Fuel Injectors

Discuss topics related to the CA18DE and CA18DET series engines.
ca18detdrift
Posts: 137
Joined: Wed Jun 22, 2005 5:43 pm
Car: 89 240sx

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Took the car out for a test run and realized one of my injectors is dead, so im only running on 3 injectors. Also s15 turbo only boosts up to 5psi, would a bad injector cause this?

Does anyone have a spare stock 370cc injector around? I need one asap! Thanks guys..


beans33
Posts: 908
Joined: Mon Jan 10, 2005 5:51 pm
Car: 1993 ca18det 240sx

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hey my t28 from a s15 does that too. im not sure why.

ca18detdrift
Posts: 137
Joined: Wed Jun 22, 2005 5:43 pm
Car: 89 240sx

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Maybe someone here knows why an can solve both our problems.

WeldingHank
Posts: 559
Joined: Tue Jan 27, 2004 8:07 am
Car: 1989 240sx CA18DET

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thats probably what the wastegate pressure is set at. S15's had factory boost controllers.

ca18detdrift
Posts: 137
Joined: Wed Jun 22, 2005 5:43 pm
Car: 89 240sx

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Oh, i didnt know that! Thanks for the info! I guess my next thing to buy is boost controller lol.

nocwage
Posts: 280
Joined: Tue Aug 10, 2004 9:01 am

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ca18detdrift wrote:Took the car out for a test run and realized one of my injectors is dead, so im only running on 3 injectors. Also s15 turbo only boosts up to 5psi, would a bad injector cause this?

Does anyone have a spare stock 370cc injector around? I need one asap! Thanks guys..
PLEASE don't drive around with only 3 working injectors!!We don't want another detonated CA

boost_boy
Posts: 7051
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Car: B12 sentra w/built CA18DET, B12 sentra w/fully-built CA18DET, S13 coupe w/ CA18DET, S13 hatch w/CA18DET, 2002 maxima SE
Location: Miami, FL.
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ca18detdrift wrote:Took the car out for a test run and realized one of my injectors is dead, so im only running on 3 injectors. Also s15 turbo only boosts up to 5psi, would a bad injector cause this?

Does anyone have a spare stock 370cc injector around? I need one asap! Thanks guys..
You'll come out better just buying a set of four from someone. Whatever messed-up that one injector, has probably tainted the others as well.

Dee

RAM GARAGE
Posts: 4
Joined: Thu Sep 15, 2005 3:20 am

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sup tofo

ca18detdrift
Posts: 137
Joined: Wed Jun 22, 2005 5:43 pm
Car: 89 240sx

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haha whats up! Thanks alot with all your help with the swap! I love it! lol cant wait till the next drifting event to try it out!

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datsunboy
Posts: 518
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Car: Datsuns
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yeah I could only get 5psi from my GTiR T28 turbo too.....got a boost controller now and it runs 12-14psi happily

silvia_ca18det
Posts: 179
Joined: Fri Aug 12, 2005 6:32 am
Car: 350whp ca18det drift silvia

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ca18detdrift wrote:Oh, i didnt know that! Thanks for the info! I guess my next thing to buy is boost controller lol.
no boost controller needed......how are ur vacumes hooked up? whenever i redo all my vacums i tend to get around 9 psi out of any of my turbos....sr20 t25 s14 and s15

i run a straight line from the vaccum source thats on the end of the intake manifold....by where the brake booster vacume is hooked up!

ca18detdrift
Posts: 137
Joined: Wed Jun 22, 2005 5:43 pm
Car: 89 240sx

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Well my vacuum lines are all weird LOL i have like 5-6 T's on one of the lines haha. But it all works (thats what counts). Anyways a friend of mine had a boost controller sitting around and he just gave it to me, after installing it my s15 turbo boosts up 10-15 easily =)

Everything seems good, idles very good, doesnt over heat (yet lol), Boosts good, starts right up. Only thing is my throw out bearing is bad, need to wire my knock sensor, and my s15 turbo oil return line leaks oil (a small leak, drip's over night). (I'm using the stock ca turbo oil lines). Other than that, VPC is tuned and working great (thanks to ram garage)! and car isnt acting up, im a very happy ca18det owner right now ^_^

RAM GARAGE
Posts: 4
Joined: Thu Sep 15, 2005 3:20 am

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ca18detdrift wrote:Well my vacuum lines are all weird LOL i have like 5-6 T's on one of the lines haha. But it all works (thats what counts). Anyways a friend of mine had a boost controller sitting around and he just gave it to me, after installing it my s15 turbo boosts up 10-15 easily =)

Everything seems good, idles very good, doesnt over heat (yet lol), Boosts good, starts right up. Only thing is my throw out bearing is bad, need to wire my knock sensor, and my s15 turbo oil return line leaks oil (a small leak, drip's over night). (I'm using the stock ca turbo oil lines). Other than that, VPC is tuned and working great (thanks to ram garage)! and car isnt acting up, im a very happy ca18det owner right now ^_^
Thats good to hear man hee hee that motor brings back so many memories lol you just dont know lol

cant wait to build mine again !

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themadscientist
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3040 slotted to fit onto a T3 flange?

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float_6969
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TMS, I think you need to come in from out of left field man...

RAM GARAGE
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? whats TMS talking about ? lol

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themadscientist
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these aren't the droids you are looking for.

rexhunta
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themadscientist wrote:these aren't the droids you are looking for.
Man its 8.30 am,what have you been smoking/drinking?

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float_6969
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He's on Japan time, it's not 8.30am there. It's probabally 11pm... He's still smokin the reefer though...

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themadscientist
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I only smoke tires

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knightrider
Posts: 341
Joined: Wed Nov 27, 2002 4:32 pm
Car: black 90 240 coupe

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silvia_ca18det wrote: no boost controller needed......how are ur vacumes hooked up? whenever i redo all my vacums i tend to get around 9 psi out of any of my turbos....sr20 t25 s14 and s15

i run a straight line from the vaccum source thats on the end of the intake manifold....by where the brake booster vacume is hooked up!
you do know you should get your signal for the wastegate from before the throttle body right? i would change that if i were you.

ON topic: i have a set of 4 good stock injectors, lemme know if your interested.

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themadscientist
Posts: 26254
Joined: Tue Nov 12, 2002 3:30 pm
Car: R32 GTR, DR30 RS Turbo, BRZ, Lunchbox, NSR50 Sportster 883 Iron
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knightrider wrote:you do know you should get your signal for the wastegate from before the throttle body right? i would change that if i were you.
no, not true. Every Nissan and Toyota I have wrenched on uses a source in the intake plenum for boost signal. Every boost controller and boost-reading comptuter similarly instructs you to get a source on the intake. The sole exceptions I have seen are older turbos that feed the actuator from a port on the copressor housing.

silvia_ca18det
Posts: 179
Joined: Fri Aug 12, 2005 6:32 am
Car: 350whp ca18det drift silvia

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themadscientist wrote:
no, not true. Every Nissan and Toyota I have wrenched on uses a source in the intake plenum for boost signal. Every boost controller and boost-reading comptuter similarly instructs you to get a source on the intake. The sole exceptions I have seen are older turbos that feed the actuator from a port on the copressor housing.
this is correct all the nissans i have i have hooked it up this way and i gained boost and noticable response i was just messing around with the way things where hooked up and that seemed to work awsome going from there.....before the TB isnt bad either but a vacum source is a vacum source right? just depends when that vacum source is active!

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themadscientist
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I hook my boost gauge up to my TV because the programs suck.

ca18deTbeGinNer
Posts: 64
Joined: Fri Aug 12, 2005 6:22 am
Car: JDM 190 Nissan 180sx - RHD byatches!!!

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hey knightrider....do you still have the 4 injectors lying around??? im not getting s**t from my 4th injector. would you happen to have the wiring for them too??? email me at [email protected], thanks!


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