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How do you replace vacuum advance on hei distributor Chevy 350?
Wiki User
∙ 14y ago
-Disconnect vacuum hose at old vacuum advance "can".
-Remove distributor cap - wires can usually be left attached to cap, but red wire to cap may have to be disconnected to manipulate cap away from disty.
-Remove ignition rotor.
-Remove two ( usually ) screws attaching Vac. Advance can to distributor.
-Carefully disengage vac. advance can lever from advance mechanism on disty.
-Remove can.
-Install new can;
manipulate advance can lever ( rod ) into nub on advance ring before tightening screws holding down advance can onto distributor.
-Install rotor.
-Reinstall disty. cap - making sure 4 hold-down screws are seated securely.
-Re-connect any wires disconnected from cap.
-Re-connect vacuum line to advance can.
Drive happily, with more power on hills.
-J.Snick -- Question Authority --
Wiki User
∙ 14y ago
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