I am trying to find out the factory fuel pressure at the rail of the RDX. I have heard that it is close to 100psi. Any and all information is appreciated

 

fuel pressure where you attach a fuel pressure guage is about 50psi. not sure of any differences at the fuel rail specifically.

 

Thanks, I plan on using these injectors in an RSX-S engine. Just wanted to make sure, heard that the better atomization was due to increased psi like a diesel engine. These should work great

 

Good luck with it. Let me know how it works in case I ever want to change my injectors in my RSX-S if I supercharge....

 

out of curiousity, what are you putting in your rdx or are you just trying to upgrade yur rsx with rdx parts?

 

he just said that he wants to use the RDX injectors in his RSX-S. He likely installed a turbo or super charger in the RSX-S and would like to get larger injectors to deliver the fuel.

 

Close, I am keeping the motor Naturally Aspirated for now, (it is in my 91 CRX) I will be installing camshafts (IPS-K2) that have the ability to make power up to 9000 RPM. The stock RSX-S injectors are 310cc, this would max out the duty cycle at that high. The RDX are around 410cc from my understanding, and they have a different spray pattern that atomizes the fuel better. The RDX injectors are a cheap alternative to aftermarket sets (only $37 each) and they work fine after modifying the clip a lil bit. That being said I think the K20A.org community has purchased all of these injectors that are in stock in the last 48 hours.

 

Oh nice, I miss my old CRX. That was the first car I ever bought. Had a blast in it! Had Jackson Racing cams, headers and exhaust, K&N intake. That was a fun car. I used to deliver pizzas in it. 30 minutes or less....guaranteed!