Why is the Chevy 305 a bad car?

The eight cylinder Chevrolet 305 is poorly regarded because of poor factory performance, especially when compared to Chevy’s larger 350 engine. While General Motors had to make some compromises in the initial design, the result is an engine that older car owners can tune to a “sweet spot” between horsepower and fuel efficiency.

How much horsepower does a Chevy 305 have?

Because the 305 was designed to provide moderate power while retaining relative efficiency, drivers looking for pure horsepower or great mileage are going to be disappointed. This engine could be modified to deliver 350 hp, but a balance of snappy (though not outstanding) performance with decent gas mileage better fits most drivers’ needs.

What’s the best way to fix a Chevy 305?

A solution is to install a larger exhaust valve so shrouding will be less of a concern. Also, take a look at replacing the a two barrel carburetor with a Throttle Body fuel injector (TBI) or a four barrel “Quadrajet” carburetor.

Can a Chevy C / K 1500 engine not start?

Chevrolet C/K 1500 Questions – truck will not start, engine turns, but does not fire at all. – CarGurus truck will not start, engine turns, but does not fire at all. other computer-related things that could be interfering?

What’s the best carb for a Chevy 305?

Edelbrock 1405 is the best carburetor for a Chevy 305, in my opinion. It is efficient, super light and also very easy to install. If you are looking for a carburetor that’s highly responsive and efficient then Demon 1900 can be a viable option. It idles at 800 RPM and comes fine-tuned.

How much fuel do you need to Prime a carburetor?

The amount will vary by carburetor and engine, but 70 ml should be enough for most carbs. Disconnect the hose that connects the fuel pump to the carburetor.

When did the Chevrolet 305 V8 engine come out?

As America faced an energy crisis and the government began to regulate a car’s emissions, General Motors made adjustments to many of their small block, V8 engines. GM introduced the Chevrolet 305 engine in 1976 to provide a smooth driving performance while allowing for lower octane fuels and lower emissions.

Why does my 350 Chevy truck not start?

350 chevy truck cranks but won’t start – Maintenance/Repairs – Car Talk Community Truck ran fine with no indication of problem. When outside temp. dropped in teens one morning it wouldn't start.

Why does my C / K C10 stop running?

I have a 1984 c10 with a 85-86 Trans am 305 motor that was running ok this morning, well tell me why when I go try to turn it back on few hours later starter starts making grinding noise and is unable to turn the engine just my luck so I go to the auto parts store pick up a new starter slap it in and go to turn the ignition and NOTHING happens …

What was the name of the 1980 Chevy 305?

The 305 was even used for a special edition 1980 Corvette. After 1996, GM installed the Chevy 305 in small Chevy and GMC trucks and SUVs and renamed the Vortec 5000.

When did the Chevy C10 get a new engine?

A coil-spring front suspension came in 1963, along with a new base engine, a 140 hp 230 cubic inch Inline 6, and an optional 165 hp 292 cubic inch Inline 6 GM modified the cab in 1964 when they eliminated the wrap around windshield and added a new front grille design. They also made some interior changes, but kept the original body design.

Why does my Chevy Silverado truck not start?

The starting problems of a vehicle can be different. In some cases the truck starts at least sporadically and allows its owner to drive independently to the nearest specialist workshop. In other cases, the truck won’t start until the underlying problem is solved. The nature of the starting problems depends on their cause.

Why does my Chevy C / K 1500 not start?

FYI – If the pass lock isn’t working properly, the computer will not keep the fuel pump on when the key is turned to start and released. 72 people found this helpful. Note: If the battery dies or is disconnected, or the computer is disconnected, this procedure may have to be repeated.

When did the Chevy 305 engine get replaced?

The engine was replaced by the Vortec 5000 in 1996. Because the 305 was designed to provide moderate power while retaining relative efficiency, drivers looking for pure horsepower or great mileage are going to be disappointed.

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

Why does my car not start when I push the start button?

False input or lack of input from sensors like the crankshaft position sensor (CKP) or camshaft position sensor (CPS) can prevent the engine from starting. Also, a bad throttle position sensor (TPS) may cut off the spark to the cylinders.

What kind of cars have a Chevy 305 engine?

Inspired by the popular Chevy 350, the 305 had a more narrow bore and was placed in many wide-bodied GM model cars. The Chevrolet Camaro, Caprice, Malibu, El Camino and Monte Carlo implemented the 305 along with the Pontiac Firebird and Grand Prix, Buick Skylark and Regal, the Oldsmobile Cutlass and Custom Cruiser, and the Cadillac Brougham.

How can I tell if my C10 truck is re wired?

This is actually a common problem in 70s and 80s C10s and no one ever get’s the right answer. If no one has re-wired this truck in the past then turn your key to the run position and check to see if your turn signals and back up lights are working.

What kind of carburetor do I need for my Chevy C10?

The last thing you want is an engine overheating to keep you off the road. Head down to AutoZone today to grab a new Chevrolet C10 carburetor to keep your truck cruising. Your carburetor gives your engine the right amount of fuel and air to rev it up.

What’s the idle speed of a 1988 Camaro?

When in gear (ex. Reverse, Drive, 2nd, 1st) my car idle “settles” around 750 on the tach, but then starts to fluctuate around there, moving up to 900 (or so) then dips down to about 500 on the tach. While the idle speed is fluctuating my voltage drops dramatically.

What makes a’91 TBI 350 surging at idle?

It basically almost dies out, and then surges back to life (probably a little higher than normal idle), then repeats continuously until you apply some throttle. If I had to guess, I’d say it’s a dirty throttle body, or possibly injecters. If it is one of these, what would be the best way to clean them?

What kind of car has a 305 engine?

Stodgy models like the Chevrolet Caprice, Oldsmobile Cruiser wagon, and the Buick Skylark used the engine, giving it a reputation as under powered. However, the 305 can also be found in the more demanding Camaro line as well as light trucks and vans. The engine was replaced by the Vortec 5000 in 1996.

What kind of engine does a 305 Chevy have?

The Chevrolet 305 was the engine of choice for millions of full-sized GM cars and trucks that were too large for a V6 but didn’t require a 350 just to cruise around town. However, hot-rodders from the dawn of time have made a religion out of modifying just such pedestrian offerings and turning them into hard-core racers.

How to get 350 horsepower out of a 305 Chevy small block?

Bolt a 500 cfm carburetor to the manifold atop the nitrous plate, and install a GM High Energy Ignition (HEI) distributor with 8 mm plug wires. Use a set of high heat-range plugs that can withstand the nitrous, and use a nitrous-compatible ignition control box to retard timing while running under nitrous.

Where is the throttle body fuel pump located?

As you’re already aware, the throttle body fuel injection system on your 1987 to 1995 4.3L, 5.0L, or 5.7L pickup (or SUV) uses a low pressure (12 PSI) electric fuel pump located in the gas tank.

What was the year of the Chevy TBI throttle?

1987 1988 1989 CHEVY GMC TBI THROTTLE BODY TRUCK / SUBURBAN w/7.4L / 454c.i. V8. If you are not sure about your application please don’t hesitate to contact our sales/tech dept by emailing us and we will gladly help you.

What’s the problem with the Chevy 305 engine?

The primary problem with the Chevrolet 305 engine is the narrow 3.736 bore, which results in insufficient airflow compared to a larger block.

Why does my Camaro have an idle problem?

Has idle problem about one day a week. Take a real good look at the throttle “butterfly” valve. They have a tendency to get buildup with dirt and will stick slightly open, confusing the computer into thinking that you are pushing on the “go” pedal.

Why does my IROC Z 305 Ping so much?

You will get some pinging due to no EGR flow, but if the idle or just off idle improves, the EGR is opening too fast due to carbon buildup inside the valve and must be replaced.

Where is the idle air control valve on a Camaro?

I’m going to say check your IAC valve (idle air control), this is located on the passenger side underneath the throttle body. These get all carboned up and can’t re-seat themselves properly. You may have to perform a minimum idle setting also.

When did the Chevy 305 engine come out?

The 305 cubic inch (5.0 liter) engine was introduced in 1975 to meet federal emissions standards while improving GM’s fleet mileage average. Performance was not a initial concern.

Is there a 1984 GMC Sierra short bed?

Hello everyone and thanks for taking the time to view my 1984 GMC Sierra Classic short bed. This truck was special ordered back in 83 as an early build 1984 model with some very nice features (some are very rare), and is absolutely incredible.

What kind of paint is on a 1984 GMC Sierra?

This 84 short bed survivor is completely stock and all original other than the Desert Sand (code 64) paint was repainted about 10 years ago. The truck has never been in an accident and has never had any panels replaced, but the Desert Sand paint was resprayed due to fading.

What should I do if I have a problem with my GMC?

If you’re having a problem with your GMC vehicle, you probably want to get it diagnosed and functioning properly. Running to a mechanic over every symptom gets expensive, but small problems tend to grow into larger and usually more expensive ones if left untended.

What kind of cars did GMC make in 1984?

Research used 1984 GMC values for all models. Autos Motorcycles RVs Boats Classic Cars Manufactured Homes Store Pricing & Deals

The 305 cubic inch (5.0 liter) engine was introduced in 1975 to meet federal emissions standards while improving GM’s fleet mileage average. Performance was not a initial concern.

How to get 350 horsepower out of a 305 Chevy?

Install a set of ceramic-coated headers with equal-length, 1-1/4 inch primaries. Bolt a wet-flow, plate-type nitrous system to the intake manifold and follow the manufacturer’s recommendations for nitrous solenoid and plumbing installation. Install 75-horsepower jets for your first-stage tuning.

How to know if your engine has no spark?

First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.

When did the Chevy small block 305 come out?

As the muscle car era was fading and fuel economy become increasingly important, Chevrolet introduced the small block 305. It featured a 3.75″ bore and a 3.48″ stroke. Through most of the mid ’70’s and early ’80’s the 305 was used on a widespread basis.

Where does the knocking come from in an engine?

Another possible source of engine knocking isn’t actually coming from the engine itself at all. It could be coming from the accessory belt. As the engine runs, it turns a belt that’s connected to various pulleys throughout the engine bay. This belt must be under the exact right amount of tension so that it turns smoothly and quietly.

Why does my GM Truck start so cold?

Look up piston slap to study it more its mostly from the short piston skirts that allow the piston to rock around more when cold. Also different oils help, i run moble 1 truck 5w30 in my truck with 116k on it. I have heard that gm top end cleaner and the 3m kits work well.

When does the engine knock noise go away?

Some of the above vehicles may exhibit an engine knock noise that begins in the first 19,000-24,000 km (12,000-15,000 mi) of use. The knock noise is most often noticed during initial start-up and typically disappears within the first 5-30 seconds (may last longer in extreme cold temperatures).

What was the loud cold start knock that went away?

A few months ago my nephew went to a quick oil change place and they talked him into a “engine cleaning”. They added it to his oil, ran it for 15 minutes, drained the oil, changed the filter and refilled with oil. On his way home, the truck with 101,000 miles on it threw a rod, popped it right out of the side of the block.

Where does the morning sickness knock come from?

The morning sickness knock can come from two areas (assuming engine wear is normal for the mileage), the lifters and piston slap (as has been suggested). Neither one will hurt the engine, just piss off the owner.

What kind of car is a GMC Caballero?

This single family owned since new time capsule 1984 GMC Caballero is absolutely gorgeous inside an This 1979 GMC Caballero is an upgraded machine with a modern fuel-injected V8, sporty interior, and Gateway Classic Cars of Philadelphia is presenting 1985 GMC Caballero SS Diablo.

What kind of engine does a Chevy 305 have?

It has the small bore of the 265 Chevy engine (3.75 inches) and the long stroke of the 350 Chevy engine (3.48 inches). Many parts are interchangeable between the small block engines, and most maintenance procedures are the same. This includes engine timing. Warm up then engine then turn it off.

How to time a Chevy 305 engine step by step?

How to Time a Chevy 305 Engine Step 1. Warm up then engine then turn it off. Step 2. Attach the timing light by clamping the spark plug lead over the number one spark plug wire. The number one wire… Step 3. Locate the timing mark plate on the timing cover. If it is hard to see the numbers,

Why is the Chevy 305 a bad car?