Michael,
FYI, the propellant in WD-40 is propane.
Bud Krueger
Michael Graziano wrote:
> OK. Now why didn't anyone suggest the Native American Carburator Dance.
> And to think it was that simple all along.
>
> Seriously though. I think I've limited it to either a carb issue, or a
> vacuum leak. I retard my timing back to spec (10 BTDC), and started
> checking for leaks again with starting fluid. Still nothing showing. But
> when I pull the choke out slightly, the backfiring stops. Of course, it
> began running too rich that way. So I'm inclined to believe that the car is
> actually running too lean. Now whether or not it's from the carb, or the
> intake, I'm not sure. Tonight I'll try leak testing again with a small
> propane torch (yes, VERY CAREFULLY).
>
> I'll keep you posted.
>
> Michael
>
> '78 Midget
> '87 300zx
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