WebDart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. With deck heights of 9.800” and 10.200” and bore sizes up to 4.600”, the Big M gives you the versatility to build a wide variety of engine combinations. WebStud Length in Block: 1.750" Timing Cover: Std BBC Timing Cover Dart 67240002 for +.400 cam : Timing chain/gears: Std BBC or BBC +.400 : Torque Specs: 1-5 100 ft lbs with high pressure lube : Weight: 9.800 x 4.250 bore (160lbs) - 9.800 x 4.500 bore (136lbs) 10.200 x 4.250 bore (168lbs) - 10.200 x 4.500 bore (144lbs
DART Little
WebApr 1, 2024 · This Dart Big M Mark IV block (PN 3123645) came in an unfinished bore size of 4.600 inch. Nelson Racing Engines in Chatsworth, California (check out this 2,000hp, … WebThis combination is based on a Dart Little M iron cylinder block capable of accommodating the large 4.155-inch bore and lengthy 3.875-inch stroke to achieve 421 cubic inches. Block prep included extensive deburring with custom decking and … irc office sacramento
Dart 31273444: BBC Big M Engine Block 4.500" Bore - JEGS
WebApr 12, 2024 · Big Block Chevy Torque Specs The following specs apply to: Gen IV, Big Block Chevy Mark V, Big Block Chevy Notes These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. WebDart Big M cylinder block incorporates all the important characteristics of modern race blocks in a high quality affordable casting. Available in both 9.8-inch standard deck height and 10.2-inch tall deck versions it is the perfect starting point for any serious big block Chevy racing application. Big M Cam Bore & Fuel Pump Boss WebBIG BLOCK CHEVY. BIG M2 Blocks; BIG M Blocks; BIG M Sportsman Blocks; BIG M Aluminum Blocks; BIG M Aluminum Race Series; BBC Billet Blocks; SMALL BLOCK CHEVY. SHP Short Blocks; SHP … order by x desc y