ZZ 572 720 Tech Specs

Block Part Number:

25534368

Block Type:

Cast iron with 4-bolt main caps

Bore x stroke (in):

4.560 x 4.375

Camshaft duration (@.050 in):

266 degree intake / 274 degree exhaust

Camshaft lift (in):

.714 intake / .714 exhaust

Camshaft Part Number:

88962216

Camshaft type:

Mechanical roller

Carburetor Part Number:

88962217

Carburetor Size:

1090 cfm

Compression ratio:

12:1

Connecting Rod Part Number:

88962926

Connecting rods Type:

Forged steel, shot peened

Crankshaft Part Number:

88961554

Crankshaft Type:

Forged steel

Cylinder head Part Number:

88961160

Cylinder head Type:

Aluminum rectangular port, 118 cc chambers

Displacement (cu in):

572

Distributor Part Number:

10093387

Distributor Type:

HEI

Engine Name:

ZZ572/720R Deluxe:

Engine type:

Chevy big-block V-8

Ignition timing:

36 degree total @ 5000 rpm

Maximum rpm:

6750

Piston Part Number:

88963227

Pistons Type:

Forged aluminum

Recommended fuel:

110 octane race gas

Rocker arm ratio:

1.7:1

Rocker arms Part Number:

12361323

Rocker arms Type:

Aluminum roller style

Spark plugs and wires:

Included

Valve size (in):

2.25 intake / 1.88 exhaust

Water Pump Part Number:

14058915

Water pump Type:

Aluminum, short-style