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F-ONE · 08-31-2021, 12:09 AM

I got it out. Blowing in that welch plug hole with the advance hole plugged. Air blows out the bottom of the distributor. Pulling a vacuum...air sucks in through the bottom of the distributor. It appears that the vacuum stuff has been removed, if it ever had any.
I guess the best bet is to see if it will work as a mechanical only unit.

08-31-2021, 12:09 AM	#11
F-ONE Member Join Date: Aug 2020 Location: Heart of Dixie ( Alabama) Posts: 63	Re: Help with old Mallory zb 275 I got it out. Blowing in that welch plug hole with the advance hole plugged. Air blows out the bottom of the distributor. Pulling a vacuum...air sucks in through the bottom of the distributor. It appears that the vacuum stuff has been removed, if it ever had any. I guess the best bet is to see if it will work as a mechanical only unit.