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Old 02-07-2010, 05:13 AM
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Fuel injector upgrade queston. Need Help

I have two questions i need some help answering;
1) What size (cc) are the stock injectors in my 99 3.4 V6?
2) Does anyone know of a factory injector that is larger (440-550) that would fit in the this engine?
Thanks in advance!
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Old 02-08-2010, 11:02 PM
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Quote:
Originally Posted by MATTMAKESBOOST View Post
I have two questions i need some help answering;
1) What size (cc) are the stock injectors in my 99 3.4 V6?
2) Does anyone know of a factory injector that is larger (440-550) that would fit in the this engine?
Thanks in advance!
Second question...Do you mean from another Toyota engine?
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Old 02-09-2010, 10:29 PM
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Smile

Yes to question #2, i have read that some people have used supra injectors but i was unable to get any more details. I have plans laid out to build a custom turbo kit for my T4R. I have planned to purchase 550's from RC Engineering, but this idea sounded different so I was just checkin.
Thanks for any help you can provide CR-Girl!
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Old 02-10-2010, 01:20 AM
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If you have if supercharged you can go to URD (underdog racing development) and see what they say as a 7th injector upgrade. you probably could swap from a different toyota engine but I don't recommend this. I mean you can have the bigger injector and all but tuning as well as a fuel pump and filter upgrade will do you better. I'm not that experience in the 3.4L. Just the 1gr and 2uz engine in 4runners in terms of high performance. if you need more help let me know.
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Old 02-10-2010, 08:26 PM
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I've got 2jzge supra injectors for mine. They are the biggest toyota injectors you can find that will plug directly in with the stock harness. I believe they are 305-310cc's. If you want to go larger then that, you have to go aftermarket.
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Old 02-13-2010, 07:07 PM
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Thanks for the help guys. I will have to go with at least 440s for what i am planning. It was just an option that i wanted to get some feedback on.
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Old 07-10-2009, 09:59 PM
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