All Motor / Naturally Aspirated No power adders

Do i need to upgrade my injectors??

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Old Dec 9, 2004 | 11:08 PM
  #1  
BrokeAssWhiteboy's Avatar
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Default Do i need to upgrade my injectors??

when i was trying to "tune" my new setup today, no matter how much i raise the fuel pressure, the afr is coming back up at around 5900 rpm, it goes from around 12.7 at 5900 to 13.8 around 7500

does this mean i have run out of injector???

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Old Dec 10, 2004 | 12:10 AM
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how much power are u making and what size injectors are you runing. but the only real way to measure it is to datalog the injectors on one of your dyno passes, then u can see how much duty cycle its pushing
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Old Dec 10, 2004 | 12:29 AM
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i am making 188 hp @ 7600 rpm, 7600 is the highest i took it due to the a/f ratio headed to the lean side

i am running stock 97 ex injectors

here is a link to the thread with my chart and mods https://honda-tech.com/zerothread?id=1080997
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Old Dec 10, 2004 | 12:32 AM
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anyway to datalog without piggyback, or standalone?

i plan on gong hondata, but i am still on the hunt for a virgin p72 obd1 i have a p28 but i don't want to lose my iab in my stock i/m

btw i am running a gsr
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Old Dec 10, 2004 | 05:12 AM
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Default Re: (BrokeAssWhiteboy)

What are you tuning with? Just the AFPR?
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Old Dec 10, 2004 | 06:02 AM
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if i am thinking correctly, 97 EX injectors are about 240cc? if so they are definitely too small to be making close to 200whp. What you should look for is something in the mid 300 range. like a 340cc or a 370cc. then you should be good
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Old Dec 10, 2004 | 06:54 AM
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Default Re: (BryanPendleton)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BryanPendleton &raquo;</TD></TR><TR><TD CLASS="quote">What are you tuning with? Just the AFPR?</TD></TR></TABLE>yeah and a innovate lm1 wideband in the tailpipe
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