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RC Injectors, who has em?

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civic619

20+ Year Contributor
150
1
Feb 17, 2003
I wanted to get some responses from people using RC injectors.

I am currently using FIC's but having a hard time tuning them as it doesnt stay consistent ( long story )

Just want to find out how the RC's compare to Denso's as far as quality, reliability, and performance. Could anyone shed some light as I am planning on purchasing a set soon.
 
I'm using RC 550's, not sure what size your looking at though. I love them, no problems tuning is great and I've never had any of the problems that you list. As far as compared to Denso's I've never used them on my Talon but they probably compare pretty well, I think the RC injectors are very good quality.
 
I know they just came out with some 750cc injectors which I might be considering. There is a set online for a good price and was just wondering how people were doing with their RC injectors. Thanks for the reply.
 
civic619 said:
I know they just came out with some 750cc injectors which I might be considering. There is a set online for a good price and was just wondering how people were doing with their RC injectors. Thanks for the reply.
I just got the 750's off their Ebay sales thing. They lok real nice. I cannot speak for muych else because my motor is still on the stand waiting for a water pump to come in... OMG :( :talon:

But yeah I will be REAL busy this weekend, dropping in that motor, installing/mounting the Data logger, my guage faces, SAFCII, and a few other things...
 
I got delphi 850cc injectors from Fuel Injector Clinic will let you know how they performc
 
good luck on those delphi FIC, from my experience, they suck. My only two options are Denso or RC. Denso is pricy but good qaulity. RC are pretty much up there as well. I have heard great things about RC but the new 750cc are fresh from RC so I dont know what to expect. Im more concerned about if anyone here had issues tuning with RC injectors.
 
I have a set of RC 550ccs that I can sell you, never been used. I use 750cc FIC and am happy as can be with them.
 
i had delphi's from fic. they SUCK. and fic dont give a rats ass, once they got your money, it's adios, suckah. i had 2 sets of rc's cleaned and flowed, both sets were bad. at least 1 injector could easily shoot cleaner clear across the room. nice, teeny little streams, 6 of them. can you say hydrolock? i had denso 550's(from an rx7) that worked excellent. i then went to a set of evo 6 560's, which were either denso or nippon injector, they were also excellent. i now have denso 660's, which are excellent. matter of fact, i had a keydiver chip for the fic's(which have a HUGE dead time, and they rate flow at like 60 psi, when the industry standard is 3 bar-43.5 psi) and the fic's were inconsistent. put in the denso's, everything got WAY better, even with the chip for the fic's. denso's are more expensive, that is why everyone is going to the pos delphis, more profit. it's like motorcycles. you got a 29.99 head, get a 29.99 helmet. you got a pos motor, get pos injectors. oh, and i got the fic's BRAND NEW. every other set of injectors i have cleaned and flowed BEFORE they go in my motor. and i ALWAYS use new seals.
 
Yeah, yeah, brought back from the dead..


I too am looking into the RC 750cc injectors. My 550's were great and the FIC 650's SUCK at idle. I'm just looking for some feedback on the bigger RC's.

Hey boosted, did you get your car back together yet?
 
I've used the same RC 550's for the last 3 years with NO problems... As a matter of fact, I even bought 'em used off of Ebay. I highly recommend 'em and wouldn't use anything else.
 
i have a set of 750cc rc's in my car right now i bouight them off of ebay and they were pretty nice. i am currently on the 14b, so they are an overkill, but i am thinking of upgrading soon to a bigger turbo. i use a stage 3 chip and maft to tune along with pocket logger. so if you are thinking of getting them, go ahead they work just fine for me and they seem to be constant. the guy from ebay sends you a flow chart for each injector and everything. but when you switch out your stock or aftermarket injectors remember to replace your injector o-rings. he provides you witht he ones that hook up to the fuel rail, but you have to get new ones the go into the intake manifold. overall a good buy, a bit pricey, but wont have to upgrade them for a long time, i hope...
 
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