383 Build
 

Rotating assembly

  • JE/SRP pistons, +0.030", SpeedPro plasma moly rings, floating wrist pins
  • Scat 4340 5.7" forged I-beam rods, ARP bolts
  • Scat 9000 crank, converted to internal balance

Top end

  • Ported LT1 castings, ~260cfm intake, 170cfm exhaust
  • Ferrera 6000 valves, 2.0 intake, 1.55 exhaust
  • Comp Cams 280XFI Comp Cams 918 beehive springs, hardened pushrods, guide plates, 1.6 roller rockers 
    • 0.576 intake/0.570 exhaust, 230/236 duration @ 0.050, 113 LSA (installed @ ???) 
  • Ported LT1 intake
  • Bored OEM throttle body 52mm 

 

Block prep 

  • Oil passages deburred/modified for enhanced oiling
  • All standard machine work done for high performance build

Auxilary parts

  • Meziere HD electric water pump (55 gal/min)
  • Walbro 255 L/hr fuel pump, Racetronix harness upgrade
  • 30LB injectors
  • Exotic Muscle 1.75" long tube headers
  • Corsa exhaust
  • All new sensors, radiator, idler pullies, alternator