Here is a bolt-in 9 second capable 572 Cu In Rat motor you can purchase today directly from the Chevrolet factory.
This motor would be perfect for a serious bracket racer. Or as your weekend cruiser, you’ll just need to have access to 110 octane gas due to the 12:1 compression ratio. And you can have this engine delivered ready to run rather than waiting weeks for an engine shop to build your motor. If you don’t mind slightly less performance, a 9.6:1 compression version is also available that will run on 92 octane.
Look at this power curve:
These engines are built using these components:
Part Number:_______________________ 19201334 (ZZ572/720R)
Engine Type:_______________________ Chevy Tall Deck Big-Block V-8
Displacement (cu. in.):________________ 572
Bore x Stroke (in.):___________________ 4.560 x 4.375
Block (P/N 19212195):________________ Cast-iron with four-bolt main caps
Crankshaft (P/N 88961554):____________ Forged steel
Connecting Rods (P/N 19170198):________ Forged steel, shot peened
Pistons (P/N 88963227):______________ Forged aluminum
Camshaft Type (P/N 24502611):_________ Mechanical roller
Camshaft Lift (in.):__________________ .714 intake / .714 exhaust
Camshaft Duration (@.050 in.):_________ 278° intake / 282° exhaust
Cylinder Heads (P/N 88961160):________ Aluminum rectangular port, 118-cc chambers
Valve Size (in.):____________________ 2.250 intake / 1.880 exhaust stainless steel
Compression Ratio:_________________ 12:1
Rocker Arms (P/N 12361323):__________ Aluminum, roller style
Rocker Arm Ratio:__________________ 1.7:1
Distributor (P/N 10093387):___________ Electronic ignition
Carburetor (P/N 19170096):___________ 1150-cfm Dominator
Water Pump (P/N 19168602):__________ Aluminum, short-style
Spark Plugs and Wires:______________ Included
Recommended Fuel:________________ 110-octane race gas
Ignition Timing:___________________ Base 8° BTDC, 36° Total
Maximum Recommended rpm:_________ 6750
The air cleaner size should be at least 14.0″ in diameter and 4.0″ tall or with equivalent surface area to allow adequate air flow to the engine. And the recommended headers would be 2.25″ diameter x 36″ long primary tubes with 3.50″ diameter collectors.
The Chevrolet performance Parts division also has a 9.6:1 compression ratio version of the 572 crate engine if you wish to be able to use 92 octane gas (part nbr. ZZ572/620).
More information at the Chevrolet site:
How about this Gorgeous 10 Second Gasser – (Click Here)
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