454 CUBIC INCH LIGHT ALUMINUM BLOCK LS7 LS3 (730HP-2000HP OPTIONS / EFI OR CARB)

Description

PURCHASER TO RECEIVE:
ONE NEW CUSTOM BUILT BALANCED AND BLUE PRINTED AND DYNO TESTED LS /LSX 454 LONG BLOCK ENGINE. YOUR CHOICE LS3 15 DEGREE PISTON OR LS7 12 DEGREE PISTON. WE CAN OFFER THIS ENGINE WITH 4.100 STROKE LONG POST TO WORK WITH FACTORY CORVETTE DRYSUMP. YOU MAY CHOOSE COMPRESSION RATIO, AND HIGH BOOST UPGRADES IF YOU WANT TO USE FORCED INDUCTION. WE ALSO OFFER NITROUS UPGRADES. WE CAN SET THIS ENGINE UP FOR EFI OR CARBURETOR.  WE CAN SUPPLY INTAKE AND FUEL SYSTEM FOR AN UPCHARGE.  PRICE CAN BE REDUCED FOR SAME 454CI ENGINE IF WE REMOVE SOME ENGINE FEATURES AND UPGRADES TO SUIT YOUR BUDGET IF YOU ARE PRICE SENSITIVE.
IMPORTANT: ENGINE INCLUDED AT BUY IT NOW PRICE IS COMPLETE ONLY FROM OIL PAN TO VALVE COVERS WITH HEADS, CAM AND ROCKER ARMS INSTALLED, AND ENGINE COVERS. INTAKE, IGNITION, PULLEY DRIVE AND OTHER PARTS NOT INCLUDED, BUT AVAILABLE. DRY SUMP OIL PAN IS AN ADDITIONAL CHARGE. BUY IT NOW PRICE INCLUDES WET SUMP PAN, AND YOU MUST SPECIFY WHAT CAR ENGINE WILL BE INSTALLED SO CORRECT OIL PAN IS INSTALLED IF OIL PAN IS NEEDED.
THIS CUSTOM LS ENGINE WILL BE BUILT BY A BUILDER WITH MORE THAN 20 YEARS EXPERIENCE MACHINING, BALANCING, BLUEPRINTING, ASSEMBLING, AND TESTING CUSTOM RACING ENGINES, THIS ENGINE WAS ASSEMBLED WITH ALL THE KNOWLEDGE AND DEDICATION AVAILABLE USING VERY HIGH QUALITY PARTS. ENGINE SHIPS WITH DETAILED ENGINE BLUEPRINT / BUILD SHEET. OPTIONAL DYNO SHEETS AVAILABLE IF DYNO SERVICE IS ADDED TO ORDER FOR AN ADDITIONAL CHARGE. SEE COPY OF ONE DYNO PULL SAVED AS EBAY PHOTO  NEXT TO OTHER PHOTOS OF ENGINE FOR OUR BASE 730HP PUMP GAS PACKAGE WITH OVER 700 FT LBS TORQUE BY 6800RPM. HIGHER RPM PACKAGES ALSO AVAILABLE.
WHEN DYNO TESTED: TWO OR THREE DAYS ARE SPENT ON THE THE DYNO WITH THIS ENGINE BREAKING IN THE MOTOR SEATING RINGS AND OTHER COMPONENTS, TUNING, AND POWER TESTING THE ENGINE ON OUR SUPERFLOW DYNO, THAT IS AFTER MANY WEEKS AND AROUND 120 HOURS LABOR IN THE SHOP MANUFACTURING THIS ONE OF A KIND VERY SPECIAL ENGINE. THIS IS JERRY LONG THE DESIGNER, BUILDER, AND SHOP OWNER SELLING THIS ENGINE.  THE ENGINE WAS BROKEN IN WITH ZINC ADDITIVE AND OIL CHANGED BEFORE POWER LOADING THE ENGINE IF DYNO TESTED. THE ENGINE IS THEN RUN FOR A PROLONGED PERIOD OF TIME TO GENTLY BREAK-IN AND MONITOR DURING THE TUNING PHASE BEFORE MAKING HARD DYNO PULLS.
THIS ENGINE SHOULD MAKE THE ULTIMATE STREET / STRIP ENGINE FOR STREET LEGAL RACE CAR OR FULL TIME RACE CAR.  I SAY THIS BECAUSE EVEN OUR BASE PACKAGE AT 427CI MADE 706.7 FT LBS TORQUE AT ONLY 4500RPM AND 730.3 HORSEPOWER AT 6500RPM WITH NO SIGN OF FALLING OFF WITHOUT THE USE OF POWER ADDERS. WE MADE A SECOND PULL ON THE ENGINE TO 6750HP AND HORSEPOWER CONTINUED TO INCREASE PAST 730HP. RECOMMEND POWER BAND PER GEAR FOR THIS ENGINE WOULD BE 2800-7200RPM.  THIS LARGER 454CI PACKAGE WILL MAKE EVEN MORE POWER!
WHY IS THIS ENGINE SPECIAL?  BECAUSE I BUILD MANY ENGINES FOR SOME OF THE MOST SOPHISTICATED RACE CARS AND STREET CARS IN THE USA AND HAVE IMPLEMENTED ALL I HAVE LEARNED WHEN DESIGNING THIS ENGINE.  SUCH AS: I HAVE LEARNED OVER THE YEARS WHEN CUSTOM DESIGNING MY BILLET ROLLER CAMS THAT I CAN RUN MORE COMPRESSION RATIO ON PUMP FUEL THAN MOST THINK IS POSSIBLE BY HOW I CONTROL WHEN THE INTAKE VALVES CLOSES AFTER BOTTOM DEAD CENTER. DOING SO, THIS 11.8:1 STATIC COMPRESSION RATIO ENGINE HAS RUN THE ENTIRE TIME ON ONLY 93 OCTANE PUMP FUEL TO NEARLY 7000RPM WITH AS MUCH AS 33 DEGREES IGNITION TIMING. DYNAMIC COMPRESSION RATIO WAS PRECISELY ENGINEERED TO BE 9.3:1 SO THAT WITH LARGER LIFT CUSTOM CAMSHAFT ENGINE WILL MAINTAIN OPTIMUM CYLINDER FILL FOR MAX POWER. FURTHER MORE WHY THIS ENGINE IS SPECIAL IS THAT IT IS LIGHT-WEIGHT, THAT IS, ALL ALUMINUM WITH ALUMINUM BLOCK AND ALUMINIUM HEADS AND INTAKE AND OIL PAN WATER PUMP, ETC. THIS ENGINE ALSO HAS VERY SPECIAL SHORT TRAVEL CUSTOM JOHNSON SHORT TRAVEL TIE BAR LIFTERS DESIGNED TO MAINTAIN VALVE LIFT AND AVOID VALVE FLOAT AT RPM RANGES NORMALLY ONLY POSSIBLE WITH SOLID ROLLER CAMS. THESE SPECIAL LIFTERS ARE PAIRED WITH CUSTOM LENGTH .105 WALL THICK SEVERE DUTY PUSH RODS AND EXTRA STRONG 1.8 RATIO FULL ROLLER ROCKER ARMS (NOT CAGED STOCK NON-ROLLER ROCKER ARMS). CAMSHAFT IS BILLET STEEL CUSTOM SMALL BASE CIRCLE .744 / .738 LIFT ON 244/248 DURATION AT .050 AND A 112 LSA INSTALLED/DEGREED TO A 110 CENTERLINE FOR A MODERATE 22 DEGREES TOTAL VALVE OVERLAP TO MAINTAIN CYLINDER PRESSURES AT LOWER ENGINE SPEEDS WHILE AT THE SAME TIME TAKING ADVANTAGE OF HIGH RPM AIR SCAVENGING.
OTHER UNIQUE ENGINE CHARACTERISTICS:
CNC PORTED HEADS UTILIZING SPECIAL PAC VALVE SPRINGS, TITANIUM RETAINERS, LIGHT HOLLOW INTAKE VALVE AND SEVERE DUTY EXHAUST VALVES. THESE HEADS TO BE CUSTOM BUILT BY HAND. COIL BIND TO BE MEASURED ON EACH OF THE 16 VALVE SPRINGS AND INSTALL HEIGHT CHECKED ON ALL 16 VALVE SEATS, FULLY BLUE PRINTED. AFTER THE CNC PORT WORK ALLOWING THESE HEADS TO FLOW EFFICIENTLY TO OVER .800 VALVE LIFT, THE PORTS ARE SMOOTHED AND HAND POLISHED WITH HAND PORT TOOLS TO REMOVE GHOST SHADOWS LEFT BY CNC TOOLING AND OTHER IMPERFECTIONS ALONG WITH DEVELOPING THE CORRECT SURFACE FINISH ON BOTH THE INTAKE AND EXHAUST PORTS--VERY SMOOTH ON EXHAUST AND A ROUGHER FINISH ON INTAKE PORTS FOR BETTER FUEL AMORTIZATION. THE HEADS WILL BE SET UP WITH A PRECISE INSTALLED HEIGHT WITH +/-  170 LBS CLOSED SPRING PRESSURE AND 500 LBS OPEN SPRING PRESSURE. SPRINGS ARE INTENTIONALLY SET +/- .050 FROM COIL BIND TO CONTROL SPRING SURGE (OPTIMUM RANGE .040-.070 FROM BIND). THE HEADS ARE FASTENED WITH ARP FASTENERS AND SPECIAL MLS .041 THICK HEAD GASKETS FOR A QUENCH OF RIGHT AT .040.
THE ALL ALUMINUM ENGINE BLOCK WAS EXAMINED AND MACHINED WITH RELIABILITY IN MIND, DEBURRED AND BLUEPRINTED WITH ALL SHARP EDGES REMOVED FROM BOTTOM OF CYLINDER BARRELS TO AVOID PISTON SKIRT SCUFFING, ALL MEASUREMENTS CHECKED AND CYLINDER HONE FINISH SET FOR OPTIMUM RING SEATING. THE RODS ARE SPECIAL HEAVY BEAM BILLET H SERIES WITH UPGRADED ROD BOLTS 7/16 CHECKED FOR SIZE, MAGGED AND SHOT PEENED. THE CRANK WAS PRECISELY BALANCED BY ME ON OUR DIGITAL BALANCER TO WITHIN ZERO GRAMS ON EACH END.  MOST CRANKS ARE 10-20 GRAMS OR MORE OFF ON EACH END. IT IS VERY DIFFICULT TO GET A CRANK TO ZERO IMBALANCE AS RACE TOLERANCE IS 10 GRAMS OR LESS.  IT TAKES MANY HOURS OF MACHINGING ON THE BALANCER TO GET THE CRANK THIS FINELY MATCHED TO THE ROTATING ASSEMBLY. I SELECT A THICKER WALL CP/CARILLO WRIST PIN AS STANDARD WRIST PINS ARE ONLY STABLE TO AROUND 600-700HP IN THIS BUILD ALONG WITH CUSTOM DESIGNED AND BUILT 2618 PISTONS. THE PISTONS ARE FLAT TOP FOR MAXIMUM BURN EFFICIENCY AND ARE RATED TO 1000+HP. THE CRANK IS A MOLNAR SEVERE DUTY 4340 FORGED UNIT WITH 4.250 STROKE AND MICROPOLISHED. ALL RODS, PISTONS,AND OTHER ROTATE COMPONENTS ARE PRECISELY BALANCED ON BIG AND AND SMALL END WEIGHT AND TOTAL WEIGHTS TO A BOBWEIGHT OF 1742 GRAMS. THIS IS A LIGHT BUT ADEQUATELY STRONG BOBWEIGHT. THE PISTON RINGS USED IN THIS BUILD ARE THE BEST OF THE BEST WITH A STAINLESS STEEL CHROMIUM NITRIDE COATED OR GAS NITRIDED TOP AND GAPLESS TOP, NAPIER HOOK SECOND RING, AND 14 LB TENSION OIL RING, ALL FILE FIT EXACTLY TO THE BLOCK CYLINDER BORES WITH +/- .022 TOP GAP COLD, .024 SECOND RING GAP WARM, AND .020 EXPANDER RAIL CLEARANCE 3RD GROOVE.  THESE ARE THE SAME RINGS USED IN THE TOP FUEL CARS AND SELL FOR MORE THAN 0 PER RING SET AND ARE RATED TO MORE THAN 2000HP. THE ROD AND MAIN BEARINGS USED IN THIS BUILD ARE THERMAL COATED XP SERIES TRI METAL--I HAVE NEVER HAD A BEARING FAILURE OVER THE YEARS WITH THESE BEARINGS. CRANKSHAFT AND ENGINE BLOCK WERE MACHINED TO YIELD +/- .00180 MAIN BEARING OIL CLEARANCE AND +/- .00225 ROD BEARING CLEARANCE--TIGHTER MAIN CLEARANCE IS NEEDED WITH ALUMINUM BLOCK HEAT EXPANSION.
AS MENTIONED, THE 0 LIFTERS ARE HAND BUILT BY RANDY OF JOHNSON LIFTER SET WITH ONLY .058 PLUNGER TRAVEL AND PRIORITY RETAINING RACE CLIP, DESIGNED TO HANDLE UP TO 550 LBS VALVE SPRING PRESSURE AND TO REMAIN STABLE PAST 8000RPM. ONE-PIECE SEAMLESS PUSH RODS ARE HAND SELECTED WITH MAXIMUM WALL THINKNESS OF .105" TO MAINTAIN RIGIDITY AT HIGH RPM AND IN A CAREFULLY MEASURED IN OVERALL LENGTH TO SET PRELOAD EXACTLY WITHIN THE LIFTER SPECIFICATION TO NO MORE THAN .035 NO LESS THAN .025 AT WARM ENGINE OPERATING TEMP. THE TIMING CHAIN IS AN EXPENSIVE BILLET GEAR SET WITH UPGRADED SEVERE DUTY CHAIN AND THE OIL PUMP IS A CUSTOM BUILT HIGH PRESSURE PUMP FOR WET SUMP.
WE CAN MAKE CHANGES TO THIS ENGINE, INCLUDING INSTALLATION OF FUEL INJECTION IF CARBURETOR IS NOT DESIRED. HOWEVER, KNOW THAT WITH EFI, YOU WILL LOSE SOME POWER, SLIGHTLY. THIS ENGINE HAS BEEN TUNED TO A RAZOR SHARP AIR FUEL RATIO FOR MAXIMUM FUEL ECONOMY, AND AGAIN THIS ENGINE IS A PUMP GAS ENGINE THAT WILL RUN ON PREMIUM PUMP FUEL.  730+ HP 700+ FT LB TORQUE PUMP GAS 454CI LIGHT WEIGHT ALL-ALUMINUM ENGINE FOR YOUR STREET CAR, RACE CAR, BOAT, OR OTHER APPLICATION. DESIGNED, BALANCED, MACHINED, AND ASSEMBLED BY AN ENGINE BUILDER WHO HAS BUILT ENGINES FOR THE ROLEX SERIES DAYTONA RACE CARS, ENGLAND'S F1 STOCK CLASS, AND MANY OTHER VENUES SUCH AS LSX SHOOT OUT AND MORE.
ALL MEASUREMENTS SUCH AS ROD SIDE CLEARANCE, CRANK END PLAY, PISTON TO CYLINDER WALL, PISTON TO DECK, PISTON TO HEAD (QUENCH), RING GAP, OIL BEARING CLEARANCE, CAM LOBE TO ROD CLEARANCE, ROD TO BLOCK CLEARANCE, HEAD SETUP MEASUREMENTS, PISTON TO VALVE CLEARANCE, ETC ETC HAVE BEEN THOROUGHLY CHECKED AND ARE LISTED ON ENGINE BLUE PRINT SHEET TO SHIP WITH ENGINE.
CONTACT JERRY AT PHONE (785) 408-2911 OR MESSAGE THROUGH EBAY WITH QUESTIONS.
WARNING: This product can expose you to chemicals which is/are known to the State of California to cause cancer and/or reproductive harm.