Dart Big M Based 598 Tall Deck Stroker Complete Roller Engine for sale. This engine has a New Dart Big M 4-bolt block that has been, magnafluxed, Bored, Finish honed, and zero decked, and has new cam bearings and brass frost plugs.
A new Manley 4.500 Stroke 4340 Forged Internal Balance Crankshaft w/ 2 piece rear main, New Callies 6.700 H-beam Rods, New JE/SRP Forged Pistons, JE Pro Seal moly rings, King HPN series rod and main bearings, Melling oil pump, and Rollmaster Billet Torrington timing set. The static compression ratio is 10.2:1 which is pump gas. The camshaft is a Howards Hydraulic Roller with .680/.680 lift and duration at .050" is 246/254. Lobe separation is 112 deg. This camshaft makes awesome excellent mid to upper range power and has a lopey idle that sounds great. The basic power range is 2600-6000RPM.
Estimated power is 775ft lbs TQ and 800HP
The heads are New AFR Rectangular Port 335CC Aluminum castings with 2.250"/1.88" severe duty valves, PAC Racing Springs, AFR Retainers/locks, Scorpion Full Roller Rockers, and 7/16" screw in studs with guideplates. Sheetmetal Valve Covers, and a Dart 4150 Flange Intake round out the package. This engine also has a 7qt A-Body kick out oil pan. This is an absolutely perfect combination for any performance application whether it's a street rod, rat rod, restoration, or race project.
