19258602 Circle Track Crate Engine 350/350

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Item #: 19258602
Reg. Price: $4,705.01
Our Price: $3,814.00
Quantity:
 

Description 

19258602 Great racing power at a reasonable cost (350 HP at 5000 RPM _ torque 390 @ 4000 RPM) This is a factory sealed crate engine package, complete from high rise dual plane intake manifold, stamped steel valve covers with racing style breathers, and 8 quart single kick-out circle track racing oil pan. The 350 engine is a great value with the nodular cast iron crankshaft, iron vortec heads with 1.94"/1.50" valves, flat tappet hydraulic lifters, and HEI distributor. The base engine is a 330 HP 350ci, with the following parts:
P/N 10105123 4 bolt iron block
P/N 14088527 Nodular cast iron crankshaft
P/N 10108688 PM rod
P/N 12361371 Cast aluminum piston
P/N 24502476 Camshaft with hydraulic flat tappet lifters
P/N 12558060 Iron vortec head
P/N 12366573 High rise dual plane intake manifold
P/N 1104067 HEI distributor
P/N 25534353 8 quart circle track oil pan (with oil filter)
P/N 25534359 Valve cover kit with breather tube
P/N 25534355 Valve cover breather kit
P/N 25534352 Special rocker arm nut "kool nut design"

Technical Notes:
These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolt heads. The 350 HP @ 5000 RPM was derived from a superflow dyno using a 4 barrel 650 cfm Holley carburetor P/N 80541-1, 32" long by 1 5/8" to a 1 3/4" stepped header with a 3" collector, and 92 octane unleaded gasoline.
This engine package DOES NOT include a water pump, or FLYWHEEL. Oil pan clears most GM rear steer chassis with stock engine location. Oil pan is 8" deep at sump. There are no dip stick provisions but a site plug is on side of pan sump.

CT350/350 Installation Guides with part numbers

19258602 350 HO Technical Information
Horsepower ..................... 350 @ 5000 RPM
Torque .......................... 390 Ft. Lbs. @ 3800
Max. Recommended RPM ..... 5500
Compression Ratio ............. 9.1:1
Block ............................ 10105123
Cast iron four bolt with one piece rear main seal
Crankshaft ...................... 14088527
Nodular cast ironConnecting Rods ............... 10108688
PM steelPistons .......................... 12361371
Cast aluminumPiston Rings .................... 14089025
Camshaft ........................ 24502476
Lift: .435" I, .460" E. Duration @ .050: 212o I, 222o E.
Timing Chain ................... 14087014
Cylinder Heads ................. 12558060 Cast Iron 64cc Vortec combustion chambers
Intake Valves ................... 10241743 1.94"
Exhaust Valves .................. 12550901 1.50"
Valve Springs ................... 10212811
Rocker Arms .................... 10089648 1.5 ratio
Valve Lash ...................... Zero
Spark Plugs ..................... R44LTS Gap @ .045 Rapid Fire #8 @ .035
Ignition Timing .................. Base 10° BTDC, 32° Degree Total @ 4000 RPM

 

CIRCLE TRACK 350/350
P/N 88958602

 

 
Circle Track 350/350
 
 
Circle Track 350/350 hp
 
   
   
   
   
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Our workhorse 350-hp iron-head engine is very durable and the most affordable of the three sealed engines GM Performance Parts offers. The "Best Value" in circle track engines.

   
• All-new parts
• Uses 92-octane pump gas
• Fully assembled with sealing bolts


COMPLETE YOUR CRATE ENGINE
Select the parts below to finish off your
racing crate engine.

P/N 12361056 - Spark Plug Wires
8-mm red double-wall silicone plug wires
with 135° spark plug boots.

P/N 12495826 - Aluminum Water Pump
Log-leg design suitable for competition.

P/N 14011012 - Short-Leg Aluminum Water Pump
3/4" shaft diameter, Corvette-style pump.

Note: Operation requires addition of carburetor, starter, water pump, plug wires, externally balanced flywheel, and exhaust system, all not included.

RACER'S NOTES
• When we build our Factory Stock racing engines, we seal them with special GM-branded round-head bolts at the intake manifold, cylinder head, front cover, and oil pan.
• We achieved the 350-hp rating for this crate engine with a Holley 650-cfm four-barrel carburetor, Holley P/N 0-80541-1; 32-inch-long by 1-5/8-inch-into-1-3/4-inch stepped headers with 3-inch collectors; and 92-octane gasoline.
Circle Track 350/350 hp

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Circle Track 350/350
GM Part Number
Details
Engine type:
-
Chevy small-block V8
Horsepower:
-
350 @ 5000 rpm
Torque:
-
390 lb-ft @ 3800 rpm
Displacement, (cu in)
-
350
Bore x stroke (in)
-
4.00 x 3.48
Block
P/N 10105123
cast iron 4-bolt with 1-piece rear main seal
Crankshaft:
P/N 14088527
nodular cast iron
Connecting rods:
P/N 10108688
powered-metal steel
Compression ratio:
-
9.1:1
Pistons:
P/N 12361371
cast-aluminum
Piston rings:
P/N 14089025
moly-filled
Intake manifold:
P/N 12366573
aluminum dual-plane high-rise
Camshaft type:
P/N 24502476
flat-tappet hydraulic lifters
Camshaft lift (in):
-
.435 intake/.460 exhaust
Camshaft duration(@ .050 in):
-
212° intake/222° exhaust
Rocker arm ratio:
-
1.5:1
Rocker arms:
P/N 10089648
stamped-steel
Valve, exhaust
P/N 12550901
1.50"
Valve, intake
P/N 10241743
1.94"
Valve lash:
-
zero
Timing chain:
P/N 14088783
single-roller
Valve springs:
P/N 10212811
single-coil
Cylinder heads:
P/N 12558060
GM Vortec cast iron, 64cc combustion chambers
Distributor:
P/N 1104067
HEI
Ignition timing:
-
max 32° total @ 4000 rpm
Spark Plugs:
Option:
-

R43 LTS gap @ .045

Rpm, maximum recommended:
-
5500
Fuel, minimum recommended
octane:
-
92
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