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The age-old debate between Holley Vacuum Secondaries vs Mechanical Secondaries gets put to the test!!! We test a pair of Holley 1850's that have been dialed in AGAINST the Famous pair of Holley 4224's 660 Center Squirters that have been modified by AllState Carburetor in NY with Annular Boosters and a bag of other tricks!!! Please like, share, and subscribe... and Stay Tuned as we put these Carbs to the test!!!! Dyno Time!!!!
#Holley #Tunnel Ram #Allstatecarbs
Special Thanks to
Joe Davis, David Vizard, Micah Monteleone, Eric, and Lane Hester, Tony Brown of Union County Dragway, and Jim from Allstate Carburetor