In a competition engine, 3/8-inch diameter pushrods are a must. The smaller 5/16-inch diameter pushrods could/would readily bend due to high valve spring pressure.In a competition engine, 3/8-inch diameter pushrods are a must. The smaller 5/16-inch diam CrankshaftManufacturer: SCATMaterial: 4340 SteelStroke: 4.0-inch Connecting RodsManufacturer: SCATMaterial: 4340 SteelDesign: H.D. I-Beam Type, Fully ProfiledCap Bolts: 7/16-inchRod Weight: 600 GramsLength: 6-InchHighlights: Stroker Clearanced PistonsManufacturer: CPSize: 4.030-inch ForgedPiston Weight: 378 gramsPiston Pin: Tool Steel, .090-inch wall, 0.927-inch dia., 2.50-inch long, 78 grams.Lateral Gas Ports : 10Compression Height: 1.00Ring Package: 043-043-3mm When using aftermarket aluminum heads and rocker arms, exact care must be given to pushrod positioning. Four of the 16 touched the head hole wall so the Jesel shaft-mounted rocker arms had to be repositioned. This is all part of custom engine building.When using aftermarket aluminum heads and rocker arms, exact care must be given to pushrod CarburetorManufacturer: Barry GrantModel: King Demon 1095 cfmJetting: Primaries & Secondaries: pn 94 Intake ManifoldManufacturer: EdelbrockModel: Super Victor pn 2925 Engine Blueprint DataDeck Height: 0.014-inchPiston-To-Wall Clearance: 0.005-inchPiston Ring End Gap:Top: 0.014-0.015-inch2nd: 0.018-0.020-inchMain Bearing Clearance: 0.003-inchRod Bearing Clearance: 0.0027-inchCrankshaft End Play: 0.008-inchHead Gasket Volume: 6.6 ccCompression Ratio: 11.50:1 Sherman massaged all the ports to meet his specifications. The combustion chambers are original. You will note that Sherman has run the heads, then removed them for more testing and flow modifications. The stock intake ports are 210cc.Sherman massaged all the ports to meet his specifications. The combustion chambers are ori TuningGasoline: Chevron 91 octaneTotal Ignition Timing: 35 degreesSpark Plugs: NGK no. 5672Gap: 0.045-inch REWORKED AFR HEAD "CFM" FLOW NUMBERS LIFT INTAKE EXHAUST 0.100 77 62 0.200 153 115 0.300 211 184 0.400 259 215 0.500 293 225 0.600 310 230 0.700 316 233 The Air Flow Research 2.08 and 1.60 stainless steel valves feature slimmer 8mm stems. This saves about 10 grams of weight-each. A lighter valvetrain means quicker revving.The Air Flow Research 2.08 and 1.60 stainless steel valves feature slimmer 8mm stems. This SUPER FLOW DYNO TEST RESULTS RPM TORQUE HORSEPOWER 4,800 554 506 5,200 564 559 5,600 562 599 6,000 554 632 6,400 537 654 6,800 514 667 7,200 484 663 1 3/4-INCH dyno headers & 3-inch magna flow mufflers The outer radius area of each intake port has been slightly reworked to help cylinder filling at high rpm.The outer radius area of each intake port has been slightly reworked to help cylinder fill The Jesel shaft-mounted roller rocker arm assemblies are real works of art. Sherman usually runs 1.6-ratio on the intake valves and 1.5-ratio on the exhaust valves.The Jesel shaft-mounted roller rocker arm assemblies are real works of art. Sherman usuall How do you tell a Jesel 1.5-ratio roller rocker arm from a 1.6-ratio? The fulcrum on the left is farther away from the valve, hence it is 1.5-ratio. The closer fulcrum on the right is a 1.6-ratio.How do you tell a Jesel 1.5-ratio roller rocker arm from a 1.6-ratio? The fulcrum on the l This Comp Cams competition roller camshaft was ground from billet steel to Sherman's exact specifications. Consult our technical sidebar for all specifications.This Comp Cams competition roller camshaft was ground from billet steel to Sherman's exact Comp Cams' highly engineered roller lifters must always be used with their roller camshafts. Ditto on exact valve springs. The flat bar attached keeps each intake and exhaust roller lifter in exact positioning with the respective cam lobe.Comp Cams' highly engineered roller lifters must always be used with their roller camshaft The Jesel Brothers are credited with inventing/perfecting the external timing set-up, otherwise called belt drive. It allows for much easier camshaft timing changes/adjustments and is said to be worth extra horsepower.The Jesel Brothers are credited with inventing/perfecting the external timing set-up, othe The Scat forged steel crankshaft came right from its catalog. It has no flaws and does not need further modifications or refinement before use. The stamped numbers are Scat's in-house balance references. The "4.000" references the stroke length.The Scat forged steel crankshaft came right from its catalog. It has no flaws and does not Scat's forged steel I-beam connecting rods (as shown) are clearanced for stroker use. Sherman said they are generally lighter than other rods and have no strength issues.Scat's forged steel I-beam connecting rods (as shown) are clearanced for stroker use. Sher One of the good things about heavy-duty aftermarket blocks is their billet steel four-bolt main bearing caps with splayed outer bolts. These features spell strength and longevity-both musts in any ultra performance engine.One of the good things about heavy-duty aftermarket blocks is their billet steel four-bolt Sherman made it a point to tell SC that this Milodon oil pan can be worth up to an extra 25 hp. Its windage tray works great and the horizontal lump on the right side captures oil and keeps it off the crankshaft at high rpm.Sherman made it a point to tell SC that this Milodon oil pan can be worth up to an extra 2 Just for the record, every Joe Sherman dyno engine tested is equipped with a Moroso electric water pump. Why? There is no horsepower loss.Just for the record, every Joe Sherman dyno engine tested is equipped with a Moroso electr Even though every Joe Sherman engine is completely deburred, he still likes to use a Filtermag on the oil filter. If by chance any metal shavings or minute particles enter the oil system, they will be trapped in the oil filter. It sits directly onto the oil filter and is held in place via magnetization.Even though every Joe Sherman engine is completely deburred, he still likes to use a Filte SOURCES Air Flow Research 10490 Ilex Avenue, Dept. MMFF Pacoima CA 91331 Jesel Valvetrain 7-32/-901-1800 www.jesel.com Barry Grant/Demon Dept. 5.0 1450 McDonald Rd. Dahlonega GA 30533 706-864-8544 >www.barrygrant.com Joe Sherman Racing Engines 7-14/-542-0515 www.joeshermanracing.com Cometic Gasket Concord OH 4-40/-354-0777 cometic.com Milodon 2250 Agate Ct. Simi Valley CA 93065 805-577-5950 www.milodon.net Competition Cams Memphis TN 8-00/-999-0853 compcams.com MSD Ignition El Paso TX 9-15/-857-5200 msdignition.com CP Pistons Irvine CA 949-567-9000 www.cppistons.com Scat Enterprises 3-10/-370-5501 scatenterprises.com Edelbrock Dept. 5.0 2700 California St. Torrance CA 90503 310-781-2222 www.edelbrock.com « | 1 | 2 | 3 | View Full Article By Doug Marion Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!
