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02-04-2017, 08:09 PM | #1 |
Drives: '08G2T Prius Join Date: Oct 2012
Location: United States
Posts: 163
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Upgraded 1NZ injectors
I posted this question in my own thread in the boosted section but didn't get any responses. So I thought I'd repost it here...
Anyone know the actual specs on the 1ZZFE injectors? I've heard an array of answers on the CC range. Looking at these - both listed for the Toyota 1.8 23250-22040 vs 23250-0D050 Anyone know the difference? What are most people using when they are attempting to upgrade their current 1NZ injectors? |
02-05-2017, 12:49 PM | #2 |
2ZR swap. DO IT! Ask how!
Drives: 09 Meteoric Metallic HB Join Date: Feb 2011
Location: West Michigan
Posts: 2,333
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Green:
Blue: https://monkeywrenchracing.com/produ...or-1-1zz-blue/ Not sure of the actual reason for different part numbers. Possibly spray pattern or internal resistance? Maybe just color coded to keep them separate on the production line? |
02-06-2017, 04:28 AM | #3 |
feed my pet
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someone did a review & comparison:
https://bobistheoilguy.com/forums/ub...Injectors_for_ I've also switched my orange injector to the jap blue ones. I did notice they were a bit smoother on idle and better fuel consumption during highway travel |
02-06-2017, 07:30 AM | #4 | |
Drives: '08G2T Prius Join Date: Oct 2012
Location: United States
Posts: 163
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Quote:
Interesting.. Thx! Wonder if it really is just the spray pattern or the +5cc difference ? The green ones have more YW user reviews but this blue review intrigues me. |
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02-06-2017, 09:06 AM | #5 |
feed my pet
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oh yeah my orange injector has the same nozzle pattern as the blue ones. Possibly the cc are about the same too. My mechanic did mentioned that the cycle duty are probably different.
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02-06-2017, 11:05 AM | #6 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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I needed this info too. Thanks for the info everyone. I'll make sure to look for the blue injectors then.
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02-06-2017, 11:08 AM | #7 |
Drives: '08G2T Prius Join Date: Oct 2012
Location: United States
Posts: 163
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Upgraded 1NZ injectors
How do these look? These are "flow-matched"...
http://m.ebay.com/itm/Denso-Flow-Mat...ATCHING_ACTIVE |
02-06-2017, 02:44 PM | #8 |
Drives: White '07 3dr LB Join Date: Jun 2016
Location: Montreal
Posts: 480
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Are the 1.8L injectors intended to be used in the Yaris 1.5L 1NZ engine ?
Envoyé de mon iPhone en utilisant Tapatalk |
02-06-2017, 04:02 PM | #9 |
iQ innovator & researcher
Drives: 2012 iQ Join Date: Mar 2016
Location: Central Pennsylvania
Posts: 199
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Very nice info! Not sure how I missed this initially in either section. I'll be upgrading now that I have a path for a turbo on my 1NR-FE.
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02-06-2017, 06:40 PM | #10 |
Drives: '08G2T Prius Join Date: Oct 2012
Location: United States
Posts: 163
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02-06-2017, 10:01 PM | #11 |
2ZR swap. DO IT! Ask how!
Drives: 09 Meteoric Metallic HB Join Date: Feb 2011
Location: West Michigan
Posts: 2,333
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I upgraded to the green 1ZZ injectors to keep from going lean with my Blitz supercharger. If you have a proper engine management system, you can just tune the fuel map to compensate. The Blitz comes with a really basic piggyback that just makes the ECU go into open loop mode, which just dumps a ton of fuel to ensure it's not running lean. Bigger injectors = more fuel = lower AFR under boost. Not terribly elegant, but safer than running lean and breaking things.
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02-06-2017, 10:05 PM | #12 |
Drives: White '07 3dr LB Join Date: Jun 2016
Location: Montreal
Posts: 480
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02-07-2017, 10:09 AM | #13 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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Just as a reminder, what's the 1NZ injectors rated at for CCs so I can make the adjustment in the FIC?
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02-07-2017, 10:21 AM | #14 |
Drives: '08G2T Prius Join Date: Oct 2012
Location: United States
Posts: 163
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02-09-2017, 05:39 PM | #16 |
Drives: '08G2T Prius Join Date: Oct 2012
Location: United States
Posts: 163
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Upgraded 1NZ injectors
Nice -
1NZ: 200cc 19lb/hr 14ohm |
02-09-2017, 06:16 PM | #17 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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I can't remember what I have my response time set to but I'm going to change it to about 500us. My idle seems seems to be very rich as my fuel trims are always very far into the negative area and it crank on cold starts longer than it should.
I'll report.back when I get around to it. |
02-09-2017, 07:57 PM | #18 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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I don't know why but I had it set to 850us. That would explain the long cranking and poor throttle response when hot. Moved it to 526us. I'll have to check my fuel trims now. Did it just before rushing out to work.
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