N2O Tech Discussion for the use of Nitrous Oxide

What pressure to set fpss at??

Thread Tools
 
Search this Thread
 
Old Jun 7, 2003 | 06:21 PM
  #1  
snksknr94's Avatar
Thread Starter
Registered User
 
Joined: May 2000
Posts: 424
From: Scottsdale, AZ
Question What pressure to set fpss at??

Just curious what pressure I should set the switch to? It comes set at 35psi, should I leave it or up it a bit. This is for a TNT wetkit, either 75 or 100 shot, I haven't decided .

Thanks!
Old Jun 8, 2003 | 03:52 PM
  #2  
snksknr94's Avatar
Thread Starter
Registered User
 
Joined: May 2000
Posts: 424
From: Scottsdale, AZ
I know most of you guys are running fpss so what do you have them set at?
Old Jun 8, 2003 | 05:28 PM
  #3  
Grover's Avatar
Registered User
 
Joined: May 1999
Posts: 1,173
From: Portage, MI USA
Since my fuel pressure is set at 60psi I am going to set the FPSS to 50psi.
Old Jun 8, 2003 | 07:20 PM
  #4  
My84Z's Avatar
Registered User
 
Joined: Aug 2000
Posts: 1,507
From: dartmouth mass
How do you adjust yours? i got a used one and not sure where it is set at right now. thanx John
Old Jun 8, 2003 | 08:04 PM
  #5  
Hawk's Avatar
Registered User
 
Joined: Mar 2000
Posts: 1,319
From: Jackson, NJ, USA
there is a screw. The best way i found to set it is with a meter and a air compressor. I HAD one on mine and have since discarded it and run no FPSS< it was giving me surging problems and i was not lean at all....................
Old Jun 8, 2003 | 10:30 PM
  #6  
snksknr94's Avatar
Thread Starter
Registered User
 
Joined: May 2000
Posts: 424
From: Scottsdale, AZ
My fuel pressure is basically what it would be stock. 40-41 psi WOT and 38-39 at idle. So should I just leave it set at 35 psi?

Last edited by snksknr94; Jun 9, 2003 at 01:18 AM.
Old Jun 9, 2003 | 12:02 AM
  #7  
fast_TA_95's Avatar
Registered User
 
Joined: Jun 2003
Posts: 38
Lightbulb holley

i have a 125 shot on my 95 TA i have many bolt ons, but i have a MSD timing control module and i retard the timing 5 degrees i also have a holley adjustible fuel pressure regulator i have my PSI at 51 pds, also i have a autometer air fuel gauge and when i engage the nitrous i dont drop into lean at all i beleive my settings are pretty good but anyone with a 125 shot has settings that are different tell me becsause i love my LT1 and dont want to blow her!!
Old Jun 9, 2003 | 12:23 PM
  #8  
Hawk's Avatar
Registered User
 
Joined: Mar 2000
Posts: 1,319
From: Jackson, NJ, USA
haha, i figure if my lt1 blows up on a 100 shot it deserved to die for being weak
Old Jun 11, 2003 | 01:21 PM
  #9  
snksknr94's Avatar
Thread Starter
Registered User
 
Joined: May 2000
Posts: 424
From: Scottsdale, AZ
I know somebody is running a NX fpss with a wetkit 75-100 shot. What do you have the fpss set too??
Old Jun 13, 2003 | 09:06 AM
  #10  
OffspringZ28's Avatar
Registered User
 
Joined: Oct 2001
Posts: 525
From: Pembroke Pines FL USA
i left mine at 35
Old Jun 14, 2003 | 07:29 PM
  #11  
Sunsceamer's Avatar
Registered User
 
Joined: May 2003
Posts: 245
mine gave me a surge when the kit came on for the first second. I confirmed by bypassing the switch.
Old Jun 15, 2003 | 02:41 PM
  #12  
snksknr94's Avatar
Thread Starter
Registered User
 
Joined: May 2000
Posts: 424
From: Scottsdale, AZ
Originally posted by OffspringZ28
i left mine at 35
Cool thanks for the reply!
Old Jun 16, 2003 | 07:37 PM
  #13  
MARSTAUT's Avatar
Registered User
 
Joined: Sep 2002
Posts: 186
From: Corpus Christ, TX
for everyone thats getting a surge have you tried setting it lower like 25 or 30 to stop the surge? I'm asking because I just ordered one today and I'm not happy about this surging stuff I've been hearing, guess I should have done some research before I ordered it
Old Jun 29, 2003 | 10:10 AM
  #14  
chevyguy3's Avatar
Registered User
 
Joined: Feb 2000
Posts: 756
From: Indiana
on the several cars i have done i have never had any surging problems with the switch. i usually set the swtich to 10psi below what the 0-vacuum fuel pressure is at
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
HectorM52
Parts For Sale
26
Jul 30, 2017 11:46 AM
DirtyDaveW
Forced Induction
13
Dec 1, 2016 05:37 PM
DirtyDaveW
Parts For Sale
1
Mar 15, 2015 07:01 PM
Roadie
Parts For Sale
7
Feb 16, 2015 10:34 AM
F(ast)-body
LT1 Based Engine Tech
8
Feb 26, 2003 09:05 AM




All times are GMT -5. The time now is 03:33 PM.