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Fuel system ability?

 
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Old 01-28-2016, 04:25 PM
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Fuel system ability?

I have a 94 Prelude H22. All motor. Right around the 200hp mark. Tuned on hondata s100. Stock 345cc injector. The last time I had it tuned my dyno guy told me I was at 98% duty cycle and there was not much more room for more upgrades. Well the time has come and I'm adding a little more power. I was wondering what to look for as far as an injector goes. What is too much? Also will the stock fuel pump support this or will that be something I need to start worrying about as well as the injector?
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Old 01-30-2016, 09:41 PM
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Re: Fuel system ability?

RDX injectors are something to look into, yes u may need a fuel pump with a higher GPH rating
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Old 01-31-2016, 03:37 AM
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Re: Fuel system ability?

The stock fuel pump can reportedly only deliver around 80LPH, which with a maxed out set of 345's is also going to be running near its limit. Walboro make a 255LPH in-tank pump and a kit for our cars which will do you up to about 1000cc injectors, but unless you are going turbo or running E85 then these would be massive overkill. The 410's static mentioned are a good middle ground and by the time you outgrow these you'll probably want a different intake manifold anyway. Even with the RDX injectors you'll need to look at a new fuel rail and adapters to suit. Check out Rosko Racing, they make a rail to do just the job.

It all depends what your goals are.
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