Electrical - Vacuum Advance Units
Vacuum Advance Units
Electrical - Vacuum Advance Units
Vacuum Advance Units
Year Application Part Number Price 64-66 330, 400 all 20-228 14.75 67 400 2 bbl 20-230 14.75 67 330, 400 4 bbl 20-228 14.75 68 350 2 bbi 20-230 14.75 68 350 4bbl 20-232 10.75 68 400 2 bbl 20-230 14.75 68 400 4 bbi MT exc. UHV ignition 20-230 14.75 68 400 4 bbl MT with UHV ignition 20-232 10.75 69 350 2 bbl 20-232 10.75 69 350 4 bbl 20-230 14.75 69 400 2 bbl 20-234 15.75 69 400 4 bbl AT exc. UHV ignition 20-236 12.75 69 400 4 bbl MT all 20-232 10.75 70 350 2 bbl 20-232 10.75 70 350 4 bbl including W-31 20-230 14.75 70 455 all 20-238 16.75 71 350 all 20-234 15.75 71 455 exc W-30 20-232 10.75 71 455 W-30 20-234 15.75 72 350 all 20-234 15.75 72 455 exc W-30 20-232 10.75 72 455 W-30 20-234 15.75 73 350 4 bbl 20-238 16.75 73 455 all 20-228 14.75 74 350 standard ignition exc. California 20-240 16.75 74 455 w/o HEI or H.P. Ist production 20-228 14.75 74 455 w/o HEI or H.P. 2nd production 20-242 14.75 74 455 all with HEI 20-246 29.75 75 350 all 20-248 29.75 76 350 all exc California: 20-250 39.75 77 350, 403 all exc California 20-252 19.99
Adjustable Vacuum Advance Units
This kit lets you adjust both the vacume advance rate and amount
to obtain peak performance or mileage. Unit differs in appearance
from original.
Year Application Part Number Price 64-73 All AC Delco point type distributors 13-042 22.00 74-77 All with HEI 13-044 22.00
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