> Did the original story also mention that you'll probably have to seal up
> the exhaust for the shop vac to build enough draw to suck fluid through
> cracks? At least one valve in that engine will likely be open to the
> exhaust no matter what position the crankshaft is at. Don't forget any
> EGR system on the engine - gotta plug that up too. Not just plug, but
> seal completely airtight. Are your valve covers & gaskets in minty-mint
> shape and seal 100%? I have to wonder how strong a shop vac you need for
> this to even come close to working ...

If the gap is so big that capillary action alone won't pull the super
glue in where you want it, then the gap's too big to use super glue to
repair.

I agree, JB Weld is a better idea for this application.