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B20vtec Injectors Question

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Old Jul 9, 2005 | 10:11 AM
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fracas's Avatar
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Default B20vtec Injectors Question

Ok Here is my problem. I have a fully built B20vtec running Rc 310's as of now. I just bought a set of Rc 440's. What I want to know is this. Will the 440's be too much for my set up?

I installed the 440's and it was running So rich that the motor WOULD NOT stay running. I plan on getting tuned this coming week.

97 B20b JDM Block

12:1 Wiseco pistons
Eagle Rods
ACL bearings
Mirco Polished GSR Oil Pump
Knife Edge Crank
Balanced & Blue Printed
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ARP head studs & rod bolts

99 B16a2 Head

Full Port and Polish
7 Angle Valve Job
Crower Over size Valves
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Skunk2 Stage 1 cams
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Rc 310cc
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Hondata S200 / P28
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Old Jul 9, 2005 | 03:28 PM
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Help??????????
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Old Jul 9, 2005 | 03:40 PM
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Default Re: (fracas)

What are you using for engine management? If your just using a stock ecu it will be way rich, most likely... Also what kind of car and do you have the right injectors for your application?
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Old Jul 9, 2005 | 03:49 PM
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Im not being rude. But did you READ my SET UP LIST???


Man I have a fully BUILT b20vtec. High Compression and Hondata S200 for tuning.
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Old Jul 9, 2005 | 04:26 PM
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From: in this nutshell
Default Re: (fracas)

it looks by your setup that 440's will be ok. ive seen people run 440's with less of a build than that-you should probably get some bigger cams for that compression though.
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Old Jul 9, 2005 | 04:37 PM
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Default Re: (fracas)

Sorry man I didn't..... But 440's should be fine... Get it tuned. Do you have a basemap for 440's? Turn the fuel pressure down a little if you can...
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Old Jul 9, 2005 | 04:56 PM
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so you think Skunk2 stage 2 would be better?
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Old Jul 9, 2005 | 09:23 PM
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Default Re: B20vtec Injectors Question (fracas)

whats your worry? you have hondata
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Old Jul 9, 2005 | 10:48 PM
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Default Re: B20vtec Injectors Question (EG6R)

it all depends on how much hp you make...

ok.. if you want to do the math to calculate the injector size...

go here... http://www.rceng.com/technical.htm#WORKSHEET
i could give u all the math... but i figured it would be easier to just let u plug and play
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Old Jul 9, 2005 | 10:56 PM
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Default Re: B20vtec Injectors Question (dcb16)

oh ya... to guess how much HP you get... to get it in ballpark:

(wheel hp x .15) + wheel hp = estimated bhp (brake horsepower) **i believe you lose 15% to emissions devices and mechanical efficiency but it could be more with certain vaiables**

and your BSFC in your all motor app is about .45

remember 80% is a safe duty cyle for your injector
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Old Jul 10, 2005 | 07:36 AM
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Great info if I knew what you were talking about.
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Old Jul 10, 2005 | 10:57 AM
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I looked at the site and tried to use the Graph. But Im lost.
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