vortech supercharged vq powered s14 making 0 psi HELP!!!

Discuss topics related to the VQ series engine.
SHIFT_LOVE
Posts: 15
Joined: Thu Jun 19, 2008 9:21 am
Car: 1995 s14 VQ35DE'R' -supercharged
1992 rhd s13 coupe sr20det
2004 350z dd
2001 PATHFINDER 4X4

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:cry:
so yes...i know this is my first post on this forum in a while but im more of a lurker...kinda wondering if there is anyone out there that has had this problem...i have a 2006 rev up vq in my s14 with a v3 vortech supercharger system on it, im running the stock 3.12 pulley, stock maxflow blow off valve, slightly modified stock ic piping, bosch 550cc injectors, x02 3 inch catback exhaust, custom y pipe with one magnaflow high flow cat...ive pressure tested the charge pipe system and have found two leaks, one at the maf, and one at the maxflow blow off valve, ive fixed my maf leak with a new oring and have put a block off plate on the bov flange for now, pressure tested the system with compressed air and had 0 leak at about 15-20 psi, the system held all the air for about 5 minutes before i let it all out of the valve stem i was using...now that thats all out of the way, is there anything yall could possibly think of that would be letting the system not create positive manifold pressure or not make boost completely? ive also replaced the gatorback belt with a gates belt and have tightened the living hell out of it (no slip there)...sooo please if you have suggestions, expierience, advice, anything please help me it would make me so happy lol


SHIFT_LOVE
Posts: 15
Joined: Thu Jun 19, 2008 9:21 am
Car: 1995 s14 VQ35DE'R' -supercharged
1992 rhd s13 coupe sr20det
2004 350z dd
2001 PATHFINDER 4X4

Post

Update: confirmed blower serial number, pulley sizes and torque specs with vortech today. Everything checks out so the hunt continues. If anyone has any suggestions I will gladly entertain them. s*** I'd even donate $10 via paypal for the winning idea that helped solve this problem. And just as a reiteration the car is making 0psi when vortech assures me it should be making 9-10psi based on all of my pulley sizes.

SHIFT_LOVE
Posts: 15
Joined: Thu Jun 19, 2008 9:21 am
Car: 1995 s14 VQ35DE'R' -supercharged
1992 rhd s13 coupe sr20det
2004 350z dd
2001 PATHFINDER 4X4

Post

BUMP FOR HELPIN A BROTHER OUT CMON DUDEZZZZ

libtech240sx
Posts: 30
Joined: Sun Sep 06, 2009 5:48 am
Car: black 95 Nissan 240sx SE-project
white 95 Nissan 240sx SE-parts

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did you solve the problem? If not did you buy the charger used or new? maybe there is a internal problem with the charger that you cannot visibly see. Maybe take the icp off of the outlet of the charger and see if there is any air even coming from the charger at all. Im not really familiar with superchargers but im looking to put a vq35hr in my s14 and i saw this thread so i figured it was worth a shot to see if i could help. If you have any helpful tips for the install pm me or something. Good luck hope you got or get everything figured out.

User avatar
spank044
Posts: 518
Joined: Sat Apr 29, 2006 3:56 am
Car: 1992 240sx with a Supercharged 350Z VQ for a HEART!

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Was it the VQ vortec kit or did you piece it together? Possible wrong rotation on pulley. I saw a 302 mustang with a custom setup not making boost and they have a reverse gear blower so it never made boost.


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