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odd vibration

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Old Dec 2, 2001 | 08:58 PM
  #1  
84Camaro305's Avatar
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From: Denton, Texas
Car: 1989 Pontiac Firebird
Engine: 305 TBI
Transmission: T-5
Axle/Gears: 3.23
odd vibration

When I rev my car up (or just drive), when I get between 1,000 and 1,200 rpms (usually happens close to 1,500) the car starts vibrating a lot. It's only started happening the last few days. It happened the day before I found out I had no ECM and I put a new ECM in. It had no ECM for at least 2 months that I know of before that.
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Old Dec 2, 2001 | 11:15 PM
  #2  
84Camaro305's Avatar
Thread Starter
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Joined: Nov 2001
Posts: 160
Likes: 0
From: Denton, Texas
Car: 1989 Pontiac Firebird
Engine: 305 TBI
Transmission: T-5
Axle/Gears: 3.23
Just getting this back up to the top...it'll end up fading from the board if I don't, and I don't want to re-post it.
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