>I have a 94 Dakota 318 that is making a noise which sounds like:
>
> a. preignition, or
> b. an exhaust leak off one of the manifolds
>
>I've checked around while it's idling and can't seem to pinpoint the source.
>When I accelerate, it acts like preignition. I'm using 87 octane which the
>manual says is OK. These things are supposed to have computer controlled
>timing. Do I need to set a base timing? Should I use higher octane gas?
>How could I find an exhaust leak?
>
>Any and all comments welcome. I'm in digest mode, so if you send your
>messages directly to me, I will be sure to post a synopsis of the answers for
>those of you who would like to know.
>
>Thanks,
>
>Steve
>
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