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what injector size should i be running???

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Old Sep 21, 2009 | 09:54 PM
  #1  
mynameizstitch's Avatar
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Default what injector size should i be running???

ok got almost everything complete now with the project. motor is b16a and i want to know what injector size i should be running. i was thinking maybe just some rc 310's will do the job but what do you think? also do you think my stock fuel rail will hold up or will i have to upgrade to like aem fuel rail or something like that? (trying to keep motor looking stock as possible since CALIFORNIA laws sucks and dont want to be %$#@ over when cops pop my hood). so all the after market bling or parts not needed i would like to keep them out. my car is BAR for B16 already so that is why i went with a B16 build so if they pull me over they cant say nothing because they wont know what is inside of the motor only the outside.

mods:
skunk2 intake manifold
Crower cams stage 2
Crower valves
Crower springs
Crower retainers
Crower rods
SRP pistons (with this whole setup to be at 11:1 cr)
Skunk2 pro series cam gears
Type r oil pump
Block guard for higher rpm's
besides the parts listed above the rest is all oem parts from the local honda dealer

***car will be tuned on crome with a p28 ecu hoping to get 190-200 hp on the wheel.

Last edited by mynameizstitch; Sep 21, 2009 at 10:10 PM.
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Old Sep 22, 2009 | 03:27 AM
  #2  
non-VTEC's Avatar
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Default Re: what injector size should i be running???

310cc will work for that much power.
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Old Sep 22, 2009 | 06:29 AM
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Default Re: what injector size should i be running???

So run your numbers here.
http://www.rceng.com/

Something between 310-370's.
Stock Fuel pressure is betweeen 45-55psi.

Last edited by OH_1fstgsr; Sep 22, 2009 at 06:39 AM.
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Old Sep 22, 2009 | 07:00 AM
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Default Re: what injector size should i be running???

yeah i was thinking either 310's or 370's should be perfectly fine.
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Old Sep 22, 2009 | 12:03 PM
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Default Re: what injector size should i be running???

If it's the same price or very close in price, I would get larger than 310cc, since you can scale down larger injectors to feed the appropriate amount of fuel in Crome. So there are zero negative consequences for going a little larger that currently necessary for your setup. Plus if you ever sell them, you'll have more buyers interested in a larger injector and probably get more money for them.

Your stock fuel pump, fuel rail, and FPR are more than sufficient too...no point in "upgrading" them since you are tuning the setup with Crome.
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Old Sep 22, 2009 | 01:32 PM
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Default Re: what injector size should i be running???

with 11.5compression lsvtec blox c cams
i was only using 270cc out of the 360cc
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Old Sep 23, 2009 | 08:22 AM
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Default Re: what injector size should i be running???

Originally Posted by Mike95lude
If it's the same price or very close in price, I would get larger than 310cc, since you can scale down larger injectors to feed the appropriate amount of fuel in Crome. So there are zero negative consequences for going a little larger that currently necessary for your setup. Plus if you ever sell them, you'll have more buyers interested in a larger injector and probably get more money for them.

Your stock fuel pump, fuel rail, and FPR are more than sufficient too...no point in "upgrading" them since you are tuning the setup with Crome.
I agree with everything but the fuel pump. I would recommend upgrading that as cheap insurance.
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Old Sep 23, 2009 | 08:35 AM
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mynameizstitch's Avatar
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Default Re: what injector size should i be running???

yeah ima upgrade my fuel pump for sure to a walbro 255. anyone think 190hp is reachable with my setup???
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