2 pumps on 1 bulkhead? Ok or no?

[Delphinus]

I have a bad feeling I won't like the answer to this, but I'm gonna pose the question anyhow in an effort to be optimistic.

Can I put a "T" on a bulkhead and run two pumps off the same bulkhead?

Or will the pumps "fight" each other too much for suction?

I really would prefer to avoid drilling for a second bulkhead, not that I don't mind drilling the glass but more out of space considerations, I don't really have a spot for a second bulkhead, short of patching over the existing hole and redrilling both holes. The whole idea just totally deflates my balloon. I'm tempted to try it and see what happens but the cost of 2" PVC bits (I've got a kick arse 2" true-union valve for blocking off the bulkhead side so I can do things like PumpMaintenance(tm) down the road, but the sucker is HUUUUUGE .. and .. um .. expensive. So I don't want to screw this up and have to buy a new one.)