Rear Vacuum Port
Drill Rear Tab in center with an 'R' Drill .339
Drill thru as shown
Using an 1/8 NPT Tap -Tread the Rear drilled thru hole

Install the 1/8 NPT Fitting into
threaded hole as above

Using a 7/16 wrench tighten fitting

For Use of the Pressure Relief Valve or other Vacuum needs
Do this when Installing larger fuel system. 4.3 & 5.7

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