WebJan 2, 2010 · Dart has built its reputation on the racetrack, but Jack says that about 30 percent of Darts business is the street cylinder head market. The tradeoffs between iron and aluminum are obvious and quantifiable. Dart’s Iron Eagle line of iron heads is approximately $300 cheaper than its aluminum counterparts and about 50 lbs. heavier per pair. WebSep 15, 2015 · Dart’s Iron Eagle has a recommended maximum bore dimension of 4.185-inch. Dart and World offer a wide range of aftermarket Ford blocks with varying deck heights so the enthusiast can select …

Street Performance Cylinder Heads - Engine Builder Magazine

WebApr 19, 2005 · -BUT--the Iron Eagles are 100% performance and race bred pieces with the main intentions of being used on wide open throttle race engines. -The SBC SR heads that I have seen flow about 191 CFM at .500" lift as they come stock, and then about 222 with a mild porting job. WebMay 8, 2014 · The more cubic inches the engine has, the more airflow the heads have to deliver. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy … population of aberdeen washington 2021

max flow and hp for a sbc dart 230 pro 1 - Don Terrill’s Speed-Talk

WebDart Iron Eagle cylinder heads will give you the performance you want at a great price. They feature thick port walls (extra meat for porting!), enlarged water passages, multi-angle … WebSep 19, 2007 · iron cylinder head features revised intake and exhaust ports and is. machined for 2.00" intake valve and 1.55" exhaust valves. The deck. surface is .450" and features 65 cc combustion chambers, 175 cc. intake and 65 cc exhaust ports. All Vortec intake ports are taller. and narrower than early model Chevrolet heads. WebDart Iron Eagle Heads - SBC Dart Platinum Series Cylinder Heads 180, 200, 215 & 230 - JEGS 10% More Air Flow Than The Original Iron Eagle Heads! In 1997, Dart revolutionized the … population of aberfan in 1966