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How Much Power Out Of S15 Injectors

sinistaGTR

By sinistaGTR,
in Engines & Forced Induction

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paulr33 Grand Master

paulr33

Posted
Posted

yeah they will be fine at that power level, i would expect somewhere near 80% duty cycle, somewhere near there. just make sure you have a good pump to keep up and it should be fine.

fuel injection is irrelevant of turbo, boost pressure etc. it purely comes down to how much is being induced and how much fuel you need to maintain the levels and make it combust

mickr33 Community Regular

mickr33

Posted
Posted (edited)
the s15 injectors must be manual JDM ones.

australian s15 injectors are only 370cc like the R33 stockers

Hi Paul. With the stock R33 injectors what would you think

they are capable of. Obviously with the supporting mods

such as fuel pressure reg, pump etc. Also im currently

using the walbro. Do you think they are that bad? Im

after around 230-240 mark. Should i change to a 040?

Thanks. :D

Edited by mickr33
Busky2k Veteran

Busky2k

Posted
Posted
the s15 injectors must be manual JDM ones.

australian s15 injectors are only 370cc like the R33 stockers

Nope. ADM is 440cc aswell. They are not 480cc as everyone says because they were measured at a different pressure.

chrissso Proficient

chrissso

Posted
Posted

You should get about 345 rwhp out of a walbro.

They don't pump as much as a bosch 040 or 044.

I don't think they're bad at all. I know one guy on here who had a walbro that sucked in it's filter. And I've heard a lot of people have bought dodgy chinese knockoffs sold as walbro's. The knockoffs don't pump muh at all. (Just amke sure it's real!!)

But I think they are a good replacement for the stock GTST pump - although not huge.

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