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5th injector

Old 12-11-2003, 01:51 PM
  #1  
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Default 5th injector

i am hooking up a 5th injector in my car to a psi switch, i dont have any idea on what to get the 5th injector out of but i know i want it to be a cold start injector because they have 100% duty sicals. any ideas?
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Old 12-12-2003, 04:10 AM
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Default Re:5th injector

any injectors will make it.
it isnt a bad idea but its like the one nozzle nitrous.
you never know if the gas or fule is equally injected in each cylinder. and you dont want to get lean at any stage.
soo better go for a injector upgrade..
if you got a honda go for the 450cc dsm
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Old 12-12-2003, 05:33 AM
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Default Re:5th injector

for low boost you can just put any injector on a 12 volt switch and let it inject in the intake charge pipes for right before the thorttle body for better automization.
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Old 12-17-2003, 08:28 PM
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Default Re:5th injector

ya i was only going to run 4 or 5 psi
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Old 12-18-2003, 04:58 AM
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Default Re:5th injector

do it
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Old 12-21-2003, 06:34 AM
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Default Re:5th injector

that's too much work for 4-5 psi, buy a FMU or something. I've seen 4 psi run on no fuel management at all.

:edit: but in no way do I support doing such a thing, if you're going to boost your car, why do it half assed I figure? and if you're gonna do it half assed, why work hard doing it?
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Old 12-23-2003, 01:10 PM
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Default Re:5th injector

i ran a turbo in my car for 1 week this summer on no fuel mods and it leaned out at 1psi. my fuel injectors are 200cc, now i added 300 cc injectors and i am still going to do the 5th injector because i have access to a welder and a pipe bender and all the good stuff
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Old 12-24-2003, 01:08 PM
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Default Re:5th injector

adding a 5th injectors isn't much work...if you want it to spray all day long just give it 12 volts voila...a injectors module ...that's another story, but extra injector works well though
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Old 12-24-2003, 04:15 PM
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Default Re:5th injector

i got this switch from a comp. called boostsienses or somthing. it works when it sees .5 psi. i am going to uses that to turn on the 5th injector
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Old 12-24-2003, 08:25 PM
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Default Re:5th injector

5 psi is too late IMO try getting a swithc to turn it on at like 1-2 psi
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