8/8/03

DART'S IMPROVED 'BIG M' STROKER BLOCK

Richard Maskin's Dart Machinery has improved their popular "Big M" big block Chevy block by machining the pan rails and cylinder barrels for the additional clearance that engine builders require for big cubic inch engines using crankshafts with strokes from 4.375" to 4.500" and aluminum rods. The "Big M" blocks are available with deck heights from 9.800 inches up to 10.200 inches. Contact Dart Machinery Ltd., Dept. DRO, 353 Oliver Dr., Troy, MI 48084. Phone the Tech Dept. at 248-362-1188. Detailed specs for all products are available at www.dartheads.com.

TOP-SECRET STERLING FORMULA

One of the leading exhaust coating outfits is Jet-Hot Header Coatings. Jet-Hot Sterling, its standard product, is an aerospace-derived metallic-ceramic coating compound consisting of a proprietary, baked-on mixture of aluminum, ceramic, and sterling silver powder. The unique combo provides both high luster and good flexibility. The ceramic coating's ability to trap heat aids a marginal engine coolant system in a muscle car by reducing under hood temperatures. As installed in a real car, lowering the ambient temperatures could also allow a cooler, denser fuel/air charge to reach the combustion chambers, offering more power-making potential. It can also be used on exhaust pipes, mufflers, and even the catalytic converter. To learn more, call 800-432-3379.

NEW M-W C-CLIP AXLES FOR GM REPLACEMENTS

Owners of early Camaros, Firebirds, Chevelles, and Novas can now obtain heavy-duty replacements in the form of new MasterLine C-clip axles from Mark Williams Enterprises. M-W's p/n ML-200-788 axle is a direct bolt-in replacement for GM p/n 12398538. Engineered to maintain original GM dimensions and process parameters, the axles are induction hardened, feature a 100% machined shaft and precision hobbed splines. The M-W MasterLine axles have provisions for both OEM-style press-in wheel studs and -20 screw-in studs. For additional details call 1-800-525-1963 or visit www.markwilliams.com. A copy of the firm's catalog and a plastic gear ratio computer is yours by sending $5 to Mark Williams Enterprises, 765 S. Pierce Ave., Dept. DRO, Louisville, CO 80027.

PRECISION ROD BOLT STRETCH GAUGES AVAILABLE FROM ARP

Here's one item that every professional engine builder and serious do-it-yourself grassroots racer should have in his or her toolbox. A typical small block Chevy rod bolt (ARP #134-6003 for example) should be stretched .0063" to achieve the optimum torque load (roughly equivalent to 50 ft. lbs.). Torque wrench reading can vary by amounts up to 10 ft. lbs. in this range due to such factors as the type of lubricant used, rod thread condition, and the accuracy of the torque wrench itself. For additional information visit www.arp-bolts.com, or call 800-826-3045. A free copy of the latest ARP catalog can be requested by phone, by fax (805-650-0742) or by writing to ARP at 1863 Eastman Avenue, Dept. DRO, Ventura, CA 93003.

PROTEC COMPOSITE LINED SOCKETS

Introducing new ProTec sockets from Hot Rods & Horsepower. They have patented fiberglass composite inner liners that's gentle on all finishes, and allow torquing fasteners to desired levels with complete protection. Size of each socket is laser-etched for added convenience, while the maximum recommended torque for that size is also etched on the socket. The most popular socket is a 9-piece 3/8" drive set that covers from 3/8" to 15/16". Specially coated Allen wrenches (SAE or metric) are also offered. For additional information call 860-749-1862 or write to ProTec Tools, 60 Sunshine Farms Rd., Dept. DRO, Somers, CT 06071. Visit the website at www.protectools.com.