Al-
Assuming the vanes in the supercharger are "free" to turn, starting and
running without the belt should not be a problem.
The vanes will spin freely with engine vacuum and air "flow" through the
carb.
Just make sure you oil the vanes
(at least to some extent) while
running without the belt as they are still
turning in the blower bore.
My gut feeling is your starting problem may have nothing whatever to do
with the blower at all.
Run the normal "checks" you would run for such a problem (timing,
correct ignition wire hookup, etc.) were you running normally aspirated.
You are very wise to run in the motor without the additional strain of
boost.
I am doing the same thing with my new
Rivergate 1293 motor "tailored" for an
eventual Judson blower installation.
In my case, I am using the regular SU
carb set-up for engine break-in as I do
not wish to add Marvel Mystery Oil to
the combustion chamber while I am breaking in the rings. This might be
counter-productive in this respect. We
want to remove as little metal as possible
but some metal must be removed obviously, or the rings will never
break-in!
Then again, whatever MMO is added should burn in the combustion process,
and considering your blower is more or
less just along for the ride at this point,
I think it is certainly safe to say a drop of
MMO every 8 seconds (instead of 4 to
5 seconds) should be more than sufficient
for vane lubrication considering "no load"
operation.
Incidentally, the free turning vanes in the
blower will also have a chance to "gently"
break-in against the bore of the blower
as they freely turn in "beltless" operation;
this can only be a "good thing"!
My engine is built to pretty tight tolerances but I feel 3,000 miles of
normally aspirated operation should suffice in allowing surfaces to
"mate
smoothly". The rings broke in during
the first 100 miles easy. All I experienced
was higher than normal water temps and
this "symptom" is already beginning to
disappear as I pass 600 miles of running,
though this particular engine's coolant
warm-up time is still very minimal - nice,
"tight" motor!!
Cap'n. Bob
'60 :{)
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