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Noise from top of engine????

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Old Feb 2, 2003 | 10:38 PM
  #1  
86TransAMsbc305's Avatar
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Joined: Nov 2002
Posts: 240
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From: Bush, Louisiana, USA
Car: 1986 Pontiac Trans Am
Engine: LG4 305
Transmission: 700R4
Noise from top of engine????

It is a weird rattling noise coming from the top of my engine, but only when I kick it into the passing gear or when the engine is in a bind, but mainly when I kick it into passing gear.....does anybody know what it is? I've been told it might be the lifters..???
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Old Feb 3, 2003 | 07:15 AM
  #2  
RB83L69's Avatar
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Joined: Jul 1999
Posts: 18,457
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Sounds like spark knock. It's not the lifters, or the valves. I have no idea where people got that idea but it just refuses to go away.

Try a better grade of fuel, or backing off your timing slightly.
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