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knocking noise...

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Old

Aug 18, 2008 | 08:47 PM

#1

Thread Starter

Senior Member

Joined: Jun 2008

Posts: 660

Likes: 1

From: Corning NY

Car: 86' IROC

Engine: 388

Transmission: Built 700r4

Axle/Gears: 3.08 non-posi

knocking noise...

It seems like the upper part of the engine is making a slight knocking noise...it only does it at an idle...its not a ticking noise like valves opening...it hasnt lost any performance from what i can tell...this has me baffled...ill be pulling the valve covers soon to see if i have a broken rod, rocker, ect....

thanks, Chas

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