I think my old 87 Astro jumped time . I remember a there was a way to use a timing light to confirm this but I don't remember the correct procedure . Any one help me out here ? Thanks .....
4.3 Timing Chain ?
Jul 09, 2003
1 Replies
First reply
on the emissions sticker, it should tell you what to do to check/adjust timing. I think there's a wire you have to break then check & adjust.
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