Editing DynoSim combinations (section)
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===350 SBC dual four barrels=== * Pistons: Keith Black flat-top, 7cc's, 1.561" CH p/n KB106-030. *Heads: [http://www.summitracing.com/parts/EDL-5073/ Edelbrock E-Street] p/n 5073, 185cc intake runners, 70cc chambers, 9.53:1 SCR. Published flow was factored by 0.95 for this exercise. *High leak-down rate flat tappet hydraulic lifters such as Crane p/n 99377-16 Hi Intensity Hydraulic Lifters because we are going to use "too much" cam for the SCR. These lifters will reduce duration by 6-10 degrees under 3000 rpm for better bottom end torque. *Cam: Crane [http://www.summitracing.com/parts/CRN-110591/ p/n 110591] Saturday Night Special flat tappet hydraulic, installed 2 degrees retarded. *With pistons at 1.561", rods at 5.703" and crank radius at 1.740", the stack measures 9.004", so with a nominal 9.025" block deck height, you would need to make a cut of 0.021" to get to zero deck. A 0.040" compressed gasket would then put the squish at 0.040". *1-5/8" long tube headers. *Edelbrock 2x4 RPM intake manifold mounting two 500cfm carbs. ====Results==== :'''RPM HP TQ''' *2000 145 381 *2500 184 387 *3000 229 401 *3500 284 427 *4000 337 445 *4500 378 441 *5000 409 429 *5500 420 402 *6000 400 349 **Peak volumetric efficiency 92.1% @5000 **Peak BMEP 187.8 @4000 **This motor should be waaaaaay fun with a 4-speed or auto with a loose converter.
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