Forced Induction Custom FI Setup Questions

pressure activated switch for nos and boost???

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Old Sep 19, 2004 | 02:35 PM
  #1  
soon2boost's Avatar
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Default pressure activated switch for nos and boost???

my friend has a b17 92 gsr and he just bought a turbo kit but it takes FOREVER to spool he just so happens to have the zex dry nitrous kit laying around so i told him that he should use it to spool that monster snail but i was wondering if there is a cheep way to make the zex stop after a certain psi like a pressure activated switch or somthing
Old Sep 19, 2004 | 03:04 PM
  #2  
turboDA6's Avatar
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Default Re:pressure activated switch for nos and boost???

doesn't zex have that brain that turns it on at a certain rpm then turn off at a certain rpm... why dont u do the math... find out when ur ---- starts spooling then squeeze on it til then... set it to come on at like 1k rpm then turn off at like 2400 then all boost after that... or u can jus drop the shot of nitrous and use the nitrous all day with the boost.... mad hp jdm yO!
Old Sep 19, 2004 | 03:06 PM
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Ckjeepin's Avatar
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Default Re:pressure activated switch for nos and boost???

they do have rpm windows...
Set the rpms where ya want... Like he said.. But dont spray at 1k rpms lol..
Old Sep 19, 2004 | 03:09 PM
  #4  
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Default Re:pressure activated switch for nos and boost???

it'd be fun lol... u kno what i mean tho... sprey low to get the beyatch spinning then turn it off when boost kicks in. do ur homework mr... u shoulda thought of that b4 u posted
Old Sep 19, 2004 | 03:11 PM
  #5  
87na_rx7's Avatar
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Default Re:pressure activated switch for nos and boost???

dry system on a fi set up is not a very good idea
Old Sep 20, 2004 | 10:38 PM
  #6  
soon2boost's Avatar
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Default Re:pressure activated switch for nos and boost???

i know to turn it off when its spooled but his kit is activated by WOT im not sure if he has the option to have it deactivate at a certain rpm does the zex kit come with that option?

Old Sep 21, 2004 | 04:26 PM
  #7  
wanaracedave's Avatar
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Default Re:pressure activated switch for nos and boost???

NOS has a switch that works in vacuum then shuts off with boost
Old Sep 21, 2004 | 09:29 PM
  #8  
Paperchase013's Avatar
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Default Re:pressure activated switch for nos and boost???

buy a boost sensitive switch and a relay. that simple.


if you dont undestand how relays work, visitwww.the12volt.com


just wireup, the switch and relay, and then set to the preferred psi and your good to go
Old Sep 28, 2004 | 01:38 AM
  #9  
soon2boost's Avatar
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Default Re:pressure activated switch for nos and boost???

i couldnt find the presure activated switch in the 12 volt .com could you put a direct link to that item
Old Sep 28, 2004 | 01:59 AM
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B16Drag's Avatar
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Default Re:pressure activated switch for nos and boost???

I hope you're engine is built otherwise you might want to expect aluminum parts flying the instant you go WOT..
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