Vacuum Relief Valves High-volume Fuel Pump Small-block Head
Moroso has released two The BG 400-2 fuel pump is CFE’s newest small-block head is
vacuum relief valves: gland designed for high-volume based on the popular but limited GM
seal (-12 delivery for drag race or other small-block 2.2. The mechanics of the
AN short-duration competition. An CFE small-block 4.1 head very closely
female) externally adjustable bypass (16- resemble those of the GM 2.2,
and face 25+ psi) allows pressure to be including the mirror-image intake port
seal set at the pump. A 12 AN feed layout. This design favors a single four-
(face to line and 8 AN return line to cell barrel carburetor because it targets the
face are required. For information, runners toward the center of the engine, which improves power by
through call 706-864-8544 or log on to equalizing the intake charge across all eight cylinders. The 4.1 features
sheet www.barrygrant.com. an expanded range of available guide locations, which allows for an
metal). extremely diverse range of CNC port programming and added support
The for larger valve combinations. This increased flexibility allows CFE to
vacuum continually develop ultracompetitive CNC porting solutions for a vast
relief array of small-block displacements ranging from less than 300 cubic
point is adjusted by turning inches to more than 450 cubic inches, and because the 4.1 was re-
the built-in adjustment knob developed from an industry mainstay, there are plenty of race-ready parts
to get the precise amount of like rocker systems and intake manifolds already available from various
vacuum desired. Tightening aftermarket suppliers. Developed for hard-core racers, the 4.1 is one of
the integral locknut keeps the CFE’s most versatile racing heads. For information, call 586-773-6310.
adjustment locked until the
next adjustment is needed.
These vacuum relief valves Aluminum Work Center
can be disassembled for easy
cleaning and maintenance and The newest addition to Moduline’s Pro II line of aluminum storage cabinets, the Work Center features a
will work with any vacuum 1 3/4-inch Bally Block Co. butcher block workbench and high-fashion legs for superior support.
level. They are made of 6061 Available in stock 72- and 96-inch lengths, the Work Center’s clear sealed anodized frames come in red,
aluminum and have a smooth black, white, or blue center panels to match the Pro II cabinets. Combine it with other Moduline
finish. For information, call cabinets or add Moduline’s new under cabinet mobile tool box(s) for a complete work center. For
203-453-6571. information, call 888-343-4463 or log on to www.modulinegarage.com.
THURSDA June 24 Y,
Gates Open . . . . . . . . . . . . . . . . . . . . . 9 a.m.
WOODBURN, OREGON Test & Tune . . . . . . . . . . . . . . . 10 a.m.-4 p.m.