Echlin VC-1765 Advance for Tach Drive Distributor
I'm finally getting around to restoring my tach drive distributor.
I recall in a previous post JohnZ and BarryK described the Echlin VC-1765 vacuum advance can.
This unit starts to advance at 5-7" of vacuum and pegs out at 11-13" of vacuum. This is about 2" below the vacuum that my motor is producing - and should add 16º of advance at max. This should work just right with my cam.
I picked one up today at NAPA, got home and noticed although the box is labeled VC1765, the mounting bracket is stamped, "B26". I believe this is supposed to be stamped "B20". Can someone confirm, please?
1969 Corvette Convertible (build date December 14, 1968), L-36 427, 390 hp (3963512 block; 3964290 heads), Muncie M-21, Monza Red, Black Top & Black Interior. VB&P Gymkhana 550 lbs/inch coil springs, Bilstein Sport shocks. In progress... full body-off restoration.
1972 Camaro Z-28, Rally Sport, L-46 350/350, M-21, 3.73:1 Rear, Cranberry Red/Black Stripes. Edelbrock Performer RPM intake; Performer RPM aluminum heads; Sealed Power Performance camshaft (dur 220/231, Lobe Sep 110, Lift .468/.480).
Thank you John.
Originally Posted by JohnZ
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