how much boost is safe

Reply Subscribe

Thread Tools

Search this Thread

Jun 12, 2009 | 04:07 AM

#11

stock48

9 Second Truck Club

iTrader: (16)

Joined: Sep 2006

Posts: 3,655

Likes: 5

From: Colorado Springs, Co/ Central, Ca

Quote:

Originally Posted by avalanchett

thanks guys i am running 9 psi making 450 to wheels with 14 timing.. so this is saffe?

Safer than 14 psi @22*

Whats your AFR at WOT?

Jun 12, 2009 | 01:50 PM

#12

NemeSS

TECH Senior Member

iTrader: (123)

Joined: Sep 2005

Posts: 6,630

Likes: 0

From: Houston,TX

im thinking about running about up to 15psi thru my 5.3 project

Jun 12, 2009 | 02:19 PM

#13

nonnieselman

TECH Senior Member

iTrader: (10)

Joined: Oct 2004

Posts: 14,068

Likes: 2

From: Crystal Springs, MS

Im goin to run as much as a 60mm will on a 4.8

and then spray it with a "small" shot...

Jun 12, 2009 | 02:33 PM

#14

ducky

TECH Enthusiast

iTrader: (11)

Joined: Sep 2006

Posts: 539

Likes: 1

From: Austin, TX

Im running 12 on my stockish block. Its all in the tune like these guys above said

Jun 12, 2009 | 03:02 PM

#15

nonnieselman

TECH Senior Member

iTrader: (10)

Joined: Oct 2004

Posts: 14,068

Likes: 2

From: Crystal Springs, MS

Ducky, do you know about what timing you are seeing on 12#? and im guessing 93 octane?

Jun 12, 2009 | 03:09 PM

#16

Compressor Surge

TECH Apprentice

iTrader: (20)

Joined: Dec 2005

Posts: 322

Likes: 0

From: Mackinaw, IL

I'm at 7-8 psi at 18* timing on 93 octane.
11.5 AFR at WOT
No knock.

Gonna bump up the boost to 10-12 this weekend.

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Help me decide new head/milling combo for my lm7!

zblee

GM Engine & Exhaust Performance

Nov 11, 2015 12:41 AM

4l80e Tuning

MikeD.

Tuning, Diagnostics, Electronics, and Wiring

Oct 13, 2015 08:08 AM

Need some tuning help bad!!!

chopperloco

FORCED INDUCTION

Sep 28, 2015 08:40 AM

No boost at part throttle

2500ZL1

FORCED INDUCTION

Sep 12, 2015 03:50 PM

8.6 reared noise

600 horses

GM Drivetrain & Suspension

Sep 10, 2015 11:01 AM

Reply Share

First
Prev
2 / 2
Next
Last