bad vibration down on power
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Junior Member
Joined: Sep 2013
Posts: 29
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From: Franklin NC
Car: 89 Trans-am
Engine: 305 tpi
Transmission: T-5
Axle/Gears: stock
bad vibration down on power
So here's the deal Saturday morning my car which is an 89 T/A 305 5 speed with an Orielly crate in it that about a year old randomly started running ruff. In 1st through 4th it feels like a very light miss and kinda less power than it used to have if I shift to 5th on the highway the whole thing shakes like its trying to fall apart. It also sounds like there is a compression leak. However in nutreal just revving it everything sounds fine. Does anyone have any ideas? Because
I'm clueless.
I'm clueless.

Joined: Sep 2005
Posts: 28,022
Likes: 2,496
Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: bad vibration down on power
Sounds like one cyl has an ignition miss.
Check the plugs, wires, cap, & rotor carefully.
Check the plugs, wires, cap, & rotor carefully.
Thread Starter
Junior Member
Joined: Sep 2013
Posts: 29
Likes: 0
From: Franklin NC
Car: 89 Trans-am
Engine: 305 tpi
Transmission: T-5
Axle/Gears: stock
Re: bad vibration down on power
I've checked the plugs and wires but not the cap and rotor. Thanks for reminding me of those.
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