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- Chevrolet Performance 454 HO 454ci/438HP Crate Engine
Chevrolet Performance 454 HO 454ci Crate Engine 438 HP @ 5300 RPM
809-12568774
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454 HO 454ci Engine
Engine Break-In Procedure
Use conventional or break-in oil (non-synthetic) for the first oil change, be sure to check the oil level in the engine and prime the oil system with an engine priming tool.
Engines with flat tappet hydraulic cams only - Run the engine between 2,000 and 2,500 RPM's, with no-load on the engine for the first 30 minutes. This is critical to break in the camshaft.
Drive the vehicle with varying speeds and loads on the engine for the first 30 miles. Be sure not to use a lot of throttle or high RPM. Run five or six medium-throttle accelerations to about 3000 RPM (40 to 50 MPH), then letting off in gear and coasting back down to 20 MPH. Run a couple of hard throttle accelerations up to about 5000 RPM (55 to 60 MPH), then letting off in gear and coasting back down to 20 MPH.
Let the engine cool and change the oil and filter using conventional (non-synthetic) oil and check coolant level, top off if necessary. Drive the next 500 miles normally, without high RPM's (below 5000 RPM), hard use, or extended periods of high loading. Change the oil and oil filter again using conventional (non-synthetic) oil. Keep an eye on oil level during the first thousand or so miles.
It would be suitable to use synthetic motor oil after the second recommended oil change and mileage accumulation.
Specifications:
Big Torque on a Budget Free Shipping! Chevrolet Performance's 454 HO crate engine is classic in its own time, offering enthusiasts an affordable Big-Block combination with performance specs that will make you think it's 1970 all over again - with 438 horsepower and 500 asphalt-wrinkling lb-ft of torque. The foundation of the 454 HO is a brand-new, updated cylinder block, which incorporates many strength and performance design enhancements - making it a smart and economical alternative to rebuilding. We also add an all-forged reciprocating assembly for maximum durability, a roller camshaft, and a set of rectangular-port iron cylinder heads. We deliver the 454 HO with a water pump, balancer, 14-inch flexplate, and aluminum intake manifold. Add a carburetor, ignition system, and starter and your budget Big-Block will be ready to roar.
JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.
Does Chevrolet Performance 12568774 fit your vehicle?
1974 CHEVROLET C20 PICKUP
- Liter: 7.4
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 454
- Engine Type: V8 ( 7.4L / 454 )
- Engine Vin: Z
1973 CHEVROLET C20 PICKUP
- Liter: 5
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 307
- Engine Type: V8 ( 5L / 307 )
- Engine Vin: X
1970 CHEVROLET C20 PICKUP
- Liter: 6.6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 402
- Engine Type: V8 ( 6.6L / 402 )
- Engine Vin: E
1966 CHEVROLET C20 PICKUP
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: -
1969 CHEVROLET C20 PICKUP
- Liter: 5.3
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 327
- Engine Type: V8 ( 5.3L / 327 )
- Engine Vin: E
1974 CHEVROLET C20 PICKUP
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: S
1967 CHEVROLET C20 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: T
1968 CHEVROLET C20 PICKUP
- Liter: 5.4
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 327
- Engine Type: V8 ( 5.4L / 327 )
- Engine Vin: E
1966 CHEVROLET C20 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: -
1964 CHEVROLET C20 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: -
1968 CHEVROLET C20 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: S
1969 CHEVROLET C20 PICKUP
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: Q
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.