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Discussion Starter · #1 ·
hey all. Mr. Billy M. has advised me to use the Walbro 255lhp on my 7mgte swap to my mk2, which i will most likely do. My signature tells my mods, which consists of stock 440s and AFM, stock turbo. I have a brand new mk3 fuel pump...which went with the motor in its original not my style mk3. Will this pump give me too much fuel? What's the prob with the mk3 pump? and will this Walbro give me more power by adding the fuel veloscity? obviously the walbro is better but how will it run?? opinions....advice...?
 

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I have one retrofitted inside my gas tank in my Trans Am. I believe they can support up to 600 hp. Malloy does not like them for some reason. The downside is that they can be on the noisy side - whirring noise (not a problem for my car since I can't hear it over the exhaust anyway).

I think you will be ok for your application but I'd google it and get some feedback on other car forums...it is a very common pump.
 

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Fairly cheap.. I have one in my '91 Celica because the pump died, I had it lying around, and I needed to use the car. It has been in there for like 6? months with no problems, and FWIW I can only barely hear it at idle. As long as it lasts, good value for money.
 

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Walbro 255s are great as long as you get a true walbro. So many places offer a knockoff, and the knockoffs have been known to shit out fast.

Worst of all, 99% of people wouldnt be able to look at a knock off and tell.

I spent a little extra on my fuel pump and got a pump I knew I would NEVER have to upgrade from.
http://www.maperformance.com/bosch-motorsports-044-universal-fuel-pump-0-580-254-044.html
its a bit more than the 255,
But it outflows it in every way...

Another recomendation I got when looking for fuel pumps is the 2jztt Aristo pump. Its a bit more cause you get it through toyota.
 

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almost all of the merkur guys that go with aftermarket fuel pumps use the walbro 255. they claim no problems with it. however, the big power cosworth guys use the bosch 044 pump. my saab mechanic buddy says that the walbros that replace teh pumps in the saabs don't last more than 100k miles.

i'd go with the bosch.
 

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do listen to paul12..he thinks a stock ford escort would beat my supra..show's how much he knows..(tease).

use caution on walbro's...even fakes have walbro stamped right on them. buy from a credible vendor and you should get a real one...fakes will leave you stranded...fact.


also...stock MK3 pump will work as long as its a real one and not a "style" one...but BillyM is right..go with the upgrade because its a matter of time before you upgrade othe stuff...u will, trust me..boost is like meth...one good hit and you want more.
 

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Discussion Starter · #9 ·
the thing ppl is that for a couple years I will remain stock...will I get too much fuel with these upgraded pumps? mainly will the stock mk3 one that I have new be ok? even if I do up the boost a little bit? I am going with a full 3 " exaust, does this play a role? thanks for input OH I almost forgot, I was going to buy mine from Raptor Racing, real ones?? anyone else bought one from Raptor?
 

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Id go Bosch 044 or Denso MK4 TT pump over a Walbro

But thats me

PS if you not gunna up the boost or get a bigger turbo the stock MK3 pump will be fine. Its when you upgrade the turbo and or up the boost that you need more fuel
This. Also, watch the Walbro fakes - they are plentiful!
 

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upgraded exhaust will add more power= ecu could pull more fuel. but you should be fine on a real stock MK3 pump. you start uping the boost ,time for a better pump. a real pump is like insurance..give you a piece of mind...but if youre trying to save $..keep the MK3 pump as long as it authentic and not a knock off/"style" pump...good luck.
 

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Discussion Starter · #12 ·
The pump costs $150 and I bought it from Autozone, put it in cranked the motor about 40 times and the removed the motor from the mk3. how many pounds of boost can the mk3 pump keep up with?
 

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do listen to paul12..he thinks a stock ford escort would beat my supra..show's how much he knows..(tease).

use caution on walbro's...even fakes have walbro stamped right on them. buy from a credible vendor and you should get a real one...fakes will leave you stranded...fact.


also...stock MK3 pump will work as long as its a real one and not a "style" one...but BillyM is right..go with the upgrade because its a matter of time before you upgrade othe stuff...u will, trust me..boost is like meth...one good hit and you want more.
Heh.. I was talking stock for stock.. :( Even so, I didn't realize yours was a 7MGTE. :sadbanana:

I haven't had any problems with my Walbro so far, but all this talk of them crapping out is kind of making me nervous..
 

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I thought the stock MK3 turbo pump is the same as the stock MK2 n/a pump? When I was comparing part numbers on Rock Auto, both an 89 turbo and 85 CelicaSupra listed the same fuel pump. Is that right? I was bummed when I read that, because I had gone through all the trouble to get the fuel pump out of an 89 turbo MK3 at the junkyard in case I ever wanted to go turbo...
 

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I've had good luck with the Walbros. I've sold 53 since April of 05, and have only had two reports of failures. 19 of those were external.
-Aaron
 

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I have been having horrible luck with the Walbro. I bought my Supra in Oct. 2007. The car seemed to be having intermittent fuel problems. It wasn't until Dec. 2007 I replaced the existing fuel pump that was in the car when I bought it with a brand new Walbro unit. The car seemed to be fine for the next year or so, but I recal once last spring the car would not start. It would try and turn over (sounded healthy) but just wouldnt start. I assumed it was problems with the fuel pump and let it be. A week later, for kicks I went back out and tried starting it again, this time it started with no problem. I was confused, but happy it started. Now, fast forwarding to last week and the car will not start again. Same deal, it wants to turn over, but just wont start. Once again, it sounds like the car is not getting fuel. I am frustrated as the Walbro pump that is in there is only two years old and probably has between 700-800 miles of use on it (the car barely gets driven). Maybe there is something else going on, but I keep going back to thinking it is an issue with the fuel pump. Looks like I am going to have to have the car towed to the dealer to get the pump replaced because this time I don't seem to be as lucky as last. I have gone out every day for the past four days and tried starting it with no luck.
I will be buying an OEM Toyota MK4 TT fuel pump this next time around.
 

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Have you even tested the fuel pump to see if it has failed?

I'm not saying that it isn't your fuel pump, but jumping on an anti-walbro bandwagon without even having tested it further than turning the key is not the way to do it.

--billyM
 
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