I've never cut one of these pumps apart. There are the 2 little holes in the cast part above the crimp that I assume are there to allow the gas to leak out in the event of a diaphragm failure and to prevent the fuel from reaching the lube oil.
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"Knowledge is good" Emil Fabor
67 L/78 Camaro SS/RS H-H,1W,2LGSR,3SL,4K,5BY. (Sold)
70 L/78 Nova M-21,Black Cherry,Sandalwood Int.
09 Pontiac G8 GT Premium,Sport,Roof. Liquid Red.
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