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Chevy 305

This category covers questions about the Chevrolet small-block engine variant 305. The 305 had a displacement of 305 cubic inches, with a 3.7350-inch bore, and 3.4803-inch stroke.

1,733 Questions

Why would an ignition coil in an Chevy keep burning out?

An ignition coil in a Chevy may keep burning out due to several factors, including electrical issues such as a short circuit or faulty wiring, which can cause excessive current draw. Additionally, overheating from prolonged use or poor ventilation can lead to premature failure. Other potential causes include a failing ignition control module or problems with the spark plugs, which can place additional strain on the coil. Regular maintenance and diagnostics can help identify and resolve these underlying issues.

Why does a chevy 305 tpi run like its lean and bad mileage?

A Chevy 305 TPI may run lean and exhibit poor mileage due to several factors, including vacuum leaks, a malfunctioning mass air flow (MAF) sensor, or faulty fuel injectors that fail to deliver the proper amount of fuel. Additionally, issues with the fuel pump or fuel pressure regulator can affect fuel delivery, leading to a lean condition. Clogged air filters or exhaust restrictions can also contribute to suboptimal performance. Diagnosing these issues typically requires checking fuel and air systems for proper operation.

What do you have to do to change a 305 fuel injection to a 305 carb?

To change a 305 from fuel injection to a carburetor, you'll need to remove the fuel injection system, including the intake manifold, fuel rails, and injectors. Next, install a compatible intake manifold designed for carburetors and a suitable carburetor. Additionally, you'll need to modify or replace the fuel system to provide the correct fuel pressure for the carburetor, and ensure proper ventilation and throttle linkage are in place. Finally, make necessary adjustments to the ignition system and wiring to accommodate the new setup.

What type of oil for a 305 Chevy engine?

For a 305 Chevy engine, a common choice is 10W-30 motor oil, which provides good protection and performance in a range of temperatures. If the engine is older or has higher mileage, you might consider using a high-mileage oil, specifically formulated to help reduce oil consumption and leaks. Always refer to the owner’s manual for specific recommendations based on your vehicle's condition and climate.

How do you change freeze plug in 1984 Chevy 305 truck?

To change a freeze plug in a 1984 Chevy 305 truck, first drain the engine coolant and remove any components obstructing access to the freeze plug. Use a punch or chisel to carefully tap around the edge of the old freeze plug to loosen it, then pry it out. Clean the area and install the new freeze plug by placing it in the hole and using a socket or similar tool to tap it in evenly until it's seated. Finally, refill the coolant and check for leaks.

How do you tell if coil is bad 305 motor?

To determine if the coil is bad on a 305 motor, look for symptoms such as rough idling, misfiring, or difficulty starting. You can also test the coil's resistance with a multimeter; a reading outside the specified range indicates a potential issue. Additionally, inspect for physical damage like cracks or corrosion. If the coil is not providing a strong spark when tested, it likely needs replacement.

Can you use a tbi 305 distributor in a early 305?

Yes, you can use a TBI (Throttle Body Injection) 305 distributor in an early 305 engine, but there are some considerations. The TBI distributor may have different timing curves and may require modifications to fit properly in the early engine. Additionally, the ignition system may need to be compatible, so it's essential to ensure the wiring and components match your setup. Overall, it's best to consult with a mechanic or specialist to ensure compatibility and optimal performance.

What size push rod do you use with your Chevy 305 with a 350 camshaft?

For a Chevy 305 engine equipped with a 350 camshaft, you typically use push rods that are 5/16 inch in diameter and approximately 7.8 inches in length. However, it's important to verify the specific length needed based on your engine's setup, including the use of aftermarket components and the intended valve geometry. Always check for proper clearance and adjust lengths if necessary to ensure optimal performance.

How much did a new car cost in 1972?

In 1972, the average cost of a new car in the United States was approximately $3,500. Prices varied significantly based on the make and model, with some luxury vehicles costing considerably more. This period marked a time when car ownership was becoming increasingly common among American households.

How do you fix gauges on a 84 c10 i need ideas?

To fix the gauges on an '84 C10, start by checking the fuses related to the instrument cluster to ensure they're not blown. Next, inspect the wiring harness for any loose connections or damaged wires, as these can cause gauge malfunction. If the wiring looks good, consider testing the individual gauges and sending units with a multimeter to determine if they are functioning properly. Lastly, if necessary, you might need to replace the gauges or the entire instrument cluster.

What manual transmission was in the 1984 Chevy Camaro Z28?

The 1984 Chevy Camaro Z28 was equipped with the Borg-Warner T5 manual transmission. This five-speed transmission was known for its smooth shifting and durability, making it a popular choice for performance enthusiasts. The T5 helped enhance the sporty driving experience that the Z28 was designed to deliver.

Can you bore out a 305 gm engine?

Yes, you can bore out a 305 gm (General Motors) engine. Boring involves increasing the diameter of the engine's cylinders to allow for larger pistons, which can improve performance by increasing displacement. However, it's important to consider the engine's overall condition and any potential limits on how much it can be bored without compromising its structural integrity. Always consult a professional or a trusted mechanic for specific guidance on your engine.

Can I swap 1984 305 into a1989 350?

Yes, you can swap a 1984 305 engine into a 1989 350 vehicle, but there are several considerations. You'll need to ensure compatibility with the engine mounts, transmission, and wiring harness, as well as make adjustments to the fuel system and cooling components if necessary. Additionally, it's important to check for any emissions regulations that may apply, depending on your location. Overall, while it's feasible, the swap may require some modifications and careful planning.

How to fit distributor in 305 mercruiser?

To fit a distributor in a 305 Mercruiser, first ensure the engine is at top dead center (TDC) on the compression stroke for cylinder number one. Align the rotor to point towards the number one cylinder terminal on the distributor cap. Carefully lower the distributor into the intake manifold, ensuring the oil pump drive engages with the distributor shaft. Finally, secure the distributor with the hold-down clamp and reconnect the wiring and ignition components.

How do you hook up the vacuum lines on a 1981 Chevy 305 v8 truck?

To hook up the vacuum lines on a 1981 Chevy 305 V8 truck, first identify the vacuum sources on the intake manifold, which typically include ports for the brake booster, PCV valve, and any emissions controls. Connect the brake booster line to the largest port on the manifold, the PCV valve line to a designated port, and any other lines based on the truck's specific configuration. Refer to a vacuum diagram for your model to ensure proper routing and avoid any leaks or vacuum loss. Always double-check connections against the original setup for accuracy.

How do you flush cooling system in Chevy 305?

To flush the cooling system in a Chevy 305, start by ensuring the engine is cool, then disconnect the lower radiator hose to drain the coolant into a suitable container. Use a garden hose to flush water through the system until it runs clear, then close the drain and refill the system with a 50/50 mix of coolant and distilled water. Run the engine with the heater on high for a few minutes to circulate the new coolant, and check for any leaks before sealing everything back up. Finally, monitor the coolant levels and top off as needed.

What is the sensor connected to the thermostat housing on a Chevy 305?

The sensor connected to the thermostat housing on a Chevy 305 is typically the temperature sensor or coolant temperature sensor. This sensor monitors the temperature of the engine coolant and sends that information to the engine control unit (ECU) or the gauge on the dashboard. Accurate readings from this sensor are crucial for optimal engine performance and efficiency. In some setups, there may also be a sender unit for the temperature gauge.

Can iroc 22inch rims fit on a Monte Carlo ss?

Yes, 22-inch rims can fit on a Monte Carlo SS, but it's important to consider several factors such as tire size, offset, and suspension modifications. Larger rims may require adjustments to avoid rubbing against the wheel wells or suspension components. Additionally, you should ensure that the overall diameter of the wheels and tires does not significantly alter the car's handling or performance. Always consult with a professional or a knowledgeable automotive specialist before making modifications.

Can a 5.7 spider intake manifold fit a 5.3 vortec?

No, a 5.7 spider intake manifold is not directly compatible with a 5.3 Vortec engine due to differences in design and bolt patterns. The 5.3 Vortec typically has a different intake port shape and alignment compared to the 5.7. However, with modifications and the right adapter plates, it may be possible to make them work together, but it's not a straightforward swap. Always consult an expert or do thorough research before proceeding with such modifications.

What can you add to your 305 V8 for more horsepo?

To increase horsepower in a 305 V8, consider upgrading the intake manifold and carburetor for improved airflow. Adding a performance camshaft can enhance engine timing and valve lift, further boosting power. Additionally, installing headers and a high-performance exhaust system can help improve exhaust flow, which contributes to increased horsepower. Finally, tuning the engine with a performance chip or ECU reprogramming can optimize fuel delivery and ignition timing for better performance.

Will a 350 crankshaft fit a 305?

A 350 crankshaft can physically fit into a 305 engine block, as both are small block Chevy engines and share similar dimensions. However, using a 350 crankshaft in a 305 will alter the engine's displacement and compression ratio, which may require modifications to the engine's components and tuning. It's important to ensure compatibility with other parts like pistons and connecting rods for optimal performance. Always consult with an engine expert or mechanic for specific guidance on such modifications.

How much horsepower difference between stock and vortec heads on a 350 Chevy?

The difference in horsepower between stock heads and Vortec heads on a 350 Chevy can vary, but typically, upgrading to Vortec heads can yield an increase of around 30 to 50 horsepower. Vortec heads are designed for better airflow and combustion efficiency, which contributes to this gain. The actual increase can depend on the overall engine setup and tuning.

Will it bend your valves if the engine jumps time in a 305?

Yes, if a 305 engine jumps time, it can bend the valves. This typically occurs when the timing chain or belt fails, causing the pistons to collide with the valves during operation. The severity of the damage depends on the engine's design; in interference engines, this is more likely to occur. Regular maintenance of the timing components can help prevent such failures.

Where do you find temperature 1986 305 engine?

The temperature for a 1986 305 engine, typically found in Chevrolet vehicles, can be monitored using the engine's temperature gauge on the dashboard. Additionally, you can check the coolant temperature using an OBD-I scanner if the vehicle is equipped with one. For a more hands-on approach, the temperature can also be measured using an infrared thermometer or a traditional temperature gauge placed in the coolant system. Always refer to the vehicle's service manual for specific temperature ranges and diagnostic information.

Where do you put the ac bracket on a 305 engine?

On a 305 engine, the A/C compressor bracket is typically mounted on the driver's side of the engine, often attached to the front of the cylinder head or the intake manifold. The specific mounting points can vary depending on the year and type of vehicle, so it's important to refer to the service manual for your specific model. Ensure that the bracket is securely fastened and aligned properly to avoid any issues with the compressor operation.