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Re: 89 Pontiac 6000 2.5/4 --- Somebody give me a push....
Posted to Technical Discussion Forum on 3/8/2004

Does this engine have the typical 2.5L knock. You know, it sounds like a deisel. That is caused by play in the cam gears or chain, this engine has roller rockers which cause very high loads on the timing components.

I pulled my hair out trying to fix a Code ... Login to read more.