30th t/a

iTrader: (51)

Single 450 running E85 with 80lb injectors. Think it be okay for 630-650rwhp through a 6 speed?

Kfxguy

iTrader: (1)

450 What?

30th t/a

iTrader: (51)

Walbro

Kfxguy

iTrader: (1)

Lol. I’m an idiot.

panda240ss

in my opinion i always get a bit bigger system in case i wanna go bigger power down the road.

for example. im doing 142lbs injectors with dual 450s thru a th350 just to make sure i dont run out of pump or injectors and i just want 700 750

AUS Injection

Message sent

KimmoT

I was getting 620hp single Walbro 450 with BAP and e85. I have to lower base fuel pressure 4->3 bar to get more flow to pump. Then FIC 1000cc injectors almost 100% IDC

30th t/a

iTrader: (51)

What transmission were you running when you made 620rwhp?

KimmoT

Stock Corvette C5 T56 with spec clutch.

30th t/a

iTrader: (51)

Anyone have experience with the Walbro 525? I searched on this site but theres very little info on it.
Is it a drop in replacement like the 450?

30th t/a

iTrader: (51)

Walbro 525??...Anyone with experience with this pump?

JoeNova

The 525 is a stock Hellcat fuel pump. There shouldn't be any concerns with an OEM pump.

30th t/a

iTrader: (51)

Do you know if I can run this Walbro 525 in my 02 WS6? Is it a drop in (like the walbro 450)?
Im hoping this will fit in the bucket and I can hook up a hot wire kit and be done and be good for 630-650 on e85.
They say the pump supports 700+ on e85.

fif_gen_powa

It's same size and direct swap for a walbro 450. Make sure you have 10ga wires and proper size fuse

dumetre

Was that with stock lines?

KimmoT

Yes i had stock lines from tank to engine bay. When add adjustable fuel pressure regulator, then only change fuel rails and those short fuel lines.

imma_stocker

iTrader: (19)

Maybe these will help.

Walbro 450lph pump flow chart


and the Hellcat pump

joyridin'

iTrader: (1)

The outlet line on a 525 is larger than a 450. I was going to go with one, but most of the modular fuel pump assemblies do not have a large enough line. They went from a 10mm to an 11 mm outlet. Doesn't seem like much until you try cramming that rubber fuel line over the outlet and realize it isn't going to fit.