Vacuum Pump

Unfortunately the engine isn't all that well sealed, and even with that big pump I'm only pulling about 2.5 inches of vacuum during the pull. I'm sure it helps, but I think there's another 20HP when I get the crankcase sealed up and I can get 12-15 inches of vacuum like I had planned.

Jay Brown
1968 Shelby GT 500 Convertible, 492" 667 HP FE
1969 R code Mach 1, 490" supercharged FE, 9.35 @ 151.20, 2007 Drag Week Runner Up, Power Adder Big Block
2005 Ford GT, 2006 Drag Week Winner, 12.0 Daily Driver
1969 Ford Galaxie XL, 460 (Ho Hum....)
1964 Ford Galaxie 500, 510" SOHC