If you’re looking to make a 383 stroker engine from a 350, you’ll need to start with the right parts. You’ll need a stroker crankshaft and pistons, connecting rods, a balancer and torque converter, valve springs, an oil pan, timing chain and components, a camshaft and timing chain and gears, and gasket set.
The oil pump should also be upgraded. Additionally, the heads should be ported and polished for improved airflow. In terms of machining, you’ll need the block bored and honed with the stroker crank and stroker pistons, as well as checking tolerances and clearances within the engine.
Once all of these components and modifications are complete, you can assemble the engine and complete a dyno run to test and monitor performance.
Table of Contents
How much bore do I need for a 383?
The bore size you need for a 383 depends on many factors, including what type of engine you’re going to build and what type of performance you’re looking for. Generally speaking, If you are using a stock or mildly modified LS-series or LT-series based 383 cubic inch engine, the recommended bore size is 4.
030”. If you are building an all-out racing engine, then 4. 125” is often used. Ultimately, you need to do some research and contact a reputable engine builder to help you determine the correct bore size.
What do you have to do to make a 350 a 383 stroker?
In order to successfully convert a 350 motor into a 383 stroker motor, you need to acquire the necessary components and complete the appropriate steps. These components include 173/400 hydraulic flat tappet cam, 8.
5-to-1 compression ratio pistons, a 4-bolt main bearing cap with studs, a cast crankshaft, and newly machined cylinder heads.
Additionally, it is recommended that the engine block be thoroughly inspected and cleaned. The most important aspects to look at are the cylinders, oil galleys, main webs, deck surfaces, and bolt helicoil inserts for the head bolts.
If there are any signs of excessive wear, the block should be bored over and larger sleeves should be installed.
Once all of the components have been acquired and the engine block has been inspected, the components should be assembled. This process involves pairing the cam and crankshaft together, installing the new pistons and associated hardware, honing the cylinders, installing the cylinder heads, and finally, rebuilding the bottom end of the motor with the new crank and bearing install.
Finally, it is important to recognize that the motor will need to be tuned and all of the necessary fluids must be added. While converting a 350 motor into a 383 stroker motor is a lengthy process, the results can create a reliable and powerful motor that is ready for the upcoming season of modification and acceleration.
How much HP does a 383 stroker add?
The amount of horsepower a 383 stroker engine will add to a car or truck depends on a variety of factors, including the internal components used in its construction. Generally, a 383 stroker build will produce approximately 400-425 horsepower.
However, components like camshafts, pistons, cylinder heads, and fuel delivery systems will drastically affect the final horsepower output; higher-quality components can increase horsepower by as much as 50-100 horsepower.
For example, depending on the combination of components used, a 383 stroker engine that has a camshaft with a longer duration and more aggressive lift, a pair of aftermarket cylinder heads, and higher-quality fuel system components may produce up to 500-550 horsepower.
If you choose to build a stroked engine, proper selection of components and careful tuning of the engine are essential to maximizing performance and efficiency.
What size pistons for a 383 stroker?
The size of pistons for a 383 stroker depend on what you’re trying to accomplish. Generally, a flat top piston is recommended; this will give you a compression ratio of around 8. 5-9. 5:1. This is a good combination for street driven vehicles.
If you’re looking to increase your power output, you might want to choose a domed or dished piston. This will increase your compression ratio and offer more power. The size of the piston needed will depend on what combination of stroker crank, rods and cam you are using, as well as the type of fuel you’ll be running.
It is important to consult with a knowledgeable engine builder or machine shop to find the right pistons for your buildup.
Can a 383 stroker make 500 hp?
Yes, it is possible for a 383 stroker motor to make 500 hp depending on its components and supporting modifications. Many factors play a role in the output of an engine including its displacement, the camshaft, the cylinder heads, and the induction setup, among other things.
Typically, a 383 stroker engine is composed of a 350 block, a 3. 75-inch stroke crank and a set of 6-inch rods. With the right combination of supporting mods, it is possible for the engine to produce over 500 hp.
Some of the necessary modifications may include aftermarket performance heads, either a single plane or dual plane intake, a performance camshaft, MSD ignition system, high-flow headers, and a power-adding exhaust system.
In addition, the combination of fuel delivery, fuel type, and boost level must also be taken into consideration when looking to increase power output with a 383 stroker engine.
How much can you bore a 383 Mopar?
The amount a 383 Mopar can be bored depends on the vehicle model and other factors. Generally speaking, most 383 Mopar engines can be safely bored up to 4. 030″. This would bring the engine displacement up to 400 cubic inches (6.
6L). If the engine came from a sporty vehicle, such as a Charger or Challenger, then the bore size could be increased to 4. 155″ (408ci). Going any larger than that does run the risk of cracks and other issues.
It’s important to note that larger bore sizes will affect the overall power output and can decrease the engine’s life span. As always, when increasing the bore size it’s important to invest in new pistons, rings, bearings and other engine components to ensure the highest levels of performance and reliability.
What is the bore on a 383 Mopar?
The bore size on a stock early 1970s Mopar 383 Big Block engine is 4. 25 inches (108mm). The stroke measures 3. 38 inches (86mm) and the compression ratio varies depending on the type of engine (low, regular, or performance).
This engine is capable of producing up to 400 horsepower, and is a popular option for custom hot-rods, drag racing, and other motorsport applications. The bore size has remained constant since its introduction, but aftermarket options can allow builders to increase the bore size up to 4.
45 inches (113mm). The larger bore size combined with the higher compression ratio of aftermarket options can bring output to 450+ horsepower.
How much does it cost to build a 383 stroker engine?
The cost to build a 383 stroker engine can vary greatly depending on the components and services chosen, as well as the type of engine. While a basic short block (engine block and internal components) can be found for around $1,500, adding components and services like crankshafts, heads, cams and machining can quickly increase the cost.
A full 383 stroker engine build with standard performance parts could cost anywhere from $3,000 to $5,000. If more specialized parts, such as forged pistons, billet crankshafts and exotic heads are used, then the cost can be anywhere from $5,000 to $10,000 or more.
In addition to the cost of the components and services needed for the build, you will also need funds to cover fluids, gaskets and other incidental costs. When budgeting for a 383 stroker engine build, it is important to add a cushion for these miscellaneous costs.
How much horsepower does a 383 stroker have with aluminum heads?
The exact amount of horsepower produced by a 383 stroker engine with aluminum heads depends on a variety of factors, including the type and brand of cylinder heads, cam selection, induction system, and other components.
Generally speaking, a 383 stroker engine with aluminum heads can produce between 400 and 500 horsepower naturally aspirated, with power levels typically reaching 500 or more when equipped with a supercharger or forced induction setup.
Higher power levels are possible with higher compression ratios, which may require the use of non-OEM components such as high compression forged pistons. Good cam selection coupled with an efficient induction system can also provide significant gains in horsepower along with torque.
Can you get 500hp out of a 383 stroker?
Yes, it is possible to get over 500 horsepower out of a 383 stroker engine. A stroker engine is an engine with a larger crank, connecting rods, and pistons, which increases the engine’s cubic inches and displacement.
When built properly, a 383 stroker can generate up to 550 horsepower with the right combination of parts. The key to getting the most power out of a 383 stroker is selecting the right components, including the right camshaft, piston rings, and the right type of fuel delivery such as a fuel injection or carburetor.
Additionally, the type of cylinder heads and the type and size of the intake manifold should all be considered for maximum power output. In addition, factors such as compression ratio, ignition, and exhaust affect the overall performance of the engine.
If properly designed and built, a 383 stroker can offer impressive power, torque, and performance.
Is a 383 stroker a fast engine?
A 383 stroker engine is a type of small-block V8 engine built by combining a 330 or a 336 cubic inch engine block with a larger crankshaft stroke of 3. 75 inches. The resulting engine displacement is 383 cubic inches, more than enough to make it a fast engine for its size.
The extra displacement of the stroker brings extra power and torque. With the right combination of performance parts, a 383 stroker engine can be tuned to generate up to 500 horsepower and 500 lb-ft of torque with a slightly increased compression ratio.
This horsepower and torque make the engine fast in both low-end and high-end applications. Its good torque and high-end power make it a popular choice for street cars, off-road rides, and dragsters alike.
All in all, a 383 stroker engine is a fast engine when compared to other engines of its size.
How can I add 50 hp to my car?
The best way to add 50 hp to your car is to purchase a power adder like a supercharger or turbocharger kit. This will add forced induction to your engine which, in turn, can add 50 hp or more. A power adder kit can be expensive, but it’s worth the money in terms of improved performance.
Alternatively, you can purchase a cold air intake that will allow your engine to breathe more efficiently, resulting in more horsepower. Aftermarket exhaust systems can also add horsepower if they are properly engineered.
