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What injectors?

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Old Jul 17, 2009 | 02:06 AM
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Default What injectors?

did a torquer 2 prc stg 2.5 5.3 heads install what injectors do i need for the car? should i get new rails?
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Old Jul 17, 2009 | 02:37 AM
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I would think with that cam and those heads you would be in need of atleast some 36 lb. injectors. Hook your car up to a scan tool and see what the duty cyle is on the injectors and you will get your answer. I've always been a fan of FAST fuel injectors but on this build Im gonna give fuel injector connection a try they have pretty good prices for their injectors and they're flow matched and everything.
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Old Jul 17, 2009 | 12:55 PM
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SVO 30s should do. Unless you're planning on running nitrous in the future, then I'd step up to some 42#ers. With my T2/GTP 2+ setup, I ran Bosch III 36#ers with my DC between 80-85%.
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Old Jul 17, 2009 | 06:40 PM
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SVO 30s should be plenty. Stockers wont do though.
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Old Aug 21, 2009 | 10:00 PM
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just finally getting to look up responces to my question. I found a good deal on 42#s would that be to much?
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Old Aug 22, 2009 | 09:15 AM
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Make sure these are rated at OUR fuel pressure. I just went thru this myself. We run at 58PSI and most injectors are rated at only 43.5PSI. So a "42#" injector (that rating is at 43.5 PSI) is actually a 50# injector on our cars. Pretty much add 15% to an injector that is rated at 43.5 PSI.
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Old Aug 22, 2009 | 02:55 PM
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yea i know there rated different for ours. there 50 or us just need to know if its to much
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Old Aug 22, 2009 | 04:18 PM
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I run the 42's and thay work great. Duty cycles are down N/A. You really can't have too much injector as the computer will determin how much the injector will put in the motor.

If you have a good deal on some 42's then get them, as it gives you some room to grow in the future and know that is one less thing to worry about when you add other mods.

Rails are fine and are usually good to arounf 650hp or so.

I would look into a racetronics fuel pump kit- on of the best out there and is very easy to install. If you have high miles I would do this at the same time as you really don't want your stocker to stop working.
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