dxbevo9

iTrader: (6)

guys....i got my cams in as well as my fuel pump...but the fuel pump has a piece of it "nipple" broken...can i run the cams and get tuned with the stock pump until i get my hands on another pump then just swap it in or do i have to wait to get tuned with the walbro??

thanks for the replies

MRevolutionRed

you have to get tuned with the walbro again

steelcityevo8

iTrader: (18)

get another pump then get tuned. as the walbro obviously flows more fuel so adjustments need to be made to compensate for it

WrX Kila

iTrader: (18)

Negative... 255 fuel pump go hand in and with cams.

XxK1LLAxX

iTrader: (9)

get the pump bro..

bigric09

iTrader: (37)

just because you have a walboro installed doesnt mean you are flowing more fuel... it means you have the ability to and are less likely to hit fuel cut. I love how people think that when you throw the walboro in you are all of a sudden flowing this high amount of fuel when in reality you are just able to flow more fuel for when the engine calls for it

Danny23

iTrader: (7)

if you get tuned without the pump in and then put the pump in after you are going to have to get re-tuned. Put the pump in first!

bigric09

iTrader: (37)

why ? the fuel pump only allows the addition of more fuel. He may not be able to be tuned as aggressive without the pump but adding a pump does not require a retune

steelcityevo8

iTrader: (18)

the new pump will flow more fuel too the fuel rail period. 255lph to 190lph in the stocker i believe. so if u are running the same pulsewidth with higher flowing pump would it not run rich. that is why it needs retuned. the pump runs constant rate not variable.

dxbevo9

iTrader: (6)

i was thinking the same thing as bigric...but what the hell..i will wait for the pump

thanks for the replies again!!

CO_VR4

iTrader: (83)

The fuel pressure regulator has a bypass/return. Extra fuel runs back to the tank through the return line. The only time this does not happen is if the pump you use as a replacement overpowers the stock fuel pressure regulator.

FastAzzEvo

iTrader: (11)

the pump swap should be able to be done without a retune. The factory fpr will keep the pressure to the rail the same.

However to get the benefit of the new pump a retune would be required

DynoFlash

iTrader: (91)

pump is somthing you should always do with the cams

Danny23

iTrader: (7)

Thats why!