CT355 Circle Track Engine Specifications:
Displacement:
Bore x Stroke:
Compression 10.0:1
Block:
Cylinder Head:
Valve Diameter (Intake/Exhaust):
Chamber Volume: 58cc
Crankshaft:
Connecting Rods:
Pistons:
Camshaft:
Lift:
Duration:
Valve Lash:
Rocker Arm Ratio:
Oil Pan:
Oil Pressure (Normal):
Recommended Oil:
Oil Filter:
Fuel:
Maximum Engine Speed:
Spark Plugs:
Spark Plug Gap:
Spark Timing:
Firing Order:
Information may vary with application. All specifications listed are based on the latest production information available at
the time of printing.
Additional parts that may be needed:
Carburetor / Air Cleaner:
A model 4150 HP, 650-cfm Holley four-barrel carburetor is recommended for use on the CT355 circle track crate engine.
The recommended carburetor jetting for this application is #73 primary jets, and #73 secondary jets.
A minimum air cleaner element 3 inch tall and 14 inch in diameter, Chevrolet part numbers 12342071 and 12342080, is
recommended for this carbureted circle track engine. A 4 inch tall filter element, Chevrolet part number 8997189, is also
available if enough clearance exists.
TITLE
CT355 Circle Track Racing Engine (88958603) Specifications
350 cubic inches
4.00 inch x 3.48 inch
Cast iron, four-bolt intermediate mains
Cast aluminum,
1.94"/1.50"
Forged steel, 1 piece rear seal
Forged, powdered metal, 3/8" bolts
Cast aluminum
Hydraulic roller tappet
.474" intake, .510" exhaust
208° intake,221° exhaust @ .050" tappet lift
See Valve Lash Procedure
1.5:1 - Stamped Steel
8-quart, baffled pan with kick-out
40 psi @ 2000 RPM
15W50 Synthetic Motor Oil
AC Delco part # PF454
Premium Unleaded - 92 (R+M/2)
5800 RPM
AC Delco part # MR43LTS
.045"
34° BTDC @ 4000 RPM
1-8-4-3-6-5-7-2
88960548
IR 24MR14
PART NO.
4
32
SHEET
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