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Circle Track Crate Engine CT525 19271821
Description
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19271821 CT 525 Circle Track Engine
525 HP 471 TQ
INSTALLATION NOTES
• Use LSX ignition controller P/N 19171130
• Requires addition of carburetor, starter, exhaustsystem, and front accessory drive system.
• Includes 14-inch 168-tooth automatictransmission flexplate.
• The 6 quart circle track oil pan is designed toclear most GM rear-steer chassis with stockengine location. Requires external oil filter andcooler (will increase capacity to approximately8 quarts).
CT 525 Installation Guides with part numbers
19171821 CT525 Tech Specs
INSTALLATION NOTES
• Use LSX ignition controller P/N 19171130
• Requires addition of carburetor, starter, exhaustsystem, and front accessory drive system.
• Includes 14-inch 168-tooth automatictransmission flexplate.
• The 6 quart circle track oil pan is designed toclear most GM rear-steer chassis with stockengine location.
Requires external oil filter andcooler (will increase capacity to approximately8 quarts).
Part Number: 19171821
Engine Type: LS Series Gen IV Small-Block V-8
Displacement (cu in): 376 cu in (6.2L)
Bore x Stroke (in): 4.065 x 3.62 (103.25 x 92mm)
Block (P/N 12584727): Cast-aluminum with 6-bolt,cross-bolted main caps
Crankshaft (P/N 12597569): Nodular iron
Connecting Rods (P/N 12617570): Powdered metal
Pistons (P/N 19168089): Hypereutectic aluminum
Camshaft Type (P/N 12480110): Hydraulic roller
Valve Lift (in): .525" intake / .525" exhaust
Camshaft Duration (@.050 in): 226° intake / 236° exhaust
Cylinder Heads (P/N 12615879): LS3 rectangle port; aluminumas-cast with 68cc chambers
Valve Size (in): 2.165 intake / 1.59 exhaust
Compression Ratio: 10.7:1
Rocker Arms (P/N 12569167 int): Investment-cast, roller trunnion
Rocker Arms (P/N 10214664 exh): Investment-cast, roller trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: 92 octane
Maximum Recommended rpm: 6700
Reluctor Wheel: 58X
Balanced: Internal
GM Performance Circle Track Engine 350/400 CIRCLE TRACK 525
P/N 19171821
| | GM Performance Circle Track Engine 525HP/471TQ | | | | | | | | | |  | | | | |  www.CrateEngineDepot.com | | | | | Our most powerful sealed engine, At 525 horsepower and 471 lb-ft torque, this combination provides the best "bang for the buck." Add fuel, spark, and go racing. | | | Corvette’s powerful LS3 engine adapted
to racing!
Introduced last year, our CT525 Circle Track crate engine is based on the
latest-generation “LS” engine family and delivers serious power for serious
racing series, including Super Late Model and similar. It is rated at 525 hp
and 471 lb-ft of torque!
This 6.2L engine is similar to the LS3 V-8 that is standard in the Chevrolet
Corvette, but we’ve adapted it to circle track racing with a carburetor intake
manifold, 6-quart racing oil pan and more. The engine is lightweight and
strong, using an aluminum block with cross-bolted six-bolt main caps and
high-flow LS3 rectangular-port cylinder heads.
The CT525 comes with coil-near-plug ignition, a water pump, exhaust manifolds
and SFI Certified balancer. All that’s needed to complete the
assembly is a carburetor, starter and our LSX ignition controller, P/N
19171130. All the necessary parts are available from GM Performance Parts.
GM Performance Parts’ LS engines are revolutionizing circle track racing
with unprecedented power for the money. Choose the CT525 for
your race car and join the LS revolution!
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| | | | | | | | Circle Track 525 | GM Part Number | Details | | Engine type: | - | LS Series Gen IV Small Block | | Horsepower: | - | 525 @ 6700 rpm | | Torque: | - | 471 lb-ft @ 5000 rpm | | Displacement, (cu in) | - | 376 cu in (6.2L) | | Bore x stroke (in) | - | 4.065 x 3.62 (103.25 x 92mm) | | Block | P/N 12584727 | cast-aluminum with 6-bolt
cross-bolted main caps | | Crankshaft: | P/N 12597569 | nodular iron | | Connecting rods: | P/N 12617570 | powered-metal | | Compression ratio: | - | 10.7:1 | | Pistons: | P/N 19168089 | hypereutectic aluminum | | | | | | Intake manifold: | | | | Camshaft type: | P/N 12480110 | hydraulic-roller | | Camshaft lift (in): | - | .525 intake/.525 exhaust | | Camshaft duration(@ .050 in): | - | 226° intake/236° exhaust | | Rocker arm ratio: | - | 1.7:1 | | Rocker arms: | P/N 12569167 int | investment-cast, roller trunnion | | Rocker arms: | P/N 10214664 exh | investment-cast, roller trunnion | | Valve size | | 2.165 intake/ 1.59 exhaust | | | | | | | | | | | | | | | | | | Cylinder heads: | P/N 12615879 | LS3 rectangle port; aluminum | | | | | | Reluctor wheel | | 58X | | Balanced: | | Internal | | Rpm, maximum recommended: | - | 6700 | Fuel, minimum recommended
octane: | - | 92 | | | | | | | CrateEngineDepot.com
877-441-5150 |
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Products Accessories for Circle Track Crate Engine CT525 19271821
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