Big Block Chev
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Iron Head Engine Specs
Engine Specifications
Mark J. of Colorado is "The Man" when it comes to building iron head chevy's in Muscle cars all over The USA & Europe.

All his engines are hand built with incredible care & detail.

He specialises in iron headed street/strip BIG BLOCK CHEVY engines that produce huge power and long hp/torque curves that are ideal for 1/4 mile runs.

Mark can produce huge power from specific GM Cylinder head castings which flow almost as good as aftermarket alluminium heads.

His engines are predominantly pump fuel engines that are built to drive the street 90% of the time.

You wont find a better value for money engine of this power & quality ANYWHERE!

Every customer so far is blown away by the performance only Mark knows how to create.

Here are some of his combos below...


Website Links:

www.hotrodthunder.com
www.chevelles.com
www.usmusclecars.com.au
www.howstuffworks.com
www.dragtimes.com
 
ENGINE COMBO #1

350/355 CID 5.8 LITRE GM CHEVROLET ENGINE (BORED)
440 HORSEPOWER (330KW)
450 POUNDS TORQUE


- RE-MANUFACTURED 350 CHEVY FULLY SHOTPEENED BACK TO VIRGIN STEEL
- MAGNAFLUXED
- SONIC CHECKED
- VORTEC CYLINDER HEADS
- VERY STREETABLE WITH PLENTY OF VACUUM TO RUN YOUR BRAKES.
- BORED .030 OVER
- 10:1 COMPRESSION
- TORQUE PLATE HONED DECK AND SQUARED ON A BLOCK TRUE FOR A ZERO DECK
- LINE HONED
- LIFTER BORES HONED
- ALL HOLES TAPPED
- SPUN BALANCED ON A HINES BALANCER
- HYPERUTECTIC PISTONS
- MOLY RINGS
- VORTEC HEADS
- HONED BRONZE VALVE GUIDES
- RADIUS EXHAUST SEATS
- 5 ANGLE INTAKE SEATS
- MACHINED FOR SCREW IN STUDS (ARP)
- SURFACED TO 62ccs
- FULLY PORTED AND FLOWED
- ISKY SPRINGS
- LIGHT WEIGHT RETAINERS
- ISKY CUSTOM GROUND HYD ROLLER CAM
- CHROMOLY PUSHRODS
- 1.6/1.5 ROLLER ROCKER ARMS
- FULLY BAFFLED, AND WINDAGE TRAY OIL PAN SETUP.
- KING BEARINGS
- FEL PRO GASKETS
- BRASS FREEZE PLUGS
- EDELBROCK PERFORMER RPM INTAKE
- MSD PRO BILLET DISTRIBUTOR
- 850 CFM HOLLEY CARBURETTOR

*A real Dyno tested 440 HP, 450 Torque!
 
ENGINE COMBO #2

454/475 CID 7.8 LITRE GM CHEVROLET ENGINE (BORED)
570 HORSEPOWER (425KW)
585 POUNDS TORQUE


- RE-MANUFACTURED 454 CHEVY BLOCK, FULLY SHOTPEENED BACK TO VIRGIN STEEL
- MAGNAFLUXED
- SONIC CHECKED
- VIRGIN GM CAST CRANK; WET MAGNAFLUXED; SHOTPEENED; GROUND .010 .010
- CON RODS; VIRGIN GM 3/8 TRUCK RODS, WET MAGNAFLUXED; 3/8 ARP ROD BOLTS RESIZED; SIDE POLISHED; SMALL ENDS CHECKED FOR PRESS
- HEAD WORK: VIRGIN GM 1973/1974 049 or 781 OVAL PORT CASTINGS; BAKED; SHOTPEENED; MAGNAFLUXED; NEW HONED BRONZE VALVE GUIDES; FULLY PORTED AND FLOWED
- 9.5:1 COMPRESSION RATIO
- ISKY SOLID LIFTER CAM: 550 LIFT 230 230 @ .050 108 HYDRAULIC FLAT TAPPET
- EDELBROCK PERFORMER RPM AIR GAP INTAKE MANIFOLD
- TORQUE PLATE HONED DECK AND SQUARED ON A BLOCK TRUE FOR A ZERO DECK
- ALL HOLES TAPPED
- LINE HONED
- LIFTER BORES HONED
- ALL HOLES TAPPED
- KING BEARINGS
- MELLING OIL PUMP
- DURABOND CAM BEARINGS
- MAHLE ROD & MAIN BEARINGS
- FORGED KB PISTONS
- FELPRO GASKETS
- SMITH BROTHERS PUSH RODS
- CLOYES DOUBLE ROLLER TIMING CHAIN
- MSD PRO BILLET DISTRIBUTOR
- 850 CFM HOLLEY CARBURETTOR

*A real Dyno tested 570 HP, 585 Torque!
 
ENGINE COMBO #3

454/475 CID 7.8 LITRE GM CHEVROLET ENGINE (BORED)
620 HORSEPOWER (460KW)
580 POUNDS TORQUE


- RE_MANUFACTURED 454 CHEVY FULLY SHOTPEENED BACK TO VIRGIN STEEL
- MAGNAFLUXED
- SONIC CHECKED
- VIRGIN GM CAST CRANK; WET MAGNAFLUXED; SHOTPEENED; GROUND .010 .010
- CON RODS; VIRGIN GM 3/8 TRUCK RODS, WET MAGNAFLUXED; 3/8 ARP ROD BOLTS
- HEAD WORK: VIRGIN GM 1973/1974 049 or 781 OVAL PORT CASTINGS; BAKED; SHOTPEENED; MAGNAFLUXED; NEW HONED BRONZE VALVE GUIDES; FULLY PORTED AND FLOWED
- 10:1 COMPRESSION RATIO
- ISKY SOLID LIFTER CAM: 590 LIFT 254 254 @ .050 108 SOLID FLAT TAPPET
- EDELBROCK PERFORMER RPM AIR GAP INTAKE MANIFOLD
- TORQUE PLATE HONED DECK AND SQUARED ON A BLOCK TRUE FOR A ZERO DECK
- LINE HONED
- LIFTER BORES HONED
- ALL HOLES TAPPED
- KING BEARINGS
- MELLING OIL PUMP
- DURABOND CAM BEARINGS
- MAHLE ROD & MAIN BEARINGS
- FORGED KB PISTONS
- FELPRO GASKETS
- SMITH BROTHERS PUSH RODS
- CLOYES DOUBLE ROLLER TIMING CHAIN
- MSD PRO BILLET DISTRIBUTOR
- 850 CFM HOLLEY CARBURETTOR

*A real Dyno tested 620 HP, 585 Torque!
 
ENGINE COMBO #4

454/505 CID 8.3 LITRE GM CHEVROLET ENGINE (BORED & STROKED)
650 HORSEPOWER (485KW)
685 POUNDS TORQUE


- RE-MANUFACTURED 454 CHEVY FULLY SHOTPEENED BACK TO VIRGIN STEEL
- MAGNAFLUXED
- SONIC CHECKED
- 4349 SCAT FORGED CRANK
- 4340 SCAT RODS
- HEAD WORK: VIRGIN GM 1973/1974 049 or 781 OVAL PORT CASTINGS; BAKED; SHOTPEENED; MAGNAFLUXED; NEW HONED BRONZE VALVE GUIDES; FULLY PORTED AND FLOWED
- 10:1 COMPRESSION RATIO
- ISKY CAM: 650 LIFT 244 250 @ .050 110 SOLID ROLLER OR HYDRAULIC ROLLER
- EDELBROCK PERFORMER RPM AIR GAP INTAKE MANIFOLD
- TORQUE PLATE HONED DECK AND SQUARED ON A BLOCK TRUE FOR A ZERO DECK
- LINE HONED
- LIFTER BORES HONED
- ALL HOLES TAPPED
- KING BEARINGS
- MELLING OIL PUMP
- DURABOND CAM BEARINGS
- MAHLE ROD & MAIN BEARINGS
- FORGED KB PISTONS
- FELPRO GASKETS
- SMITH BROTHERS PUSH RODS
- CLOYES DOUBLE ROLLER TIMING CHAIN
- MSD PRO BILLET DISTRIBUTOR
- 850 CFM HOLLEY CARBURETTOR

*A real Dyno tested 650 HP, 685 Torque!
 
ENGINE COMBO #5

454/SUPER 505 CID 8.3 LITRE GM CHEVY ENGINE (BORED & STROKED)
725 HORSEPOWER (540KW)
670 POUNDS TORQUE


- RE-MANUFACTURED 454 CHEVY FULLY SHOTPEENED BACK TO VIRGIN STEEL
- MAGNAFLUXED
- SONIC CHECKED
- 4349 SCAT FORGED CRANK
- H BEAM RODS
- HEAD WORK: VIRGIN GM 1973/1974 049 or 781 OVAL PORT CASTINGS; BAKED; SHOTPEENED; MAGNAFLUXED; NEW HONED BRONZE VALVE GUIDES; FULLY PORTED AND FLOWED
- 12:1 COMPRESSION RATIO
- ISKY ROLLER CAM: 700 LIFT 260 268 @ .050 110 SOLID ROLLER
- EDELBROCK PERFORMER RPM AIR GAP INTAKE MANIFOLD
- TORQUE PLATE HONED DECK AND SQUARED ON A BLOCK TRUE FOR A ZERO DECK
- LINE HONED
- LIFTER BORES HONED
- ALL HOLES TAPPED
- KING BEARINGS
- MELLING OIL PUMP
- DURABOND CAM BEARINGS
- MAHLE ROD & MAIN BEARINGS
- FORGED COMP GAS PORTED SRP PISTON
- FELPRO GASKETS
- SMITH BROTHERS PUSH RODS
- CLOYES DOUBLE ROLLER TIMING CHAIN
- MSD PRO BILLET DISTRIBUTOR
- 850 CFM HOLLEY CARBURETTOR

*A real Dyno tested 725 HP, 670 Torque!
 
“These engines are built by people who care!”
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