WebJul 26, 2013 · As one of the shortest manifolds in the test, it offers good potential in low hood applications. Weiand X-CELerator As this was the shortest intake in the test, we were … WebAug 24, 2024 · Their main housing bores are typically somewheres in spec, but not exactly where i want it all the time. It's OUR job as the engine builders to fine tune these dimensions to our needs. DART blocks are very good, and i use, machine, and sell them often with very few problems. I expect to need to tune up every part that i touch.

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WebApr 3, 2011 · i run a edel. rpm air gap on my oval port big block and it works awesome on my street car. made 570hp with a ported set of 781's and port matched intake runners. … WebThe competition package features CNC'd 78cc chambers with 2.190-inch stainless intake valves and 1.760-inch exhaust valves with blended 45 degree seats and 15 degree valve angles that have five blend cuts into the ports and chambers. The heads come with bronze alloy valve guides and Viton seals. henry rodolph wigley

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WebNov 1, 2007 · Compared to the stock intake ports, the Dart Pro 1 CNC heads offer twice as much flow (325 cfm vs. 160 cfm). The exhaust flow is even more impressive, with the Pro 1 heads coming in at 235 cfm... WebDart 31213544 - Big M Iron Engine Block Big Block Chevy 4.560 in. Bore (0) Chevrolet Performance 19212196 - Bow Tie Race Engine Block (2-Piece Rear Main Seal), … WebJan 30, 2007 · It was tested with a single-plane Holley 300-5 intake and a Weiand Hi-Ram (street/strip tunnel ram). The Holley intake was run with a 950 HP carb, while the Hi-Ram was run with a pair of... henry rodgin sunnyvale