Do bigger fuel injectors add horsepower?

The technical answer is yes; fuel injectors can add 10 extra horsepower at peak. However, for some car owners, that minimal difference does not offset the increased cost and complexity of switching to fuel injectors or upgrading the existing stock fuel injectors.
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How much HP does bigger fuel injectors add?

Larger throttle body and injectors

Depending on what type of engine you have, you can gain as much as 10-20 more horsepower and comparable torque. There is a catch, however. Go too large and you can lose power.
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Do bigger fuel injectors do anything?

The larger the diameter, the more fuel an injector can deliver. As fuel injector size increases, there are some unwanted side effects. As an injector's hole gets bigger, the minimum amount of fuel it can flow also gets larger.
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Is it worth upgrading fuel injectors?

Changing fuel injectors is not a “plug-and-play” performance upgrade, such as installing a low restriction air filter. It's something that requires knowledge about how the fuel delivery system works. In fact, upgrading fuel injectors may actually decrease the engine power if done incorrectly.
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Can I put bigger fuel injectors stock car?

You can;t do a stock tune unless you can fool the ecu into thinking it is getting more or less air. If you throw in bigger injectors it will hold that injector open for the same amount of time as the smaller injectors and it will dump TONS of fuel in.
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? Fuel Injectors - Is Bigger Really Better? | TECH TUESDAY |



When should you get bigger injectors?

Running too lean

If you've added a turbo, a higher flowing fuel pump, a bigger exhaust and remapped your computer, you're going to need bigger fuel injectors.
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How much HP does fuel injection add?

When looking at pure horsepower, the fuel injection system only delivers about 10 extra horsepower at peak. It is the ability to constantly be tuning the fuel and air intake for each cylinder that benefits the performance.
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Will bigger injectors hurt mpg?

So, as long as the gas pedal can be kept under control with the new power from the larger injectors, there will not be much of a change in average miles per gallon, if any at all.
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Do you need a tune for bigger injectors?

In general, injectors need a tune. Otherwise, your ECU is trying to drive the new, bigger injectors using the duty cycle and dead times for the old, smaller injectors, which means too much gas potentially at the wrong time (i.e. - running rich and potentially missing).
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How do you increase horsepower?

How You Can Increase Horsepower and Torque?
  1. Clean House to Increase Horsepower. ...
  2. Perform a Tune-Up on the Engine. ...
  3. Install a Turbo Kit or Supercharger. ...
  4. Install a Cold-Air Intake. ...
  5. Install an Aftermarket Exhaust System. ...
  6. Buy an Engine Tuner.
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How can I increase horsepower without a turbo?

There are many ways to increase power to your vehicle without adding a turbo or supercharger. You could change the exhaust manifold to a exhaust header and gain more power. You could change the intake to have air induction which will allow the air to be forced into the engine giving more horsepower.
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How much HP will 120lb injectors support?

Rated injector flow: 120 lb/hr @ 43 PSI. Supports up to 1900 horsepower.
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What brand of fuel injectors are best?

The Top 9 Fuel Injector in the Global Market:
  • Denso Fuel Injector.
  • Delphi Fuel Injector.
  • Magneti Marelli Fuel Injector.
  • Edelbrock Fuel Injector.
  • Keihin Fuel Injector.
  • Woodward Fuel Injector.
  • Continental Fuel Injector.
  • Stanadyne Fuel injector.
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How do I choose an injector?

Top Ten Qualities to look for in an Injector
  1. On-site Physician.
  2. Injector Qualifications.
  3. Full Disclosure of Risks and Benefits.
  4. Facility Accreditation.
  5. Professional Memberships.
  6. Reliable References.
  7. Thoroughness.
  8. Rapport.
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What makes more HP carb or fuel injection?

Warren Johnson: Properly tuned, carburetors make more peak power than EFI in a Pro Stock engine. A carb's pressure differential atomizes the gas a lot better than spraying fuel through an orifice. But EFI has a broader powerband and superior cylinder-to-cylinder fuel distribution.
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How much HP is 1000cc?

1000cc Motorcycles:

For 2-cylinder engines, expect to get about 80 to 100 HP. However, a 4-cylinder engine can get up to 180 to 320 HP for some ultra-fast acceleration.
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Which is better carb or fuel injection?

While the carburetor may have been around for over a century, fuel injection is a clearly superior alternative, delivering better power, fuel economy and lower emissions.
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Do I need a tune after new injectors?

Fuel injectors directly affect the fuel / air delivery of your vehicle. New fuel injectors do require a new or updated tune.
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How do I add 150 horsepower?

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.
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Does a cold air intake increase HP?

Cold air intake systems can increase horsepower by replacing the restrictive stock intake, with components that are designed to handle a much larger volume of air. To ensure all that extra oxygen is cold, a low-restriction K&N performance air filter is positioned where the stock air box used to be.
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Does alternator reduce horsepower?

The alternator is not 100% efficient , so your engine supplies not only the power the alternator delivers, it supplies the losses too. At 105 amps, your alternator provides 1470 watts which is 1.97 hp, or including losses, about 2.35 hp robbed.
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What is the cheapest way to increase horsepower?

(Relatively) Cheap Ways To Increase Horsepower
  1. Upgrade The Air Intake. Many gearheads start here. ...
  2. Upgrade The Exhaust. More air entering the engine means more air has to exit the engine. ...
  3. Install A Performance Tuner. ...
  4. Install A Boost Controller. ...
  5. Clean The Fuel System.
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