back fire after 37lb ractronics

Reply Subscribe

Thread Tools

Search this Thread

01-17-2008, 04:29 PM

slow98Z

Launching!

Thread Starter

iTrader: (27)

Join Date: Aug 2004

Posts: 245

Likes: 0

Received 0 Likes on 0 Posts

back fire after 37lb ractronics

We installed 37lb racetronics injectors and adjusted the flow rate and and the minimum pulse width but the car back fires between shifts and idles rough any ideas?

Reply Like

01-18-2008, 01:27 PM

donalr76

On The Tree

Join Date: Apr 2006

Location: Texarkana, TX

Posts: 148

Likes: 0

Received 0 Likes on 0 Posts

any one!!!

Reply Like

01-18-2008, 03:56 PM

pdsq98gt

TECH Regular

Join Date: Sep 2007

Location: Kansas City, MO

Posts: 435

Likes: 0

Received 2 Likes on 2 Posts

Hook up a wideband and see what your afr is. I bet you're running really rich.

Reply Like

01-18-2008, 04:57 PM

ringram

TECH Fanatic

Join Date: Aug 2005

Location: Sunny London, UK

Posts: 1,691

Likes: 3

Received 1 Like on 1 Post

Dont forget GM fuel pressure is 4bar, were injectors rated at 3bar?

Reply Like

01-18-2008, 10:24 PM

slow98Z

Launching!

Thread Starter

iTrader: (27)

Join Date: Aug 2004

Posts: 245

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by ringram

Dont forget GM fuel pressure is 4bar, were injectors rated at 3bar?

yes we did the correction

Reply Like

Reply Subscribe