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aftermarket fuel pump

Started by cam86s12 · Dec 31, 2012 · 19postsSMF 2010–26

cam86s12Dec 31, 2012, 9:38 am · #1

just wondering about inline fuel pumps. my pump keeps dying and i want to put in a inline pump and was wondering if i need to get a pump with a specific flow or just install a aftermarket fpr with it.
also wondering which would be a good pump i was looking at some walbro pumps and they look decent ( bosch has been giving me issues )

sideways_s12Dec 31, 2012, 9:01 pm · #2

you can get a walbro pretty cheap if you get the 195lph you won't need a adj fuel pressure regulator...

turbo-s12Dec 31, 2012, 10:43 pm · #3

ive heard alot of bad things about walbros but ive never personally used one

sideways_s12Jan 1, 2013, 6:31 am · #4

I ran a 255 in mine with no issue....

ProlowtoneJan 1, 2013, 6:53 am · #5

I just got a 195lph intank pump from Mopac for a 5 liter mustang. To put an after market FPR on you need to cut the original one off the fuel rial, No way around it. Is there any reason why you want to go  with an inline instead of intank pump?

cam86s12Jan 2, 2013, 9:26 am · #6

mostly because i have pulled that fucker too many times and just want universal and something easy to get at

ArroJan 2, 2013, 4:21 pm · #7

If you put in a Walbro in-tank pump you will probably never have to change it ever again. They're super-solid. It's actually the 190 liter-per-hour version you want if you want to keep your fuel pressure normal. But that 190 model will provide you lots if you should swap in a turbo engine at some point. Don't bother with an in-line. Geez, it's not like our pumps are hard to access. I have other cars where you have to DROP THE TANK, so lift up your back carpet and stop whining ;)

Seriously tho, the Walbro 190 is the way to go. Some zipties and that thing will work fine on the stock bracket.

cam86s12Jan 2, 2013, 8:03 pm · #8

yea i know what you mean with dropping the tank done it pleanty of times at work lol.
do you guys know what psi the pump should put out cause i cant get a walbro unless i get one off the internet and i cant wait that long so i was thinking of getting a holly but they are measured in psi so im not sure which one to get.
( and arro i have ca18et so the motor is allready turbo'd )

ArroJan 2, 2013, 8:27 pm · #9

That's weird how Holley measures them in PSI, because that's the job of the fuel pressure regulator. I can tell you this, if it's higher than the stock fuel pressure then it's too powerful. Make sense?

Not a fan of Holley honestly. Used to be a good company, now only useful if you're buying bolt-on carburetors for V8 cars.

cam86s12Jan 2, 2013, 10:48 pm · #10

do you know the stock psi off the top of your head

rednucleusJan 2, 2013, 10:54 pm · #11

So what's wrong with our stock pumps?  Mine is original; are they prone to failure? (Will probably crap out next week now that I asked)

cam86s12Jan 2, 2013, 11:26 pm · #12

mine just died and the replacement one i got must have been faulty cause it only lasted for acouple months but other than that im not aware of any problems but they are a wearing item so they will die eventually

ArroJan 2, 2013, 11:27 pm · #13

The stock pump is *barely* sufficient for the CA18ET. This is one of those discussions where I begin to feel "do it right or don't do it at all". I stand by my original recommendation. Shipping from the right choice of vendor will have it to you in a day or two. If you had ordered it today from a vendor in or near BC you'd prolly have it by tomorrow or the next day.

Walbro isn't some junk pump. It's quality stuff.

cam86s12Jan 3, 2013, 12:07 am · #14

so i take it you dont know the stock pressure then

ArroJan 3, 2013, 12:11 am · #15

Off the top of my head, no; there are FSM's linked from this forum if you search, as well as the fuel pressure info. To me the information is useless because of my "always replace stock with a bit better" rule. Maybe someone else on here knows.

Cajun1guyJan 3, 2013, 6:17 am · #16

As I recall, stock is around 30-35 psi at most. I installed the Walbro 195 and it works great, just get some good ty-raps as Arro said, it is smaller than the original. Easy as pie to replace as he also said. Paid about $90 for the pump-I replaced during my rebuild as my car is a daily driver and I have had two other OEM pumps eventually give out on my other vehicles. BTW, the ECU controls the speed of the pump, and is the weak point of the ECU itself. That circuit gives out leaving you stranded, but the pump can be wired separately to operate without the ECU. Search for that option, lots of good writeups on it in this forum.

ArroJan 3, 2013, 3:55 pm · #17

Yeah most people do the "S13 fuel pump rewire" which works the same for an S12, and you can find it on Google pretty easy. The better write-ups have step by step and pictures.

Jakel57Jan 20, 2013, 1:42 pm · #18

This intrigues me because when I put on my t25 I'm going to get a bigger pump, but idk what to get to be honest, I havent taken mine apart yet but my real question is is there an in line pump and in tank our just in tank? Will I need a new sendig unit?i was told get a walbro 255 but then id need an adjustable fpr correct? Kinda thread jacked..my apologies.

sideways_s12Jan 20, 2013, 3:21 pm · #19

If your not going all out get the 190lph walbro and you'll be fine and no our pumps are intank with the 190 you wont need a fpr with the 255 you will....Hope that clears it up for you...