DOHCD15 Posted February 24, 2010 Share Posted February 24, 2010 my 71 240z is using the 81-83 zx dizzy with the E12-92 module for about two months when all of a sudden i noticed a sudden loss in power after an engine swap. i removed the line for port vacuum attached to the dizzy and sucked on the hose, and no plunger activation. when the engine was idling i again removed the port vacuum line and sucked on the hose and heard no change in idle speed. help now im only limited to 15 or 16 degrees of timing and i want more. i have another 74-79 dizzy that i could take apart and maybe replace the dashpot with, or if i buy an msd 6al could i use the it to bump up the timing to about 33-34. Quote Link to comment Share on other sites More sharing options...
Heathhh Posted February 25, 2010 Share Posted February 25, 2010 Correct me if i am wrong, but don't you need a vacuum pump gauge to test that, and not your mouth because you don't have enough suction power with just your mouth..? Quote Link to comment Share on other sites More sharing options...
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