fuel pump & low boost
Can my non-flex fuel pump support 450 whp? thats my power goals with my new setup and i was curious. Ive tried searching but im getting mixed reviews. new setup will be a 67mm turbo on low boost. and by low i mean 6-8 psi.
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What year truck
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2008 5.3. non flex fuel.
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So in 5 years nobody has tried to push a stock pump?
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I've run it to 600rwhp or so.
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Originally Posted by smokeshow
(Post 4982334)
I've run it to 600rwhp or so.
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You will need some good sized injectors. Your fuel pressure will go down with increased flow and so your delta pressure will take a dive as well. FWIW, I haven't got a clue how much power I'm making, but my truck is flex fuel, I'm running 60# injectors, making a maximum of 8psi, my injector duty cycles hit 95-100% and my delta pressure goes down to about 36psi.
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I ran a non flex fuel pump to 10psi on a TVS2300. The fuel pressure did start to drop at that boost level though. I ended up spraying meth as a suppliment.
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Originally Posted by scooter k
(Post 4982500)
I ran a non flex fuel pump to 10psi on a TVS2300. The fuel pressure did start to drop at that boost level though. I ended up spraying meth as a suppliment.
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Monitor your current WOT fuel pressure at the rail and then report back.
90%+ IDC results in too little leeway for any legitimate tuner to optimize the combination, and increases the likelihood of melted pistons. |
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