Running a fpss after the fuel noid
Thread Starter
Member
Joined: Jan 2001
Posts: 127
Likes: 0
From: tabernacle, NJ USA
Running a fpss after the fuel noid
I would like to do this but the manifold is too big to attach onto the end of the NX fuel noid. What fitting do i need to make this work? Thanks Derrick
also how do i set the adj. fpss? I'd like to set it at about 35psi, does this sound right? Thanks again
also how do i set the adj. fpss? I'd like to set it at about 35psi, does this sound right? Thanks again
Senior Member
Joined: Nov 2000
Posts: 727
Likes: 1
From: Charleston, WV, USA
Car: '86 IROC-Z + Misc. project cars.
Engine: Supercharged + Nitrous TPI 355 CID
Transmission: Art Carr built Th700r4
You can NOT mount the fuel pressure safety switch downstream of the fuel solenoid.
There will be no fuel pressure there when the solenoid is not activated and the solenoid will not be activated without pressure at the switch.
If you have the NX safety switch it is factory preset at 30 PSI. That should be fine if the adjusting screw hasn't been messed with.
If you want check it or set it to a different level you can use an air compressor with a variable regulator. Unscrew the switch and hook it up to the air hose. I use quick couplers on my air equipment and just screw my swtch into a 1/4" to 1/8" pipe reducer and then screw that into a 1/4" quick coupler.
Use a test light, continuity meter or Ohm meter or any other means you prefer to verify the contacts in the switch are making and breaking.
Slowly adjust the pressure on the regulator up and down while noting the pressure guage reading when the switch trips.
------------------
Tracy /AKA IROCKZ4me
'86 IROC-Z Camaro
"Cogito ergo zoom"
There will be no fuel pressure there when the solenoid is not activated and the solenoid will not be activated without pressure at the switch.
If you have the NX safety switch it is factory preset at 30 PSI. That should be fine if the adjusting screw hasn't been messed with.
If you want check it or set it to a different level you can use an air compressor with a variable regulator. Unscrew the switch and hook it up to the air hose. I use quick couplers on my air equipment and just screw my swtch into a 1/4" to 1/8" pipe reducer and then screw that into a 1/4" quick coupler.
Use a test light, continuity meter or Ohm meter or any other means you prefer to verify the contacts in the switch are making and breaking.
Slowly adjust the pressure on the regulator up and down while noting the pressure guage reading when the switch trips.
------------------
Tracy /AKA IROCKZ4me
'86 IROC-Z Camaro
"Cogito ergo zoom"
- 355 cid
- AFR heads
- Arizona Speed & Marine hydraulic roller cam w/ AFR hydra-rev kit
- modified SLP runners
- TRW forged pistons/ceramic coated
- fully balanced
- Edelbrock headers/ceramic coated
- SLP cat-back
- Paxton supercharger
- Nitrous Express nitrous oxide
Thread Starter
Member
Joined: Jan 2001
Posts: 127
Likes: 0
From: tabernacle, NJ USA
[QUOTE]Originally posted by IROCKZ4me:
[B]You can NOT mount the fuel pressure safety switch downstream of the fuel solenoid.
There will be no fuel pressure there when the solenoid is not activated and the solenoid will not be activated without pressure at the switch.
Yeah but I thought if i hooked wired it to the NOS noid but mechanically hooked it up to the fuel noid, then it would only turn the NOS noids on if it sensed fuel pressure after the fuel noid opened. Am I wrong? Thanks Derrick
[B]You can NOT mount the fuel pressure safety switch downstream of the fuel solenoid.
There will be no fuel pressure there when the solenoid is not activated and the solenoid will not be activated without pressure at the switch.
Yeah but I thought if i hooked wired it to the NOS noid but mechanically hooked it up to the fuel noid, then it would only turn the NOS noids on if it sensed fuel pressure after the fuel noid opened. Am I wrong? Thanks Derrick
Thread
Thread Starter
Forum
Replies
Last Post
Fast355
DFI and ECM
14
Dec 2, 2016 06:33 PM
92camaroJoe
Tech / General Engine
6
Aug 13, 2015 06:07 AM
