I would like to add a supercharger

I am in the market but need to decide if it is a good idea to put a super charger on it.

My car has 14000 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
Hello and thank you for contacting YourMechanic. When it comes to beefing up an engine, a supercharger is a good way to do so. When deciding on what supercharger you would need, first you need to know is that your engine is a stock engine with 10.8 to 1 compression ratio, which could be too much of compression for a supercharger.

When selecting a supercharger, you would need to find one that has an adjustment to reduce the pressure. Most superchargers produce anywhere from 4 psi of boost to 20 psi of boost of cars. I recommend having the boost at 8 psi and less. Do not exceed 8 psi of boost or the engine could come apart for it is not built to handle more than 8 psi of boost. If you are really interested in adding some power to the engine, then this could be a good way to do so. But you will have to consider the cost and how much work it will take to have this done and weigh that against the amount of power that you are adding.

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Air Intake. Finding additional power increases from the Miata is difficult, but not impossible. One of the easiest and most cost effective methods to increase power and throttle response is by installing a higher flowing, less restrictive air intake system. A bit of background information at this point is helpful.
Pricing for supercharger and full kit:

The Mazda Miata MX-5 supercharger systems provides instant throttle response and a progressive power curve that increases all the way to redline without the typical spiking or surging turbochargers are known for.

They can push the output from the 2.0-liter engine to 250 horsepower (186 kilowatts), which is a major upgrade from the standard 155 hp (116 kW). The core of both stages is the installation of a Rotrex supercharger.
The best mods we recommend for your MX5 are a tune/remap especially on a turbo, a fast road camshaft and sports exhaust, with a good air intake. NA (naturally aspirated) engines do not achieve big power gains if you tune/remap them, unless you have done extensive modifications.
The borderline at which the MX5 is when it comes to performance becomes pretty tiresome after a while and the best solution by far is adding a turbo. Luckily, we are not the first who came up with this kind of a solution, so there is a lot of experience related to turboing up the MX5 out there.
Because superchargers push the air/fuel mix into an engine, they`re well suited to stock motors — provided you don`t get greedy with how much boost you want to run or how hard you want to rev the engine.
And because a stock engine can be used with a supercharger, it would be just as easy to operate or maintain. This makes it less exotic and more practical. Of course, certain guidelines should be followed when it comes to superchargers.
Supercharger or turbocharger

A turbocharger works with the exhaust system and can potentially give you gains of 70-150 horsepower. A supercharger is connected directly to the engine intake and could provide an extra 50-100 horsepower.

A supercharger can increase an engine`s power by 50 to 100 horsepower. On the other hand, a turbocharger can increase an engine`s power by 70 to 150 horsepower.
While the MX-5 maximizes smiles-per-mile, it`s never held a reputation as a viable daily driver. We, the under-30 crowd, tend to browse right past two-seater convertibles on the used car lot, opting for something more sensible.
One of the easiest and most economical ways to noticeable improve the handling of your Miata, without increasing ride harshness, is by upgrading your sway bar set. A new sway bar set will reduce the body roll of a Miata MX-5 while helping to increase traction and improving weight transfer during manoeuvring.
The NB Miata is undoubtedly one of the best driver`s cars on the face of the planet. To that point, the very attributes that make it a brilliant driver`s car (lightweight, RWD, short-ratio manual) are those which make it a sub-par daily driver. Can the Miata be driven daily? Of course.
2004 Mazdaspeed MX-5 Miata

With a 1.8-liter turbocharged four-cylinder engine making 178 HP and 166 lb-ft. of torque, the 2004-2005 Mazdaspeed MX-5 Miata is the most powerful Miata ever produced.

The fourth-generation Mazda MX-5 was unveiled in 2014 and has been in production since 2015. An updated model was introduced in 2019 and is visually identical to the pre-update model; the engine was upgraded to 135 kW (181 hp) and a dual-mass flywheel introduced to the powertrain in the manual transmission.
One of the easiest and most economical ways to noticeable improve the handling of your Miata, without increasing ride harshness, is by upgrading your sway bar set. A new sway bar set will reduce the body roll of a Miata MX-5 while helping to increase traction and improving weight transfer during manoeuvring.
The fourth-generation Mazda MX-5 was unveiled in 2014 and has been in production since 2015. An updated model was introduced in 2019 and is visually identical to the pre-update model; the engine was upgraded to 135 kW (181 hp) and a dual-mass flywheel introduced to the powertrain in the manual transmission.
Mazda MX-5 Miata Engine Specs

181 hp isn`t an overwhelming amount of power, but it`s important to note that the Miata only weighs between 2,341 and 2,403 pounds (depending on your choice of transmission).

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

I do have $7,000 to spend. I would like to have the SUV. I’ve driven a Toyota 4Runner, but what would you recommend?
ANSWER : Hi there. When it comes to purchasing a SUV vehicle, there are many factors to look into before making your decision. The following is a list of factors to check out:

The price
Research the vehicle type maintenance and recalls
Having a budget to repair the vehicle, not just buy it
Knowing the safety features of the vehicle
Having a report on the vehicle for any accidents and all maintenance performed
It is best to buy a used vehicle that has more than 30K miles on it if you are going to buy a used vehicle – break in period
Does the vehicle have the storage and room you desire

There are many different SUV vehicles on the market and there is not just one to choose from. A pre-purchase inspection will have you decide if the vehicle is worth owing or not. If you need further assistance with your vehicle decision, then seek out a professional, such as one from Your Mechanic, to help you.

My car doesn’t respond to the gas pedal like it should
ANSWER : Hello, thank you for writing in. The engine is likely sensing an issue and compensating for it. When you restart the vehicle, the component may be passing its start up tests, and the engine stops trying to outperform itself. Start by having the vehicle scanned for diagnostic codes. If there is another sensor to blame, it may show up there and make diagnostics a lot easier. If not codes come up, you will want to test the fuel pressure available at the engine, and make sure the fuel system is working properly. You can also clean the throttle and test the throttle position sensor. For more help with diagnosing and resolving the issue, contact our service department to schedule an appointment.

It feels like my car is about to break down, like I am very carefully carrying the engine home so it doesn’t fall out.
ANSWER : Hi there. I would typically start by checking to see if the check engine light is on and then I would scan the computer for codes. This can give some insight as to what is going on. If there are no codes then I’d monitor the signal from the sensors to make sure that they are all working fine. If those are also fine then the issue sounds like it may be a catalytic converter or a transmission problem. This vehicle has a history of transmission failures that could cause this. Also, if the catalytic converter fails it will cause the same symptoms. I usually test the converter for any signs of failure and do a back pressure test of the exhaust before getting into the transmission. If you’d like assistance in diagnosing this issue, a certified YourMechanic technician can inspect these issues with your engine hesitating and help diagnose your vehicle.

Your issues with the air conditioning unit are likely unrelated to the issues with your engine, and you will likely need your AC unit inspected in order to diagnose that issue.

went from starting quick to running like crap and sound like crap also has a small back fire noise like say B with ur lips silnt
ANSWER : Hello there. If the fuel tank is contaminated with debris, it should be either replaced or completely cleaned out. However, the problem with older fuel cells is they are metal, and likely have a lot of rust in the fuel cell; which will contaminate the fuel and lead to the "running like crap" issues. It is also possible that you have an exhaust leak which can create the same type of sound and backfiring problems.

My truck feels like it wants to shut off when I’m parking or at an idle.
ANSWER : Hi There,
The throttle position sensor monitors the throttle position of the throttle plate inside the throttle body in relation to your foot position on the gas pedal. Based upon the inputs from the sensor reading your foot’s position on the pedal, the ECU then makes the direction to supply more or less fuel to the motor. When this sensor is not working properly, this can cause intermittent responses when pressing the gas pedal as you describe. I would suggest having a professional from Your Mechanic come to you home to diagnose your vehicle’s running condition.

im planning to buy a certified pre owned BMW x3 si 2009, i would like to know what is the cost for maintenance, like routines thin
ANSWER : Hi there. We have create a great online tool that details all of the scheduled maintenance and repairs for most vehicles sold in the United States. You can look up your particular vehicle’s details by clicking this link. From there, you will be able to review estimated costs for repairs. Another resource you might want to consider is looking up BMW repair estimates on Edmunds.com.

I have a 2013 hyundai elantra. today my car would not shift out of 1st gear and would not go over 20 miles per hour it was like i
ANSWER : It sounds like the transmission may have gone into limp mode. An electronic or mechanical issue with the transmission is telling the transmission control unit to keep the speed and shifting down. If you are the original owner of the vehicle, the engine and transmission are under a 10 year or 100,000 mile warranty. If you are not the original owner, the engine and transmission are still covered for 5 years or 60,000 miles. You should call your local Hyundai dealer service department and have the vehicle towed in as soon as possible.

I have a 2017 Tacoma that is 2wd drive and I would like to convert it into 4wd is that possible and how much would it cost?
ANSWER : You would have to change the transaxle. Changing the transaxle requires a different transmission control module interface which would in turn require either a different powertrain control module (most likely) or re-programming. The altered weight of the vehicle would require retrofit of the 4-wheel suspension that was built for the 4 wheel drive version and of course the front suspension, hubs, bearings, etc. would all have to be changed because those wheels would be driven. All the controls in the cab would have to be added. The ABS and traction control systems would probably have to be changed out. Roughly, all of this would cost at least $15,000 because all of those parts are dealer only and all will have to be bought new. As an economic proposition, it would be less costly, and you would reduce the substantial risk of technical issues arising, if you traded in the car and bought the version that was already factory equipped with 4 wheel drive. That will be the least cost option, and by a significant margin, principally due to the high cost of the individual parts (the mark up on the parts). If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.