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??????INJECTOR SIZE 4 B20/VTEC?????????

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Old Oct 3, 2005 | 08:17 AM
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Default ??????INJECTOR SIZE 4 B20/VTEC?????????

I need bigger injectors for my motor on the lean side wondering what is the optimal size for b20w/b16head thanks for any help
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Old Oct 3, 2005 | 08:30 AM
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At least 310cc, some people run Prelude's 290s. I use 370s.
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Old Oct 3, 2005 | 03:33 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC????????? (racer4life)

mine has 345cc OBD1 H22A Injectors and works really fine at high rpm
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Old Oct 3, 2005 | 05:55 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC????????? (chechin)

thanks....Any dyno paper work
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Old Dec 31, 2005 | 10:20 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC????????? (racer4life)

my 11:1 gsr motor with almost maxxed 97+prelude 290s did fine, i have a dyno, just search for stuff created by me.

i just had my head done by portflow and now i'm showing lean at almost any full throttle rpm past 5k. so i guess some prlude 340s and a resistor box is going into my gsr
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Old Jan 1, 2006 | 09:46 AM
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h22 345's right here. 226whp and 155 wtq.
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Old Jan 1, 2006 | 09:59 AM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC????????? (chechin)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by chechin &raquo;</TD></TR><TR><TD CLASS="quote">mine has 345cc OBD1 H22A Injectors and works really fine at high rpm</TD></TR></TABLE>

Running the same injectors in my LSVTEC. Plenty of fuel...
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Old Jan 1, 2006 | 01:45 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC????????? (chechin)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by chechin &raquo;</TD></TR><TR><TD CLASS="quote">mine has 345cc OBD1 H22A Injectors and works really fine at high rpm</TD></TR></TABLE>
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Old Jan 22, 2010 | 06:25 AM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

Bringing up from the dea thread. Im on the same route. Will this help out peformance and also do you have to remap ecu chip and lastly what fuel pressure should i set it to.
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Old Jan 22, 2010 | 01:23 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

Common anybody a little info needed here!
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Old Jan 22, 2010 | 01:30 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

with my lsvtec bloxC 219hp/154tq
im at 270-280cc with my s2000 injectors
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Old Jan 22, 2010 | 02:06 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

i used 440cc because I got them cheap.
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Old Jan 22, 2010 | 02:56 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

Originally Posted by komat
with my lsvtec bloxC 219hp/154tq
im at 270-280cc with my s2000 injectors
At what fuel pressure are you at? Imma be using 345 peak and hold from and h22

Originally Posted by .Manny.
i used 440cc because I got them cheap.
Whao thats big also at what psi on fuel are you at?
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Old Jan 22, 2010 | 04:39 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

whatever is factory

i forget its been a while since i looked at my fuel gauge. im using stock fpr
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Old Jan 22, 2010 | 05:29 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

DSM 450cc or Evo8 560cc they will be more than enough and cheap too
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Old Jan 22, 2010 | 05:51 PM
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Default Re: ??????INJECTOR SIZE 4 B20/VTEC?????????

Originally Posted by 092eg6
DSM 450cc or Evo8 560cc they will be more than enough and cheap too
RX7 and Supra injectors work well also from what I've been told.

Anyone running the RDX injectors?
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