RC720 injectors with fmu & Vafc for H22 at low boost.

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Old Jan 5, 2007 | 08:30 AM
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Default RC720 injectors with fmu & Vafc for H22 at low boost.

Can 720's be used without a chipped ecu on a H22 at low boost (10psi)
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Old Jan 5, 2007 | 08:46 AM
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Default Re: RC720 injectors with fmu & Vafc for H22 at low boost. (turbociviccoupe)

they are RC....kinda thought they would be too big and would flood the engine since my ecu is stock... I gues the vafc can make the adjustments.
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Old Jan 5, 2007 | 08:53 AM
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Default Re: RC720 injectors with fmu & Vafc for H22 at low boost. (jetlude)

i thought you ment with a chipped ecu...my bad its been corrected. the highest i ever used with a vafc is 310's
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Old Jan 5, 2007 | 09:07 AM
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Default Re: RC720 injectors with fmu & Vafc for H22 at low boost. (turbociviccoupe)

Is there a reason why u want to use an fmu and apexi when it would be way more easier to use a ems for less the money u would have pay for that setup and less headache plus u can control timing which that setup wouldn't do. Just wondering..
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Old Jan 5, 2007 | 09:32 AM
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Default Re: RC720 injectors with fmu & Vafc for H22 at low boost. (YC Underground)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by YC Underground &raquo;</TD></TR><TR><TD CLASS="quote">Is there a reason why u want to use an fmu and apexi when it would be way more easier to use a ems for less the money u would have pay for that setup and less headache plus u can control timing which that setup wouldn't do. Just wondering..</TD></TR></TABLE>

Got these stuff(fmu apexi) already......no extra cost. Cant these work with the 720's .. Has anyone tried it sucessfully?
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Old Jan 5, 2007 | 09:41 AM
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Default Re: RC720 injectors with fmu & Vafc for H22 at low boost. (jetlude)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jetlude &raquo;</TD></TR><TR><TD CLASS="quote">

Got these stuff(fmu apexi) already......no extra cost. Cant these work with the 720's .. Has anyone tried it sucessfully?</TD></TR></TABLE>

Honestly you are dreaming. There is NO WAY the car will idle with 720 cc injectors with a VAFC/AFC.

I played around with FMUs and VAFC in my early days and I couldn't even get my 440cc injectors to idle properly on a hot humid summer day. Your fingers will be sore from pushing the corretion buttons all day.

your best bet is to sell the FMU to some ricer for $50 and ebay the apexi unit to another ricer and buy some real engine management.

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Old Jan 5, 2007 | 06:50 PM
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Default Re: RC720 injectors with fmu & Vafc for H22 at low boost. (Mr. Helsinki)

your best bet is to sell the FMU to some ricer for $50 and ebay the apexi unit to another ricer and buy some real engine management.

X2
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Old Jan 5, 2007 | 10:06 PM
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Default

why are you 720cc injectors if you are going to run low boost?
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