Ignore the comments regarding the diaphragm , the reason it's crumbling is regardless of which ball I choose, when inserted - plugs the orifice. This is why it's unable to pass air properly and is causing this crumbling effect. Essentially I'm pulling rod down and orfice is plugged. I guess i need to locate the right ball system for this carb.
I was hunting down google pictures. I believe this link is what my early model 3310-3 most likely came with.
https://www.google.ca/search?q=vacuu...YkPE7H3C_LpnM:
Have a look.
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69 Gto, 390 posi gears,th400 w/jim hand converter/406 pontiac/#64 HEADS/ 10:1 compression/ 190 PSI with/ TRW 160 thou domes / hooker headers 1 7/8, PRW 1.5 rockers, 405 Crower Springs, Holley 750 vac with proform upgrade, Performer RPM on points / 284 H Single Pattern Crane
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