It's Miller Time
The Millermatic DVI has a 30-175-amp operating range. It offers an output of 90 amps at 20-percent duty cycle while operating on 115 volts (the same as the Millermatic 135), and an output of 150 amps at 40-percent duty cycle while operating on 230 volts (the Millermatic 175 provides 130 amps at 30-percent duty cycle). The 115 VAC input offers welding capabilities of 22-gauge materials up to 31/416-inch thick, while the 230 VAC input provides the ability to weld materials that are 22 gauge up to 31/48-inch thick. For more information, contact Miller Electric Manufacturing Co., Dept. CCT, 1635 W. Spencer St., P.O. Box 1079, Appleton, WI 54912; call (920) 734-9821; visit www.millerwelds.com.
32-Valve Big-Block Chevy Heads
Valley Head Service offers 700 streetable horsepower out of a big-block Chevy on 91-octane gas, 10.5:1 compression and flat-top pistons utilizing 32-valve heads on a normally aspirated engine. Achieving this impressive power rating comes from an engine equipped with a custom-ground roller camshaft and matching roller lifters, pushrods, rocker arms, matching valve covers, a four-barrel aluminum intake manifold, and exhaust header flanges with 3-inch tube extensions. For more information, contact Valley Head Service, Dept. CCT, 19340 Londelius St., Northridge, CA 91324; call (818) 993-7000; visit www.valleyhead.com.
Dual Quads
Performance Carburetors has just released their new dual-inline Big M 750-cfm and 950-cfm vacuum secondary carburetors. These carburetors are designed for OEM or aftermarket dual Holley four-barrel-type manifolds, including tunnel rams and tight clearance applications. Also included are quick-change vacuum secondaries with equalization ports, high-flow needles and seats, power-valve savers and non-stick gaskets. For more information, contact Performance Carburetors, Dept. CCT, 1408 S. Grove Ave., Unit B, Ontario, CA 91761; call (909) 673-1080; visit www.performancecarburetors.com