Do I need a tune for Walbro 255?

So in answer to your question. No. A tune is not required and you will not run rich.

How many amps does a Walbro 255 draw?

Fuel pump flow rates and current draw at 12 volts

Pressure (psi)	190 ltr/hr fuel pump (gal/hr)	“high pressure” 255 ltr/hr pump (amps)
10	52	4.8
20	48	5.5
30	44	6.3
40	40	7.1

How many Lph do you need for 500HP?

Making the Choice

Fuel Pump Free Flow	Carbureted Engine	Fuel Injected Engine
30 gph/114 lph	350 hp	300 hp
40 gph/155 lph	450 hp	400 hp
50 gph/190 lph	600 hp	500 hp
67 gph/255 lph	750 hp	650 hp

Can I upgrade fuel pump?

The fuel pump is one of the first items to be upgraded. When finding a new fuel pump, you will need one that is capable of flowing enough fuel to meet your needs. While you should always plan on a little bit larger than you think you need, it can be overdone.

Do you need a tune after injectors?

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

Are Walbro 255 Universal?

Walbro in-tank electric fuel pumps utilize a proven gerotor design….Walbro GSS342 Intank Fuel Pump 255LPH High Pressure (Universal)

Brand	Walbro
Part Number	GSS342
Short Description	Walbro Part Number: GSS342 Type: Universal Intank Fuel Pump Fuel: Gas Horsepower: 500HP+ Flow Rate: 255LPH Caution: Extremely High Counterfeit Rate – Buy from an Authorized Dealer Only

How many amps should a electric fuel pump draw?

On most vehicles, a new fuel pump draws about three to five amperes of current. This amperage or current draw can be measured at the fuel pump fuse located in the vehicle’s fuse box.

Are all Walbro 255 the same?

At that same 80 PSI the equivalent HP (high pressure) fuel pump will flow over 210 liters (50 gallons) per hour. Walbro in-tank electric fuel pumps utilize a proven gerotor design….Walbro GSS342 Intank Fuel Pump 255LPH High Pressure (Universal)

Brand	Walbro
Part Number	GSS342

Can a fuel pump be too big?

Too big of a cam for your combination will cause a loss of low end torque and make drivability suffer. Such is the case with fuel pumps, to some degree. This causes fuel pressure to build up to the level that the regulator was designed to maintain. Eventually, all unused fuel is returned to the tank.

What kind of fuel pump does Walbro make?

Made in the USA by TI Automotive (formerly known as Walbro). Walbro’s GSS340 , GSS341 , GSS342 fuel pumps are 255LPH high-pressure GSS series in tank fuel pumps. GSL392 is also a 255LPH high-pressure fuel pump, however, this model is an inline fuel pump, which means it usually mounts outside the fuel tanks.

What is Walbro high-performance fuel?

Walbro performance fuel systems are designed to deliver the speed, power, torque and reliability you expect. That’s why Walbro high-performance fuel pumps and modules are developed and built specifically to meet the demands of today’s high-pressure and high-flow engines with efficient and durable performance. Our Industry-leading products include:

What kind of fuel pump does walterbro gsl392 have?

Walbro GSL392 255LPH High Pressure Inline Fuel Pump are extremely popular upgrades to vehicles with engine and performance modifications, supporting up to 650 horse power. – Pressure: 255 (LPH) Liters Per Hour- AMP: 20 – OE-proven second generation. – Fits most EFI applications including turbo and supercharged.

Is Walbro owned by TI?

As a brand of TI Automotive, Walbro has the backing of a global manufacturing and testing network. Through its position as a global Tier-1 supplier, TI Automotive utilizes its expertise in automotive fluid systems to provide fluid storage, delivery and carrying technology to nearly 70 percent of the world’s vehicles.