Most boost on stock injectors?
What is the highest boost you guys have run on your stock injectors? List turbo size and fuel management when replying please.
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I ran a 2560 at 8psi on stock injectors. Maxing out at 155% DC, woo-hoo.
EDIT: I'm sorry, I spiked at 11psi once and hit 225% DC. With the log to prove it. |
A friend of mine had a 92 miata, Greddy kit with the fuel riser, FMIC intercooler, and a greddy e-manage. He got up to 9psi. Can't remember the HP but I think he hit 178ish.
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Originally Posted by rider384
(Post 703063)
I ran a 2560 at 8psi on stock injectors. Maxing out at 155% DC, woo-hoo.
EDIT: I'm sorry, I spiked at 11psi once and hit 225% DC. With the log to prove it. |
Actually, at 225 it was at a dead even 10.5
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Originally Posted by rider384
(Post 703092)
Actually, at 225 it was at a dead even 10.5
My reasoning for this thread was simply because when I run my car on stock injectors, it runs pretty smooth. When I run the 460's it runs smooth most of the time, then sometimes not. I even tried a brand new set of 460's. I just feel they're unnecessary for what my car needs are. I drive it as a daily driver in nice weather, and I really don't need to see over 10 psi, so why use 460's if I really can get away with stock injectors? It ain't like I'm running a voo-doo box, I use MS2 Standalone. |
On factory fuel pressure and pump, I ran 8 psi, I think I was at 130% DC.
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Raise the pressure with stock injectors and you should be good to go, depending on power levels.
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I'm guessing that on my setup 10psi would be right around 200whp.
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15g, vortec rrfpr, 190HP fuel pump, megasquirt, 12psi.
I didn't run it like this for long before getting 550's. |
There's always rx8 yellow injectors, oughta atomize even better than stock injectors.
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They are either locked open or not. anything above 90% or so is completely open.
I maxed my 305cc injectors at 7psi, which was around 170rwhp. |
12lbs. 1.6 on tan tops. vortech sfmu and walboro 255hp stupid fuel pressure my guage stopped at 130psi. it would hold 11/1 af though. not that I'd recommend doing so.
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460s and 550s don't idle well. Shitty injectors but ok for cheapo projects.
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Sr20DET T25, Walbro 190lphHP, Bipes, O2Clamp, stock 1.6litre motor, 110psi fuel pressure, reman'd tan-tops... 14psi and just fine until I got 305's. Right around 200whp.
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Originally Posted by Reverant
(Post 703446)
460s and 550s don't idle well. Shitty injectors but ok for cheapo projects.
I ask only because I didn't find the 465cc injectors which I got from Five-O to be particularly shitty, and the car idled well enough with them on to pass a CA smog inspection. |
I gave him the benefit of doubt and assumed he was talking about these injectors on a stock computer with an "adjusted" AFM.
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I'd also like to know as I bought some low impedance EVO 550s hearing they were much better. I got the individual injector driver board for my MS2 for them, too.
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I maxed out my red tops with stock fuel pressure and about 7-8 psi seeing low 12 afrs.
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I'm running cleaned and flowed 1.6 injectors with diypnp at 7psi (8.5 spike). IIRC, when they were cleaned they were flowing 230cc, even though they are rated at 212cc
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