19318604 Circle Track Crate Engine

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Item #: 88869604
Reg. Price: $7,931.01
Our Price: $6,394.81
Quantity:
 

Description 

88869604 Circle Track Crate Engine(400 HP @ 5500 RPM - Torque 400 @ 4500 RPM) Replaces 19318604
Great racing power at a reasonable cost


This is a factory sealed crate engine package, complete from intake manifold, stamped steel valve covers with racing style breathers, and 8 quart dual kick-out circle track racing oil pan. The Fast Burn 400 engine is a great value with the 1053 forged steel crankshaft, aluminum heads with 2.00"/1.55" valves, and hydraulic roller lifters.
HEI distributor, and normal rotation iron water pump are NOT included.
The base engine is a Fast Burn 350ci 385 horsepower, with the following parts:
P/N 10105123 4 bolt iron block
P/N 14088533 1053 steel crankshaft
P/N 10108688 PM rod
P/N 10159436 High silicon aluminum piston
P/N 10185071 Camshaft with hydraulic roller lifters
P/N 12464298 Aluminum head
P/N 12496822 High rise single plane intake manifold
<P/N 25534354 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 400 HP @ 5500 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. Oil pan clears most GM rear steer chassis with stock engine location. Oil pan is 7" deep at sump.

CT350/400 Installation Guides with part numbers

Fast Burn 400 Technical Information

Horsepower ..................... 400 @ 5500 RPM
Torque .......................... 400 @ 4500 RPM
Max. Recommended RPM ..... 5800 RPM
Compression Ratio ............. 9.6:1
Block ............................ 10105123 Four bolt main, cast iron
Crankshaft ...................... 12556307 Forged Steel
Connecting Rods ............... 10108688 PM rods
Pistons .......................... 10159436 High silicon aluminum withoffset pins
Piston Rings .................... 12528817
Camshaft ........................ 10185071 Hydraulic RollerLift .474/.510",Duration @ .050, .208/.221
Cylinder Heads ................. 12464298 Aluminum 62cc combustionchambers
Intake Valves ................... 12555331 2.00"
Exhaust Valves .................. 12551313 1.55"
Valve Springs ................... 12551483 LT4 chrome silicon
Rocker Arms .................... 10089648
Intake Manifold ................. 12496822 Aluminum single plane
Valve Lash ...................... Zero
Spark Plugs ..................... MR43LTS Gap @ .045Rapid Fire #5 Gap .045
Fuel ............................. 92 Octane
Ignition Timing .................. 10° BTDC @ 800 RPM32° total @ 4000 RPM with vacuumadvance disconnected

Technical Notes:
Carburetor, spark plug wires, starter, oil filter and oil filteradapter, and exhaust manifolds not included. Distributor P/N 1104067 ormelonized distributor gear P/N 10456413 must be used on all crateengines with steel camshafts. Does not come with flywheel, waterpump or distributor.

GM Performance Circle Track Engine 350/400

 

CIRCLE TRACK 350/400
P/N 88958604

 

 
GM Performance Circle Track Engine 350/400
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Circle Track 350/400
 
   
   
   
   
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Our most powerful sealed engine, At 400 horsepower and 400 lb-ft torque, this combination provides the best "bang for the buck." Add fuel, spark, and go racing.

 

   
• Fast Burn aluminum heads for increased flow
• Open-plenum high-rise manifold for high-rpm power
• All-new parts, fully assembled with sealing bolts

A Satisfied Racer Letting Us know How Much He Likes Our Racing Crate Engines:

"The GM Performance Parts Circle Track Crate Engine in our Super Truck has led us to back-to-back Super Truck track championships. We have not had one problem with the engine. It has been a tremendous cost saver-we've probably saved $10,000 over the last two seasons because of its dependability. This engine is a proven champ!"

Scott Borchetta
2003 & 2004 Music City Motorplex
Super Truck Points Champion

RACER'S NOTES
• We factory-seal the 350/400 Limited Late Model racing engine with special GM-branded, round-head bolts at the intake manifold, cylinder head, front cover, and oil pan.

• We achieved the 400-hp rating 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.


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Circle Track 350/400
GM Part Number
Details
Engine type:
-
Chevy small-block V8
Horsepower:
-
400 @ 5500 rpm
Torque:
-
400 lb-ft @ 4500 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 12556307
forged steel
Connecting rods:
P/N 10108688
powered-metal steel
Compression ratio:
-
9.6:1
Pistons:
P/N 10159436
high-silcone cast aluminum with offset, pins
Piston rings:
P/N 12528817
moly-filled
Intake manifold:
P/N 12496822
aluminum single-plane high-rise
Camshaft type:
P/N 10185071
hydraulic-roller lifters
Camshaft lift (in):
-
.474 intake/.510 exhaust
Camshaft duration(@ .050 in):
-
208° intake/221° exhaust
Rocker arm ratio:
-
1.5
Rocker arms:
P/N 12367345
roller-style aluminum
Valve, exhaust
P/N 12551313
1.55"
Valve, intake
P/N 12555331
2.00"
Valve lash:
-
zero
Timing chain:
P/N 14088783
single-roller-silent type
Valve springs:
P/N 12551483
LT4 chrome silicone
Cylinder heads:
P/N 12464298
aluminum, 62cc combustion chambers
Distributor:
-
(not included)
Ignition timing:
-
10°BTDC @ 800 rpm: 32° total @ 4000 rpm with vacuum advance disconnected
Spark Plugs:
Option:
-

R44 LTS gap @ .045
MR43LTS

Rpm, maximum recommended:
-
5800
Fuel, minimum recommended
octane:
-
92
NOTE: The distributor we recommend with the 350/355 engine has a melonized steel gear. This MUST be used with engines with steel camshafts, or engine damage can occur.
     
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