Check and recheck ALL your vacuum connections. One is not connected for
sure. Does it die out sooner if you try to give it gas to keep it going?
Yup, vacuum!
Hope this helps,
Jay

>Happy Saturday to all,
>    The following concerns a 82 Westy, but you water-cooled folks might be
>able to help too.   just got done installing and hooking up our rebuilt
>motor,  started on the third try!  But now the problem.....it starts but
>won't keep running more than 5 to 10 seconds.  It acts like it might not be
>getting fuel after that point, but I haven't checked that yet.  Any other
>reason this might be happening?  Could the ECU have gone bad all of a
>sudden?  Any and all comments would be appreciated!
>
>Thanks,
>Mark Sheflo
>82 Westy
>