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Home » Can You Have Too Big Fuel Injectors? The 15 Detailed Answer

Can You Have Too Big Fuel Injectors? The 15 Detailed Answer

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It’s easy to fall into the trap of thinking that bigger fuel injectors equal more power, but unless your engine is set up to deal with the extra fuel, you’ll be on a fast track to trouble. The excess fuel will flood the engine and it either won’t run at all, or will be running too rich.You want to size the injector for the power you want because injectors have a minimum amount of fuel they can accurately deliver. If that minimum amount is greater than the fuel demand at idle your engine will run horrendously.No. If it even starts, you will risk bore-wash. Either tow it, or do the pump/rails yourself but leave the stock injectors, and swap in the bigger ones at the tuner’s place.

Can You Have Too Big Fuel Injectors?
Can You Have Too Big Fuel Injectors?

Can you run bigger injectors than you need?

You want to size the injector for the power you want because injectors have a minimum amount of fuel they can accurately deliver. If that minimum amount is greater than the fuel demand at idle your engine will run horrendously.

Can you drive a car with bigger injectors?

No. If it even starts, you will risk bore-wash. Either tow it, or do the pump/rails yourself but leave the stock injectors, and swap in the bigger ones at the tuner’s place.


🛠 Fuel Injectors – Is Bigger Really Better? | TECH TUESDAY |

🛠 Fuel Injectors – Is Bigger Really Better? | TECH TUESDAY |
🛠 Fuel Injectors – Is Bigger Really Better? | TECH TUESDAY |

Images related to the topic🛠 Fuel Injectors – Is Bigger Really Better? | TECH TUESDAY |

🛠 Fuel Injectors - Is Bigger Really Better? | Tech Tuesday |
🛠 Fuel Injectors – Is Bigger Really Better? | Tech Tuesday |

Do bigger fuel injectors increase 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.

How do I choose a fuel injector size?

Injector Math: How to Calculate Optimum Fuel Injector Size
  1. Step 1: Determine Horsepower. …
  2. Step 2: Determine Approximate BSFC (Brake-Specific Fuel Consumption) …
  3. Engine Type BSFC Using Gasoline. …
  4. Step 3: Determine Your Safe Duty Cycle. …
  5. Step 4: Calculate Your Optimum Injector Size. …
  6. Step 5: Fine-Tune the Flow.

How much power are 1000cc injectors good for?

The 1000cc Injectors can support 650+whp.

What happens when you put bigger injectors?

It’s easy to fall into the trap of thinking that bigger fuel injectors equal more power, but unless your engine is set up to deal with the extra fuel, you’ll be on a fast track to trouble. The excess fuel will flood the engine and it either won’t run at all, or will be running too rich.

Do you need a tune for new fuel injectors?

Fuel injectors directly affect the fuel / air delivery of your vehicle. New fuel injectors do require a new or updated tune.


See some more details on the topic Can you have too big fuel injectors? here:


Can you go too big on a fuel injector? – LS1TECH

You can go too large & this usually results in idle quality issues. The main reason is injectors take a certain amount of time to open & close. If the amount of …

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Larger Fuel Injectors | How do I know if I have the right size?

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 …

+ Read More Here

can injectors be too big? – Honda Forum Discussion

They’re pretty much only too big if you can’t keep your targeted AFR across the spectrum. If you want 1000CC and you or your tuner can idle them …

+ Read More Here

Cons to running too large of an injector? – EvolutionM.net

There really shouldn’t be a downside to running larger injectors if they are tuned properly and your AFRs are in check. If you are staying out …

+ View Here


Comparing Fuel Injectors for Performance and Fuel Economy

Comparing Fuel Injectors for Performance and Fuel Economy
Comparing Fuel Injectors for Performance and Fuel Economy

Images related to the topicComparing Fuel Injectors for Performance and Fuel Economy

Comparing  Fuel Injectors For Performance And Fuel Economy
Comparing Fuel Injectors For Performance And Fuel Economy

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.

How much horsepower will 24 lb injectors support?

Flow Rate Definition, Calculating Horsepower Range
Injector Flow Rate Naturally Aspirated Engine Engine w/ Power Adder
24 lbs./hr. 280-360 hp 240-300 hp
30 lbs./hr. 350-450 hp 300-375 hp
36 lbs./hr. 425-540 hp 350-450 hp
42 lbs./hr. 500-625 hp 410-525 hp
May 27, 2017

How can I make my engine run smoother?

So, to keep your car running smooth, make sure you have the following engine-related services done regularly:
  1. Change the oil.
  2. Change the oil filter, air filter and fuel filter.
  3. Check the PCV valve for proper operation.
  4. Check the spark plugs and spark plug wires.
  5. Very Hard – 10.5 and higher gpg.

How much HP will 60lb injectors support?

60′ will support 600+ rwhp with pump fuel…not the case with e85 at those levels!

What do bigger injector nozzles do?

When you go to bigger nozzles yes they will flow more fuel because of the larger holes but the internals of the injector arent calibrated or balanced to work 100% perfect with the nozzle you just bolted on. as a result of this the truck will be smokier and wont gain as much HP as a full injector set will.

How much HP will 120lb injectors support?

Rated injector flow: 120 lb/hr @ 43 PSI. Supports up to 1900 horsepower.


Are These Injectors Too Big?

Are These Injectors Too Big?
Are These Injectors Too Big?

Images related to the topicAre These Injectors Too Big?

Are These Injectors Too Big?
Are These Injectors Too Big?

How much HP can 1300 cc Injectors handle?

A: Yes, these will be good up to about 450 WHP.

How much HP can 1050 Injectors handle?

The 1050x Injectors you can do 800whp, but not much more than that.

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