jdm92_accorn : 1992 Accord LX

[jdm92_accorn]

I actually have a f22 bottom with nothing in it but a block brace which is at most 1lb.

[jdm92_accorn]

look at what showed up on my doorstep first thing this morning.

[wildBill83]

So it's like Christmas in July there!

[jdm92_accorn]

Lol, yeah it feels like it. Now all I'm waiting on is my camshaft, throttle body and engine mounts and ill be ready to test fit and assemble.

[jdm92_accorn]

so i was doing some browsing and decided to show you guys why i came up with the decision to run the rdx injectors over my previous rc, injector clinic and bosch injectors.
with our cylinder heads (f/h series alike) having split port design due to 2 intake valves, our optimum spray pattern is different from single intake valve engines. the mentioned injectors above that i've personally ran on my car are a narrow spray pattern that does not work well with my engine and has caused me poor fuel economy, driveability issues and a some-what rough idle. this was due to wasted fuel sticking to the intake tract walls (more specifically the divider).
f22a port

example of spray pattern

this difference is due to the shape and placement of the holes on the pintle head.
this is an up close of the rc injectors i was using

and this is one of the RDX injectors, notice how the holes are designed to flow towards the split path.

this will account for a much better fuel atomization which can lead to some pretty good benefits like less wasted fuel (ie better fuel economy), smoother idle and can even make a little more power. now this wont make some astronomical difference in hp but it has been proven to gain a few (2-3whp).

also for some reference information i measured my h23vtec throttle body before i sent it to maxbore. the only difference i see between the h23vtec and the s2000 throttle body is the throttle rotor is shaped slightly different and the tps positioning is different. the h23vtec points down like normal but the s2000 one points up. there is usually enough slack in the wiring to reach it so it fits with no problems.
66.37mm at the opening
61.81mm at the blade
62.65mm at the outlet

[jdm92_accorn]

Well I got the cylinder head off the old block so I can steal my valvesprings and then I can scrap all this spare junk.

[sac98494]

lookin good! keep it up. its good to see people workin on these old cars

[jdm92_accorn]

Sometimes I feel like it's all I do, lol.

[jdm92_accorn]

Well my throttle body and motor mounts showed up today. Only thing left is my camshaft and cam gear.
This is the tapered h23 vtec next to the s2k.

[sepulveda87]

what level cam you going to use this time?

[jdm92_accorn]

Modded the fuel rail and injectors to fit. Plug-n-play my a**. The guy was like" yah so the adapter goes on the outlet side". Wrong answer. It goes on the fuel rail side but you have to trim off a small piece on the injector and then the hat slides right on.

[jdm92_accorn]

Finally got a chance to really look at the throttle body. This thing is a work of art.

[CB7DX420]

Love it man, I was gonna use those same injectors for my build

I'm gonna buy the fuel rail for them tho instead of modifying the original rail.
I'm guessing you've probably not seen it before since you modded your's so I'll link it here. If you did know about it already at least now it's there for anyone fallowing your awesome build.

Can wait to see what you put down with this setup, i'll basically the same setup but on an F22A block.


BTW, how is your IACV run? I want to use the H22 skunk2 manifold, I see yours mounted to a plate there but how does it work? id love to know.

[jdm92_accorn]

It has two adapters and two hoses running from the manifold to the valve. If the camshaft comes in before Friday I should be up and running by next wednesday or so. By the way that rail still uses the adapters. The only.thing I had to mod on the rail is I drilled the mounting tabs out to slide further down the studs.

[keepinitclean]

SOOOOOOOOOOOOOOO JEALOUS of your engine work. Looks amazing! Keep it up!!!