Before dropping in the 383, we installed our US Radiator Desert Cooler. The triple-flow copper-brass radiator retained the OE look and mounting locations while providing superior cooling.Before dropping in the 383, we installed our US Radiator Desert Cooler. The triple-flow co While a clutch fan might have done the job, a dual electric fan was the superior way to go. The Flex-A-Lite 210 puller fan sucks 2,600 cfm of air through low clearance low clearance blades, which offered us lots of front engine clearance.While a clutch fan might have done the job, a dual electric fan was the superior way to go After dropping in the motor we sought for a shinier set of valve covers. While the black steel covers functioned fine, a chromed aluminum set went with our high-finish theme much better.After dropping in the motor we sought for a shinier set of valve covers. While the black s Cracking and popping from no mufflers, we ran the motor for the required 30-minute break-in period, keeping a close eye for leaks, oil pressure and loose appendages. As our motor was outfitted with a roller cam, no cam break-in is necessary, however the traditional bearing and ring break-in still applies. We know you're anxious, but the first 10-12 hours of run time is most crucial to your engines' long-term life. So, order, install and enjoy! To provide maximum fuel and air mixture we dropped on a Holley 750-cfm vacuum secondary 4150HP.To provide maximum fuel and air mixture we dropped on a Holley 750-cfm vacuum secondary 41 While a box is always an option, we chose to use a GMPP HEI distributor to keep things simple.While a box is always an option, we chose to use a GMPP HEI distributor to keep things sim Alas, we come to the biggest challenge of all, installing our full-length ceramic-coated Hooker headers.Alas, we come to the biggest challenge of all, installing our full-length ceramic-coated H GM Performance Parts ZZ383Peak hp: 425 hp at 5,500 rpmPeak tq: 460 ft.lb. at 4,500 rpmDisplacement: 383 inchesBore x Stroke: 4.005x3.80 inchesCompression Ratio: 9.1:1Block: Cast iron, four-bolt intermediate mains Heads: Aluminum Fast-BurnValves (intake/exhaust)- 2.00/1.55 inchesChamber volume- 62 ccCrankshaft: 4340 forged steel alloyConnecting Rods: 5.7-inch forged powered-metalPistons: hypereutectic aluminumCamshaft: hydraulic rollerLift- .509 inches intake/.528 inches exhaustDuration: 222 degrees intake/230 degrees exhaust at .050 lift Rocker Arm Ratio: 1.5:1 aluminum roller rocker armTiming Chain: 8mm single roller designOil Pan: 5-quart stamped steelOil Filter: AC Delco part # PF25Maximum rpm: 6,000 rpmSpark Plugs: R44LTSSpark Timing: 32 degrees maximum at 4,000 rpm with vacuum adv. disconnected GM HEI billet distributorZoops PulleysBillet 5-rib serpentine pulleysOutboard alternator mountRemote type II power steeringMeziere Mechanical Water PumpPolished billet aluminum reverse rotation pump- PN WPR401UPU.S. Radiator PN 010690Chevel-Mal V-8 2 5/8x1 1/2-inch triple flowHolley 4150 750-cfm vacuum secondary carburetorHolley 65-gpm mechanical fuel pumpPowermaster 100 amp alternator- PN 27294Powermaster mastertorque starter- PN 9600Flex-A-Lite dual electric fan- PN 210Proform genuine GM aluminum valve covers- PN 141-132 SOURCES Meziere Enterprises 20 S. Hale Ave. Escondido CA 92029 800-208-1755 www.meziere.com US Radiator 323-826-0965 www.usradiator.com Powermaster 2401 Dutch Valley Dr. Knoxville TN 37918 865-688-5953 www.powermastermotorsports.com GM Performance Parts www.gmperformanceparts.com Zoops Products 931 E. Lincoln St. Banning CA 92220 Holley Performance Products 1801 Russellville Rd. Bowling Green, KY 42101 KY 42101 270-782-2900 www.holley.com MSD (Autotronic Controls Corp.) Proform Parts www.proformparts.com Original Parts Group (800) 243- Flex-A-Lite 8-00/-851-1610 www.flex-a-lite.com « | 1 | 2 | View Full Article By Andrew Schear Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!