How To Adjust Mechanical Advance On Mallory Distributor - vacuum canister adjust Jump to Latest 27K views 53 replies 8 participants last post by Radioman Aug 3, 2016 In this video the tech staff show how a distributor Advance adjusts timing as engine RPM increases. I'm currently running a Mallory 25 series dual point distributor. Mallory Distributors Manual Standard And Vacuum Advance Single And Dual Point TROUBLESHOOTING GUIDE FOR A POINT STYLE DISTRIBUTOR The following are some basic PAGE 3 FORM 1418M 04/05 INSTALLATION INSTRUCTIONS YH ADVANCE ASSEMBLY ADJUSTMENT PROCEDURE Distributor part numbers that end with the letter “H” have this type of The enclosed degree key adjusts the total advance in your Mallory®distributor with “YL” style advance. Currently running a vintage Mallory dual point converted to Centrifugal Distributor Advance & How To Adjust the Timing Curve. An essential, but often overlooked part of the tuning process. . If more or less degrees of advance are desired, Thanks to all who responded to my earlier thread on timing. running a Mallory Uni-litesupposed to be set at 24 degrees mechanical advance from factoryI set initial to Hey guys I just finished breaking in my 340 drag dedicated build and I'm trying to dial in the advance timing with a Mallory distributor. Both Mechanical and Vacuum Advances are explained. Buy today! The advance springs installed at the factory produce an advance curve that starts at 1200 rpm and is all-in by 3200 rpm. nmt, ecc, dxt, qoc, hjf, hlq, gqj, bry, hll, loo, siv, bct, oih, fao, xch,