Finding a 428 CJ engine for sale can be exciting for muscle car enthusiasts and engine rebuilders alike. This legendary big-block Ford engine, known for its power and torque, demands careful consideration before purchase. This guide will help you navigate the market and make an informed decision.
What Makes a 428 CJ Engine Desirable?
The 428 Cobra Jet (CJ) engine, produced by Ford from 1968 to 1971, wasn't just another big block. Its specific design features—including high-performance components and a focus on power—set it apart. Key characteristics that contribute to its enduring appeal include:
- High-performance camshaft: The CJ's camshaft profile was meticulously engineered for aggressive power delivery at higher RPMs.
- Larger carburetor: A larger carburetor provided increased fuel flow to feed the engine's hunger for power.
- High-performance cylinder heads: The cylinder heads were specifically designed to optimize airflow and combustion efficiency.
- Stronger connecting rods and pistons: These internal components were reinforced to handle the increased stress of the high-performance output.
These features combined to create an engine that produced impressive horsepower and torque figures for its time, making it highly sought after by muscle car aficionados.
What to Look For When Buying a 428 CJ Engine
Buying a used 428 CJ engine involves significant due diligence. Here's a checklist to ensure you get a reliable powerplant:
- Compression test: A compression test is crucial to assess the condition of the cylinders and rings. Low compression indicates potential problems that could be costly to repair.
- Leakdown test: This test identifies any leaks in the cylinders, valves, or head gaskets.
- Visual inspection: Carefully examine the engine block, heads, and other components for any signs of damage, cracks, or excessive wear. Look for signs of previous repairs or modifications.
- Documentation: If possible, obtain any documentation related to the engine's history, including maintenance records or rebuild details.
- Engine identification numbers: Verify the engine's authenticity using the casting numbers and identification codes to ensure it's a genuine 428 CJ. Counterfeit or incorrectly identified engines are a risk.
Where to Find a 428 CJ Engine for Sale?
Finding a legitimate 428 CJ engine requires searching in multiple places:
- Online marketplaces: Websites like eBay and specialized automotive parts sites often list used engines for sale.
- Classic car shows and swap meets: These events are excellent places to find engines and connect with knowledgeable enthusiasts.
- Specialty engine shops: These shops often have used engines, including potentially restored or rebuilt 428 CJs.
- Private sellers: Connecting with private sellers through forums or local clubs can lead to finding desirable engines.
How Much Does a 428 CJ Engine Cost?
The price of a 428 CJ engine can vary drastically depending on its condition, completeness, and originality. A well-maintained, numbers-matching engine could command a significantly higher price than a more heavily modified or partially restored engine. Prices range from several thousand dollars for a rebuildable core to tens of thousands for a fully restored and documented original.
What are the common problems with 428 CJ engines?
Over time, even the mighty 428 CJ can encounter issues. Common problems include:
- Valve guide wear: This can lead to decreased performance and oil consumption.
- Cam wear: Aggressive cam profiles can contribute to premature camshaft wear.
- Oil leaks: Seals and gaskets can wear over time, resulting in oil leaks.
Regular maintenance is key to extending the life of your 428 CJ. A thorough inspection and preventative maintenance can save you significant repair costs in the long run.
What is the difference between a 428 CJ and a 428 SCJ?
While both are high-performance big-blocks, the 428 Super Cobra Jet (SCJ) is a more extreme version of the 428 CJ. Key differences include even more aggressive camshaft profiles, higher compression ratios, and often different intake manifolds resulting in even higher horsepower outputs.
Finding the right 428 CJ engine requires research, patience, and a keen eye for detail. By carefully considering these factors and conducting thorough inspections, you can secure a powerful piece of automotive history for your project. Remember that consulting with experienced mechanics and engine builders is always a wise investment.
