Fuel pump upgrade...

[Neinris]

Originally Posted by 06YarisRS

Did you see this thread? Kou looks like he just strapped a Walbro (EDIT: an AEM pump) into the lower assembly.

https://www.yarisworld.com/forums/sh...rket+fuel+pump

I do wonder if just strapping on a fuel pump that's more powerful has other implications. It's a longshot, but I think I'll try messaging Kou.

OH WOW! What the heck is that a grenade? I definitely blows my thread away!

I like it, it gives everyone a really broad option.
I was just looking for a "drop in" replacement, but damn this took it overboard of what I was thinking. I guess I forgot to think outside the box. My cousin has a 255LPH pump laying around that he's not using. I didn't think about just strapping it with zip ties in the basket. I guess the thing that I was worried about was service support? Like if you have to replace the filter or something, could you go to the local auto part store if you need it right away? That might be trivial though.

On another note, I've done a visual comparison of the two RAV4 fuel pumps, FWD vs AWD. they appear to be identical, just one delivers more than the other, hence why it cost more.

Here's are the pictures courtesy of RockAuto FWD and AWD respectively:

[06YarisRS]

Originally Posted by Neinris

OH WOW! What the heck is that a grenade? I definitely blows my thread away!

I like it, it gives everyone a really broad option.
I was just looking for a "drop in" replacement, but damn this took it overboard of what I was thinking. I guess I forgot to think outside the box. My cousin has a 255LPH pump laying around that he's not using. I didn't think about just strapping it with zip ties in the basket. I guess the thing that I was worried about was service support? Like if you have to replace the filter or something, could you go to the local auto part store if you need it right away? That might be trivial though.

On another note, I've done a visual comparison of the two RAV4 fuel pumps, FWD vs AWD. they appear to be identical, just one delivers more than the other, hence why it cost more.

Here's are the pictures courtesy of RockAuto FWD and AWD respectively:

Haha, a "grenade" as it might blow up?

I guess I didn't read his post thoroughly enough. It is a return style system. So, I think that would need a separate fuel pressure regulator, would it not? I know nothing about return vs returnless systems but will do some reading.

The above said, I like your ideas of installing a more serviceable setup.

Do you think you're going to try your cousins Walbro 255 in your car? I wonder if it could be used with the stock system - aka, returnless, or if, for that pump, you'd need a return style system.

EDIT: Check this out. It speaks of how the pump can overpower the stock FPR (on a Miata), causing the car to run rich. That wouldn't necessarily be a problem for me as I could pull fuel in the adversely affected portions of my map.

https://fab9tuning.com/walbro-255lph-fuel-pump/

And, some Walbro specs:

http://autoperformanceengineering.com/html/fpspecs.html

I wonder if the Walbro 155 would be sufficient. I expect it would:

https://lmr.com/item/LRS-9350A/1986-...lbro-Fuel-Pump