I know some of you have upgraded the fuel pump with the Walbro unit. Do you guys know the part number for that pump?

 

SimplyScion (Vito) would proably be the best one to talk to Rollhard. He was one of the pioneers when it came to boosting our engines and I beleive he changed out his fuel pump, but I will search and see if I can help find it for you.

 

Vito did run the Walbro 255 fp, so he should hopefully rember the model#.

 

I think its a GS341 or GS344...I forget

 

haha, thanks for all your replies! Atleast now it narrows it down to two part numbers. Let me know if you remember, Ill order it then.

 

Its definitely the GS341...universal import 255lph fp.

 

Vito as always you come thru, you da man.

 

I still lurk around the xB forums to see whats been going on these days
If anyone needs any help feel free to send me a pm

 

Haha, yes you da man. Thanks man!

 

wouldnt go as far as to say Im da man lol...but I have been down this road before with the 1nz so I try to help as much as I can...but definitely appreciate the support guys

 

you da man if you answer my questions!

Well, since you have done all this before. There is a site that sells new injectors for the 2003 Celica GTS. I was wondering if these were a direct bolt on?

 

Direct drop in to the Perrin rail

 

Thanks for the info, Vito... From my understanding our engines are returnless. What is the best method to convert it into a return-style system and put an FPR on it?

 

The Perrin fuel rail converts it to a return style fuel system.

 

I had never heard that or read that about the Perrin rail before. Can you please shed some light on how it does?

 

http://www.perrinperformance.com/pro.../fuel_rail.htm

See how its plugged up at the other end? Looks just like a cap/screw. You can run a return line from there.

 

Ohhh.. I see what you are talking about, I thought i read that it was for somthing else, but I cant remeber what thou. Thankyou sir for the enlightenment.

 

Haha, no problem buddy. What you would have to do is line coming in, then fuel rail, then you will add a line coming out of the fuel rail to the FPR, then from FPR to back to the fuel tank. There is also a vac line from the fpr to the boost/vac pressure. I know it sounds kinda confusing. The FPR always goes on the return side of the fuel rail because it regulates how much fuel it will allow to "return" to the fuel tank. Of course, you can only have as much pressure as your fuel pump can dish out.

 

for those that are n/a you can use the rail as well and use that other port to spray some juice into the rail. As far as raising fuel pressure...the in tank regulator will only let you hit about 55 psi without modding it. Without that regulator in place, the fuel pump will not turn on and you will get no fuel. If you can make something to fit in the spot of the regulator with a larger diameter hole than the stock fpr then you can just use the adjustable one to max out your fuel pressure. Also just to give you the heads up, you will hafta modify your sending unit to fit the 255 lph pump in. If you have a dremel you will see where you hafta cut on the bottom. Dont worry about the fuel pump falling out of its spot either because when you put the sending unit back in the bottom of the pump comes close enough to the tank bottom to help hold it in place

 

It was the juice that I had read went there before, thanks for jogging my memeory.

Rollhard I beleive I rember people having problems with starting(not enough fuel), when they used a return line(not sure if Vito did). Have you read that before and are you concerened about that possibly being an issue?