NNBS (non flex)Walbro install ???

Reply Subscribe

Thread Tools

Search this Thread

Apr 20, 2016 | 01:08 PM

#11

lxcoupe

TECH Fanatic

iTrader: (9)

Joined: Nov 2004

Posts: 1,127

Likes: 22

From: California

Quote:

Originally Posted by JASON 77

The 450 overpowers the factory intank regulator on a non return setup.

I ran a Walbro 450 in my stock 05 bucket for a year without issues, lots of guys on here have. The correct way to do it is to eliminate the bucket regulator and use an afpr. Even better to convert to return style.

Apr 24, 2016 | 08:39 PM

#12

JASON 77

Launching!

iTrader: (22)

Joined: Aug 2006

Posts: 234

Likes: 1

From: southern il

Quote:

Originally Posted by lxcoupe

Yes but cant find a bolt on fuel rail for nnbs

Apr 26, 2016 | 08:02 AM

#13

gearheaddrew

Teching In

Joined: Mar 2016

Posts: 41

Likes: 0

There is the Holley Drop in replacement...

https://www.performancetrucks.net/fo...l-pump-543313/

Apr 26, 2016 | 05:11 PM

#14

JASON 77

Launching!

iTrader: (22)

Joined: Aug 2006

Posts: 234

Likes: 1

From: southern il

Quote:

Originally Posted by gearheaddrew

There is the Holley Drop in replacement...

https://www.performancetrucks.net/fo...l-pump-543313/

Read there and looked, those pumps are for nbs. I have a nnbs. From what i read they are different setups

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Shifting issues after high stall converter install

LCHEE

GM Drivetrain & Suspension

Oct 24, 2020 04:10 PM

fuel pump or some other issue? new pump from airtex?

05GMC4.8

GMT 900 Trucks General Discussion

Aug 7, 2015 09:55 PM

450lph in non flex fuel bucket

RS/SS 4.8

FUEL SYSTEMS

Aug 2, 2015 11:03 PM

Returnless system, Walbro 450, ID1000, E85... anything wrong here?

lxcoupe

FORCED INDUCTION

Jul 21, 2015 02:12 AM

Nnbs intake help.

blackdc3

GM Engine & Exhaust Performance

Jul 7, 2015 07:52 PM