Bogging Down Exiting Corners - Weber DGV Accel Pump?

During our last few races (ok, all of our races), I've noticed the ol' chap tends to hesitate when exiting corners. Up till now I've assumed that's just the carb being slightly dirty or temporarily starved when stomping on the gas (right after holding your breath through the tight corners).

It's been nagging me for a year now; something's wrong, but not sure how to troubleshoot it without having someone hang on the hood while we drive around the track?

Then I stumble across this little gem of a description from the Pegasus Auto Racing Supplies catalog:

Accelerator Pump Diaphragm Assembly, Weber 32/36 DGV

 
If your car bogs down exiting corners, your accelerator pump may not be pumping! When the throttle is opened all the way from idle, the accelerator pump should deliver a shot of fuel directly into the carburetor throat. If this shot is not visible (with the engine off), the diaphragm may be ruptured.






You know what today is? DAY I GOT COOKIE!!!

Problem may still be elsewhere, but boy does that description fit! With all the crap and junk and dirt and bits and crud and grime and filth and rubbish and mud and garbage we pulled out of the tank and carb and filters at 24 Hours of LeMons Summit Point Capitol Offense 2010, it is very possible this contraption is hobbled.

Thanks Pegasus for the schoolin'. Order placed.

[UPDATE 2012-04-08] Either we don't have a Weber DGV, or Pegasus sent us the wrong part... either way, it don't fit no way no how. We need the part shown in photo above; the part we received was not 'square' and the brass pin in the middle was mush skinnier and was not spring loaded.

Bob found and took out the old part, and it looks like there could be a little leakage around the circular shape of the rubber is.

We put the original piece back in until we get our hands on the unobtanium accel pump...