[Gmecm] 7747 High BLM at idle

[DV Fagan]

Charles,
What is the manifold vacuum at idle?  You might check
your vacuum lines.

--- Charles McDowell <charles at taildragger.info> wrote:

> My truck has been running okay, but I finally
> decided to get around to
> gathering some more data to fine tune things.  I
> hooked up winALDL and drove
> around for a while.  As I drive around, all the BLM
> table values in winALDL
> show 124-133 or so - not bad really.  The weird
> thing is that when I pull in
> someplace, put it in park and idle it, the idle BLM
> cell (800/30 in winALDL)
> just climbs and climbs up to almost 150.  That same
> cell shows something
> like 133 if I look at it before starting to idle.
> 
> Any ideas what this could be, or where to even start
> looking?  It's a 7747
> for a SBC 350 with automatic, converted from carb.
> 
> TIA
> 
> 
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> 



		
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