In case you don't know, RDX injectors are 410cc injector. Stock EP3/RSX injectors are 310cc. If you plan on swapping a more aggressive cam with RH/CAI/E... you are really pushing the limits of the stock 310 injectors. You can upgrade to RC440cc but expect to pay a premium for them. The roughly run like 100 per, and it has been cataloged and even these injectors don't give you the same cc.
So, that's where RDX injectors come in. They are 410 straight from Honda. They are for the K23... one of a few Turbocharged factory engine honda has ever made. Therefore their spray pattern is better for performance.
In contrast to spending like $100 on each injector that is aftermarket... i spent only $36.74 for each one.


The issue is that our k20 injector harness does not match the k23 injector.
here is a pic of what the k23 injector connector looks like:

The problem can be solved as stated in other websites such as clubrsx and k-series. They state to purchase a Scion tC injector connector. i purchased (4) and test fitted one assembly to see if it really works. To my amazement... it's a perfect fit.
here is a pic of just of tC injector:



even the stopper for preventing the connector clip from falling off the injector matches!

and here is the RDX/Scion tC injector hybrid:

All you have to do is re-pin.
To purchase the parts:
RDX injector w/ o-rings
Delray Acura:
P/N - 16450-RWC-A01
Desc - Injector Assy., F
Price - $34.74/ea --- Total with tax and shipping $ 160.00
Scion tC injector housing
Lynch Toyota:
P/N - 90980*11875 **The part will come up as Toyota. It's this part! **
Price - $5.29/ea --- Total with tax and shipping $23.00
**Note - for you it might be more expensive due to shipping. Lynch is down the road from my business office so they gave me free shipping.
This post has been edited by bluepildo: 04 August 2009 - 12:14 PM

Help




















