582 Multi port Fuel Injected
  750 HP on pump gas
  4.600 Bore
  4.375 Stroke

Here is the engine you have been asking for, it makes 750HP on pump gas with a Multi port Holley fuel injection system, there is no need for a laptop to tune this engine it is a true plug and play combination. 
This engine starts with a Merlin III or Dart Big M block that we fully cnc machine, we then fill it with all new components.

 Eagle 4340 Forged 4.375" stroke crank
 Eagle Forged H beam rods
 JE forged pistons
 Mahle file fit rings
 Clevite H series bearings
 Solid roller cam and lifters
 Double row billet timing set
 Polished aluminum timing cover
 Melling oil pump
 Moroso oil pan and pickup
 Felpro gaskets
 Dart pro 1 345 aluminum heads with severe duty stainless valves
 ARP head bolts
 Crane roller rocker arms
 Stud girdle
 Polished logo valve covers
 Holley Multiport electronic fuel injection complete system with fuel pump
 MSD billet distributor with wires

This engine is fully machined, balanced, assembled, dyno tested and tuned.

This engine is covered by a 24 month 24,000 mile warranty
                                               See Warranty page for details
    You can upgrade your engine with any of the following options

Callies Compstar crank and rods  500.00
Dart Aluminum block        3200.00
CNC ported chambers (adds 20 hp)  395.00
CNC ported Dart heads (adds 30 hp)          995.00
L19 rod bolts            95.00
Cometic head gaskets          125.00