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viberation

Old Feb 2, 2012 | 09:33 PM
  #1  
lazey8's Avatar
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From: ky
Car: 1989 Trans am
Engine: LB9
Transmission: auto
Axle/Gears: 2.75
viberation

Hey guys I have. 89 camaro with the 2.8 the engine is making a vibration at around 2500 rpm it is not a miss fire what could it be and please tell me its not internal
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Old Feb 2, 2012 | 09:36 PM
  #2  
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From: ct
Car: 84 Trans Am
Engine: Turbo 301
Transmission: T-5
Axle/Gears: 3.73
Re: viberation

Does it get worse with higher RPMs? Bad harmonic balancers cause vibes, as do cracked flex plates. Hope you get an easy one.
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Old Feb 2, 2012 | 09:39 PM
  #3  
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From: ky
Car: 1989 Trans am
Engine: LB9
Transmission: auto
Axle/Gears: 2.75
Re: viberation

Yes it does
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Old Feb 3, 2012 | 03:47 PM
  #4  
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From: ct
Car: 84 Trans Am
Engine: Turbo 301
Transmission: T-5
Axle/Gears: 3.73
Re: viberation

How did the symptom occur? Was it progressive, or did it happen overnite? How's your oil pressure? (You're sure it's not ignition?).
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Old Feb 5, 2012 | 01:39 PM
  #5  
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From: ky
Car: 1989 Trans am
Engine: LB9
Transmission: auto
Axle/Gears: 2.75
Re: viberation

Originally Posted by tajoe
How did the symptom occur? Was it progressive, or did it happen overnite? How's your oil pressure? (You're sure it's not ignition?).
Yeah I'm sure it only does it when the belt is on
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Old Feb 5, 2012 | 04:28 PM
  #6  
tajoe's Avatar
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From: ct
Car: 84 Trans Am
Engine: Turbo 301
Transmission: T-5
Axle/Gears: 3.73
Re: viberation

Belt? What belt?
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