your engine mounts, u-joints,
Sep 11, 2014 at 11:49 AM
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