Glowing Exhaust Manifolds
Hello, I've read a lot of posts here over the past 4 months and so I thought I'd chime in for some possible RVer insight. I drive a 34' Winnebago Elante year 1992 with a 7.4L Chevy. Five months ago I ...
Forum Discussion
ddndoug wrote:
kaweh - Have you tried "reading" the spark plugs to see if the air/fuel mixture is too lean? I'm guessing you already know this, but.... Are you disconnecting the timing advance wire while you are setting the base timing?
Doug
Yes exactly. timing is correct. I don't know about that spark plug reading. We have a snap on computer and so the GM shop foreman agreed to come on a test drive with me and do some data logging to what is happening at the moment they start to glow. At idle he said it was running a bit rich. not too much though he said. he wasn't worried about it. But I believe what is happening up a hill it's leaning out. we'll see early next week.
