What happens if you put bigger injectors?
Bigger injectors on their own will just increase fuel usage, make the engine run rich, which leads to running problems – it won’t tickover, it won’t pull cleanly through the rev range and you’ll risk major damage through ‘bore wash’ – where the fuel literally washes the oil away.
Do you need a tune after 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).
Do bigger injectors add horsepower?
3. Larger throttle body and injectors. A larger high-performance throttle body will deliver more horsepower. Depending on what type of engine you have, you can gain as much as 10-20 more horsepower and comparable torque.
Do you need a tune for 47lb injectors?
You need a tune change when doing injectors. The computer has no way of adjusting enough for the injectors with out a tuner changing the fuel tables.
Do you need a tune for injectors WRX?
E85 has a typical octane rating of around 100-110. At minimum to run E85 you will need upgraded fuel injectors, upgraded fuel pump, and tune on the EJ engine 2002-2014 WRX, 04-current STI, 05-12 LGT/OBXT, and 04-13 FXT. On the FA engine (2015+ WRX) you will need an upgraded in-tank fuel pump and a tune.
Why do fuel injectors lean out when under boost?
When the engine is under boost and at a higher rpm, it needs all the fuel the injectors can deliver. If the injectors are dirty and can’t keep up with the engine’s demands, the fuel mixture will lean out, causing detonation to occur. The leaning out may cause higher than normal exhaust temperatures and turbo failure.
When do you need bigger fuel injectors in a car?
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. Otherwise your car will be running too lean and you’ll have a situation where your it is sluggish and lacking in power at best, or at worst, you’ll burn out the pistons and destroy the motor.
Can a bad fuel injector cause an engine to go undrirified?
They are found on the vast majority of road going vehicles in one form or another. Because they are a part of the fuel system, any problems with the fuel injectors can cause all sorts of engine performance issues, that can sometimes even render the vehicle undrivable.
What happens when you tune for larger injectors?
Without changing anything in the ECU, the same pulse width would be calculated from the MAF readings but the fuel delivered would be more than before. In Open Loop operation, this would mean the AFR will be lower than intended. How do you correct this over-fueling?
What happens if the fuel injector is not working?
Fuel injectors are a vital part of a complex fuel management system. Furthermore, New technology has made fuel injectors more precise than ever in dispensing fuel. If the fuel injectors are not operating properly, then other parts of the engine will be affected as well.
Can a bigger fuel injector equal more power?
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.
Can a performance fuel injector be used with a fuel pump?
As previously stated, the installation of a performance fuel injector is a ste p in the right direction when it comes to improving your fuel system. But, to get even more power, you need to pair it with a high-quality fuel pump.
How many fuel injectors are left in stock?
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