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Any suggestions on what injector size I should upgrade to: I am in the process of doing some engine upgrades, but I have not fully decided what I will be doing:

Using E-manage

I have these 3 options in front of me, each one more money, but more power
:

1.) P&P Head, 74mm Throttle Body, Intake Manifold, OBX Header, OBX Cold Air Intake, & OBX 2.5' Cat back Exhaust.

2.) P&P Head, 74mm Throttle Body, Intake Manifold, SF Turbo at 9-10 Psi Max with 5 psi min & OBX 2.5' Cat back Exhaust.

3.) P&P Head with DH regrind turbo cam, 74mm Throttle Body, Intake Manifold, DH Built Shortblock, SF Turbo 18 Psi Max with 10 psi Min & OBX 2.5' Cat back Exhaust.

I am still deciding what to do, but whatever I do, I will need to change the stock injectors and I can't seem to figure out what ones to go to. I am guessing; 1 - 310's, 2 - 440's, and 3 - 550's. Maybe bigger?

Any Suggestions?

 
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Another question, aparently the AEM Cam gear doesn't fit properly for our car (ask Gearbox). Does anyone know of another cam gear that was designed for the D17? Should I change my timing belt when I change the cam gear, or is the stock one good for a while, I have 9000 miles on my 2001 EX.

 
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Bump - Any new ideas?

 
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440cc are the biggest you will need on boost bc after 9-10lbs you will need some new internals and 550cc

 
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Thanks for the info Spider, I plan on getting some internals, but not yet. Can I still run the 550's without dammage until I get the built engine?

 
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you can run any size injectors you want however you have to have the engine managment to control them

 
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Do you know if the stock rsx injectors are a direct replacement?

 
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Which RC injectors would be good for stock internals and what modifications are needed for these to fit?

 
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Where/who are you planning on getting the intake manifold from? I have yet to find one that fits our cars with 100% certainty.

 
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Still waiting on Opto for the RSX injector size fitting, I think he is getting them flow tested at the moment.

The IM is from DH-Racing, and I am told it will fit with the SF turbo system without modfication of any turbo piping.

 
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The AEM cam gear fits perfectly.

 
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Good to hear.

 
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I wonder if it actualy works since the PCU controls the timimg.
What happens when trying to advance or retard the timing using the gear?
Will the PCU compensate for it?

 
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i need help i installed the aem cam gear and now i have a knocking noise but it sounds like is coming from the cam gear, i installed it twice and same thing both times when i start the car the sound isnt there bu after it idles for 3-4 minutes it comes bak does anyone know what this is ? i can drive my car like this

 
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Make sure that the cover is not rubbing it.

 
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soo since the rsx injectors fit.. then in i guess some aftermarket rsx injectors would fit too. so i guess that means we have ALOT more options.

 
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Aftermarket RSX injectors don't just fir right in either on an RSX, the clips have to be wired. Not just plug & Play.

 
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damn i thought they were plug and play i have some and they look exactly the same they plug into the civic harness

 
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Sorry, RSX injectors fit in our Civics, but 'AFtermarket' injectors for an RSX like RC ones, don't just clip right in on an RSX, the clips need to be cut & attached.