RC Injectors-How big to go?

system · February 8, 2002, 4:57am

I am going to put the sqeeze on my teg, and was going to upgrade the fuel system first. I believe that I’ve read on one of the fuel upgrade posts that the stock injectors are 240cc. I talked to RC and they said that the biggest I could run is a 320cc but didn’t sound certain that it would actually idle. I’d like the biggest injectors possible. What are you guys running and what would you suggest that I run?

My car has the standard IHE mods and is internally stock.

Thanks,

T93SE

system · February 9, 2002, 12:05pm

depends on what you for your motor… if u wanna stay with what u have now… stock is fine… just get em cleaned and balanced. and maybe add a fuel pressure regulator. but stock is fine for what u have.

system · February 9, 2002, 2:28pm

You can balance a fuel injector? Anyway, if you want to be on the safe side. Get 270cc or 300cc injectors and get an S-AFC. You can tune the amount of fuel your engine gets so you know it’s getting the right amount.

Eric · February 9, 2002, 5:21pm

Balancing meaning not in terms of weight… but in thems of % difference of flow varying in each injector.

AMERICAN · February 10, 2002, 3:47am

You should run the RC 310s I have for sale at $280 shipped.
2000 miles old, with box, seals, and instructions.

system · February 10, 2002, 4:05am

Thanks for the replies everyone. I had thought about cleaning and balancing but I would feel safer with new, higher flowing units.

Amerikan, why are you getting rid of your RC injectors? Does the car not run properly with them?

T93SE

AMERICAN · February 10, 2002, 4:07am

My car ran awesome with them. I am running more boost with my next project and I need to buy bigger injectors, that’s all.

system · February 10, 2002, 4:21am

now he is just “running” w/ the heel toe express.

that was a low blow :shock:

AMERICAN · February 10, 2002, 4:22am

Originally posted by 92GS-R
[B]now he is just “running” w/ the heel toe express.

that was a low blow :shock: [/B]

That little spot of red on your avatar is blood:mad:

system · February 11, 2002, 12:19am

Thanks again John. If you still have the injectors in a month or so I may contact you.

NC-B17A · February 11, 2002, 8:09pm

Originally posted by 92GS-R
now he is just “running” w/ the heel toe express.
:lol:

system · February 13, 2002, 12:28am

If your gonna put the squeeze on it, I’d go with like 270s at the most… 310s are a little big for NA with N20 occasionally… With some 270s you should be able to get a FPR and ride OK…

system · February 13, 2002, 1:36am

Drag On,

Why not the 310s? Do you think I would have problems with idling? Also, is the FPR necessary with larger injectors and nitrous?

Thanks

system · February 13, 2002, 2:18am

Originally posted by T93SE
[B]Drag On,

Why not the 310s? Do you think I would have problems with idling? Also, is the FPR necessary with larger injectors and nitrous?

Thanks [/B]

Some people are OK with 310s but I’ve heard a lot of RICH runinng, flooding type situations without at LEAST an AFC. I’d say go with like 270’s for ease of tuning, lack of richness-flood type etc… 270s should be OK with the amount of N20 you can put on a stock bottom end. You can only run about ~70 shot on stock bottom end without the right tuning/fuel/ignition… And you should be safe with the 270s or similar for that… After that much N20 you’ll need tuning to keep your motor legit… Hope this helps a little…

system · February 13, 2002, 3:13am

Drag On,

So 310s may run a bit too rich without electronic fuel control. What about an FPR, is this absolutely necessary with the 270s? It seems that everyone I know with an FPR is running too rich, especially if they have larger injectors.