Subject	Nismo 740 to avoid future problems...
Posted by	Ted (92TT) on April 10, 2019 at 9:22 PM
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In Reply To	Upgrading 300zx injectors posted by MJzTTZ on April 10, 2019 at 09:03 AM
Message	Do it right or do it twice, as they say. Nismo is the only reliable option for side feed injectors. Stay away from 555 or 615 as they have no upside. The 740s run fine on otherwise stock motors, have plenty of capacity for future upgrades, and all the chip vendors sell base tunes for them. The stock fuel rail is more than adequate. You'll need adapters as well as a new chip tune.
Follow Ups	Upgrading 300zx injectors - MJzTTZ 09:03:07 04/10/19 I would not recommend the Deatschwerks intectors - itsa300zx 13:55:21 04/10/19 Re: Upgrading 300zx injectors - ZBOOSTT 14:27:38 04/10/19 Re: Re: Upgrading 300zx injectors - MJzTTZ 15:01:25 04/10/19 Re: Re: Re: Upgrading 300zx injectors - ZBOOSTT 18:57:08 04/10/19 Nismo 740 to avoid future problems... - Ted (92TT) 21:22:15 04/10/19 Re: Nismo 740 to avoid future problems... - ZBOOSTT 22:10:11 04/10/19 Back in the day JWT wouldn't use Deatschwerk units - Gordo NA2LS Daytona 07:34:59 04/11/19 Correct. There is nothing wrong with Nismo 615cc injectors. - MixManMash 07:55:21 04/11/19 Problems as in they're not big enough and I could have got - Ted (92TT) 23:08:34 04/11/19 And actually was referring to future probs with DW... - Ted (92TT) 23:16:18 04/11/19 Any issues passing CA SMOG with 740cc injectors? - turisimo66 08:51:34 04/11/19 I have scoped my 740 nismos at around 750rpm and lambda 1... - kickerzx 13:07:56 04/11/19 (because larger pulsewidth and thereby better control) (n/m) - kickerzx 13:09:30 04/11/19 Re: (because larger pulsewidth and thereby better control) - ZBOOSTT 14:05:22 04/11/19 To be honest i dont think you will find sidefeed injectors.. - kickerzx 14:44:11 04/11/19 Re: I have scoped my 740 nismos at around 750rpm and lambda 1... - turisimo66 14:21:09 04/11/19 How does this affect emissions for a smog test? - Polish 16:33:13 04/11/19 If thats how your smog is done then no it wouldnt matter. - kickerzx 16:49:05 04/11/19 But it depends on the injector pulsewidth at the time of - kickerzx 13:21:12 04/15/19 How does the pulsewidth affect the emissions? - Polish 01:16:25 04/16/19 I was thinking if pw is so low you are entering the area - kickerzx 05:18:19 04/16/19 Re: I was thinking if pw is so low you are entering the area - turisimo66 08:51:04 04/17/19 Thing is. Dutycycle isnt really the best way to look at it.. - kickerzx 10:54:35 04/17/19 Re: Thing is. Dutycycle isnt really the best way to look at it.. - turisimo66 08:15:03 04/18/19 Yeah. I guess i was more telling others reading it.. - kickerzx 10:59:09 04/18/19 Somewhat at least... (n/m) - kickerzx 11:00:50 04/18/19 And yeah. Resolution on a 8bit ecu isnt really great :) (n/m) - kickerzx 11:17:05 04/18/19 hmmm. I MAY have made a bit of a fool of myself. - kickerzx 12:07:00 04/18/19 Re: I was thinking if pw is so low you are entering the area - turisimo66 07:59:39 04/18/19 Re: Upgrading 300zx injectors - MJzTTZ 15:37:11 04/11/19 CA SMOG pass with 740cc no problem and i have a 96 - RonZ300 (Socal) 23:21:34 04/19/19
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