JMS also recommended we add a windage tray or an aftermarket pan. The extra stroke tends to dip the counterweights into the oil, causing foaming and loss of horsepower. Because the deck height is 8.200 on our block, the pistons are at zero deck. With the 58cc chamber on the AFR heads, the engine has a 10.9:1 compression ratio. That will work with pump gas and we will add a little fog of nitrous for some street fun. JMS also recommended we add a windage tray or an aftermarket pan. The extra stroke tends t Engine Specs Bore: 4.030 Deck: 8.200 Stroke: 3.400 Cubic inches: 347 Rod length: 5.400 Compression distance: 1.100 Valve relief: -5cc Rod journal: 2.100 Main journal: 2.249 Engine Specifications Torque Specs Main cap: 65 ft-lb (with ARP moly-lube and bolts); 85 ft-lb (motor oil and stock bolts) Rod cap: 50 ft-lb (3/8-inch ARP bolt and nut); 40 ft-lb (3/8-inch ARP capscrew); 20 ft-lb (stock); 0.0060 to 0.0067 bolt stretch Tolerances Main bearing clearance: 0.0025 to 0.0030 Rod bearing clearance: 0.0020 to 0.0030 Crank end play: 0.0040 to 0.0080 Rod side clearance: 0.010 to 0.020 Parts List Description PN Price Bolt protectors CLE-2800B1 $2.39 SBF gasket set FEL-KS2328 $59.25 Engine brush kit MRG-5192 $26.75 4.030 ring compressor SME-904030 $26.95 Outside micrometer SUM-900014 $51.95 Rod bolt stretch gauge SUM-900015 $64.95 Dial bore gauge SUM-900041 $109.95 Engine stand drip tray SUM-901011 $35.95 Balancer installer/remover SUM-G1025 $94.95 Torque wrench (0-100) SUM-G1055 $93.95 Engine assembly lube SUM-LUBE $1.95 Piston ring installer WMR-W80575 $4.95 Eagle 347 FSB rotator ESP-B16422LA030 $999.95 SOURCES JMS Racing Engines El Monte CA 626-579-4567 www.jmsracing.com « | 1 | 2 | 3 | 4 | View Full Article By Douglas R. Glad Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!