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rtek 1.7 or hks fcd
i have a 87 turbo want more boost so what would be better.. to send my ecu off to rtek and have them put a chip in or just buy a fcd ?
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How much more boost?
What are the modifications done to the car so far? john ny |
RTEK 1.7 if you have the upgraded injectors. More expensive though.
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FCD without supporting mods is a bad idea.
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Rtek 1.5 with stock injectors. FCDs fool the ECU with fake pressure data. No thanks.
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i have 255 fuel pump and bigger injectors on the way....and not much higher i really only want 15 psi for right now
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wat size injectors?
if it more than 720cc secondarys you be fine with the rtek7 1.7 |
bro... seriously stop.... microtech, find it anywhere on the forum for avrg. $500 used lt8 and a STABLE fuel system, not just a 255 and injectors will cut it, you'll need proper plumbing and a fpr as well. dont bug the ecu unless you in FACT know how to run electronics (or at all). iv worked on many fuck ups and had to trouble shoot idiots cars who "know" how things work... just a tip and fair warning bro. research your ass off there is many other options at lower costs and maybe safer to mod a rotary for more boost.
another thing iv delt with rtek and seriously its trash. your better off with a safc, walbro, fpr, upgraded plumbing and 850 cc 2nd's injectors, its more flexible when you start to add on to your set up. take it as you wish, iv seen, built, researched and delt with many set ups. ALL JUST A PERSONAL OPINION. |
Remember the FCD screws up the stock boost gauge. Thats not a big deal but it is annoying. I say get the rtek. Run it for whatever injectors you have now, then for $15 get a new chip IF you need to change to the other injectors.
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How are you going to handle getting more fuel it the engine @15 psi?
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Are you still running your stock turbo? What are your power goals? Or do you not care and just want to boost 15psi?
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Originally Posted by ( ^ ) <-_-> ( ^ )
(Post 9581345)
bro... seriously stop.... microtech, find it anywhere on the forum for avrg. $500 used lt8 and a STABLE fuel system, not just a 255 and injectors will cut it, you'll need proper plumbing and a fpr as well. dont bug the ecu unless you in FACT know how to run electronics (or at all). iv worked on many fuck ups and had to trouble shoot idiots cars who "know" how things work... just a tip and fair warning bro. research your ass off there is many other options at lower costs and maybe safer to mod a rotary for more boost.
another thing iv delt with rtek and seriously its trash. your better off with a safc, walbro, fpr, upgraded plumbing and 850 cc 2nd's injectors, its more flexible when you start to add on to your set up. take it as you wish, iv seen, built, researched and delt with many set ups. ALL JUST A PERSONAL OPINION. |
i have power goals.. i would like to have around 450hp.. and i oder 720cc injecters ...all i really have done is new suspension and lowered walbro 255 pump front mount on the way . and planin on sending the motor off to get it rebuilt and sp
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You still didn't say how you plan to controll more fuel. The 1.x series of Rtek just keep the stock levels with the different size injectors. You will still need to us a SAFC or simmiler to tune or you will still run rich.
If you have an SAFC already, great. If not i strongly suggest looking into the Rtek 2.x series (unless it;s an S5 in which case you are boned) or as stated above some other controler. 15psi+no way to control fuel =BANG! Rebuild |
it a s4 block with s5 internals and safc i dont have it but will look in it
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also do you have a S4 turbo or a S5 turbo also is it ported? If not you might creep/ will creep.
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Rtek 1.7 does NOT change the fuel map
you will STILL run lean even with the 1.7, if you dont have an actual way of changing the fuel map either get the rtek 2.x or a fuel pump, fcd, and a f-con or equiv if you are sticking with the stock turbo - the easiest way is just get a f-con and a fcd. You have a pretuned safe map, an amount of adjustability to the map, a gcc can be had for 100 more and you wil have full tunability, not to mention f-con with fcd are only around 150. it will be much safer than the rtek - as rtek 1.x have no control over the fuel map. And dont bother with safc or any of that crap. unless you have a wideband and hours of tuning it, or have access to a dyno, it is completely useless with a fancy display. |
I am running the R-Tek 1.7, and they do change the fuel and timing. I am very happy with the R-tek. At full boost, wide open throttle, my air/fuel stays in the low 12s. You can't go over 14.7 psi on the stock map sensor though. To reach 400 plus, you'll never reach that with the stock turbo. I am running a T04E at 14 psi with the R-Tek, and I am barely over 300 rwhp. You need to do a little more research on what it actually takes to reach that kind of hp. You will never do it on the stock apex seals either.
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yea im still runnin stock turbo ... and since there so many opinions what about the rtek 2.1 it have everything in it.
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bad 83 ,,wats your secondary injectors? if u dont mind telling
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and f-con they dont make the contectors for my model and ..that would be better than rtek?
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You have an 87.
Get an Rtek 2.0, end of story. |
yea, since you are an S4, you might as well get the Rtek 2.1
Im still waiting for a stage 2 for the s5 :( |
Originally Posted by mario1386
(Post 9583770)
bad 83 ,,wats your secondary injectors? if u dont mind telling
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how bout 750 s secondards . with fcd.................and no rtek or fc .?????mods . 3 inch turbo back, no silincer. 12 psi. 1st thur. 3 rd . 14 4th and 5 th .thanks :}plz help!
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o ya . i can only afford 1.7 / they said i would stiill need fc . becuz 1.7 dosent regulate secondarys .but bad 83 says yes it does.i do not want to run lean. and i do have 255 pump.and 2. 750 s in mail .
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Save until you get enough.
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720cc on secondaries with no way to tune it is going to run pig rich when the secondaries run.
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Bottom line, the 1.x series will probably need some way to control the fuel.
the 1.5 is for 550x4 the 1.7 is for 550x2+720x2 the 1.8 if for 720x4 this will pulse the injectors at a rate to make it flow at stock fuel levels. the 1.7and 1.8s DO NOT raise the amount of fuel delivered to your engine they just make the bigger ones flow the same as stock. If you plan on delivering more fuel then stock you WILL NEED a fuel controller. (safc, emanage etc) ALL MODLES OF THE RTEK HAVE A FCD!!!!!!!!!!!!!! If you have any doubts go here, http://digitaltuning.com/index.php?p...age=1&ecu=S4T2 I hope this clears up any confusion |
2.1 it is ........ wife gonna kill me....scare s #@#@ out of her . and broke .o no
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Originally Posted by AUGieDogie
(Post 9591848)
this will pulse the injectors at a rate to make it flow at stock fuel levels.
the 1.7and 1.8s DO NOT raise the amount of fuel delivered to your engine they just make the bigger ones flow the same as stock. If you plan on delivering more fuel then stock you WILL NEED a fuel controller. (safc, emanage etc) |
Originally Posted by KhanArtisT
(Post 9594297)
Right, but since fuel is relative to boost pressure wouldn't the ECU pulse the injectors to provide enough fuel for the elevated boost level the car is running?
Hmmm, I think I'll go ask that in the Rtek section. I know it retards the timing above10(?)psi. And for the O P the 2.1 will be an excellent choice, run whatever injectors you have now, then upgrade them as needed and then just edit with pocketlogger. Remember to be good until you get a wideband. The Plx one is like $100 bucks, it doesn't have an external gauge, but you can buy one. But its great because you can just plug it right in to your Rtek and read and log AFRs that way. |
i think ill try 1.7 and turn b c. back down to 10 ish in 3 rd / 8 ish in 2 nd /150 k on engine . then i can by food this month 4 the family . ill upgrade later if needed. speed limits 35 in most places;:} thanks alot .i let u no.................10mm
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just from looking at the pictures on the site that looks just like a socket and chip used for chipping honda ecus. . are they the same?
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Originally Posted by KhanArtisT
(Post 9594297)
Right, but since fuel is relative to boost pressure wouldn't the ECU pulse the injectors to provide enough fuel for the elevated boost level the car is running?
no on the stock ecu, fuel is managed by the afm pressure sensor does timing you "fix" the timing with the rtek but you do not fix the fuel the dude who claim he does 300whp with a rtek 1.7 and walbro is an idiot dont listen to him he is bad for you listen to eminem it is better for you let your kids listen to him that is better for your whole family even for your mother if a retard claims rtek changes the fuel map... i guess he thinks he knows better than pocketlogger, the company that built, designed, and sells the rtek... get real supporting mods, or don't modify it... at all.
Originally Posted by bad 83
(Post 9582946)
I am running the R-Tek 1.7, and they do change the fuel and timing. I am very happy with the R-tek. At full boost, wide open throttle, my air/fuel stays in the low 12s. You can't go over 14.7 psi on the stock map sensor though. To reach 400 plus, you'll never reach that with the stock turbo. I am running a T04E at 14 psi with the R-Tek, and I am barely over 300 rwhp. You need to do a little more research on what it actually takes to reach that kind of hp. You will never do it on the stock apex seals either.
stock apex seals can't do 300wheel? rtek changing fuel? claiming you do 14psi on a t04e on a stock fuel system? inability to differentiate the different types of T04Es? Your statement is as retarded as saying that you can run 800hp on gasoline. Hell, if you are *so* sure your setup is safe... Run it in overdrive at WOT up a hill.... I will do the same in mine... and I will gladly use MY tow cables to get you to the top of the hill half way thru it. After all, like all americans, I have sympathy for people with mental challenges... |
pocket logger said .the 1.7 will compensate for the 750 s ...witch i hope is penty of fuel .with 255 pump to run 11 psi.........10mm
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by compensate, it means that it will lower fuel flow on the 750's so it acts like stock 550's. You also have no other fuel adjustment, so I hope the stock map with 750's and walbro's will be enough.
As another side effect, expect gas mileage to suffer as well. If you're worried about cost, you realize that this way will be cheaper now, but more expensive over the long run? |
why would you need 750 s .then? and are sayin the 2. 1 gives u better mpg??if not enough fuel ill get 2. 1 or a safc. thx "}10mm
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Originally Posted by barney1omm
(Post 9598724)
why would you need 750 s .then? and are sayin the 2. 1 gives u better mpg??if not enough fuel ill get 2. 1 or a safc. thx "}10mm
The reason for running the 720s is so you can compensate WITH another device, SAFC, E manage ETC. |
Barney (i hope 10mm is a caliber)
If you don't have anything else right now. ie now 720, no safc, or the like. Get the 2.1. You will have an FCD built in. Usining stock injectors you can ramp up the amount of fuel you have and your car will run quite well. I ran 10psi on my 87 stock turbo, RB full exhaust, and it ran just fine with the stock 550s. Later you can upgrade secondarys to 720s for a little "safty" and then the primaries, etc. |
Originally Posted by *prillaman*
(Post 9581191)
i have 255 fuel pump and bigger injectors on the way....and not much higher i really only want 15 psi for right now
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i have 12 psi now and want higher but 15 will work man i didnt think that would be a problem
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Originally Posted by barney1omm
(Post 9598724)
why would you need 750 s .then? and are sayin the 2. 1 gives u better mpg??if not enough fuel ill get 2. 1 or a safc. thx "}10mm
You swap the ECU with the stock ECU, then you bring your car to a dyno or street tuner and have them adjust the fuel and timing maps on the ECU. This is what happens when you buy an Rtek 1.5, 1.7 or 1.8 You swap the ECU with the stock ECU. That's it, there's no tuning because the chip is not adjustable. This is not very optimal. FURTHERMORE, if you buy the 1.7 or 1.8 and have 720's in the injectors, the Rtek will make the 720's flow like 550's. You cannot change this. You need to buy another sort of fuel controller like an S-AFC or something, which is even more money. If you have not bought anything, buy the Rtek 2.0 or 2.1 for the S4 TII. You will save yourself a lot of headaches. But if you don't want to listen to us, it's your money and your car. I think we've made the differences between the ECU pretty clear by now. |
if you dont have the money for microtech or haltek go with the rtek 1.7 or 1.8 im running that set up for now and im boosting at 15psi with no issues i also recomend going to pocketlogger.com and do research so that you can have the right set up.....its decent for the money...and then later on when you want more out of your car get a haltek...right now there is a rotary specific haltek just plug and play for our cars im going to get it pretty soon
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yes i have a. s and w 10 mm stainless ............is there alot of diff. between 12 and 15 psi. on hp??also roen.... smokie says his running great,,, but is he getting npenty of fuel????????????????????????????//wind ban????checkout>????
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Running decently and running optimally are two different things. You can make the same amount of power in both situations, but the car that's running decently will be eating a lot more gas than the car that's running optimally.
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Originally Posted by slpin
(Post 9596608)
no
on the stock ecu, fuel is managed by the afm pressure sensor does timing you "fix" the timing with the rtek but you do not fix the fuel the dude who claim he does 300whp with a rtek 1.7 and walbro is an idiot dont listen to him he is bad for you listen to eminem it is better for you let your kids listen to him that is better for your whole family even for your mother if a retard claims rtek changes the fuel map... i guess he thinks he knows better than pocketlogger, the company that built, designed, and sells the rtek... get real supporting mods, or don't modify it... at all. yes. you are an idiot and i am calling you out. stock apex seals can't do 300wheel? rtek changing fuel? claiming you do 14psi on a t04e on a stock fuel system? inability to differentiate the different types of T04Es? Your statement is as retarded as saying that you can run 800hp on gasoline. Hell, if you are *so* sure your setup is safe... Run it in overdrive at WOT up a hill.... I will do the same in mine... and I will gladly use MY tow cables to get you to the top of the hill half way thru it. After all, like all americans, I have sympathy for people with mental challenges... That's truly runny. You double talked yourself three times in that statement, and your calling me the idiot? Funny, real funny. BTW, I have been SAFELY running my setup for 2 1/2 years. It has been driven through 5 states. But, apparently you know my car better than RotorSports Racing. I tell Bryan some punk in Cali knows better than him. I mean he's only been building and tuning Rotarys since 1983. What do I know? |
i was thinking the same thing what a dick:jerkit:
Originally Posted by bad 83
(Post 9601344)
That's truly runny. You double talked yourself three times in that statement, and your calling me the idiot? Funny, real funny. BTW, I have been SAFELY running my setup for 2 1/2 years. It has been driven through 5 states. But, apparently you know my car better than RotorSports Racing. I tell Bryan some punk in Cali knows better than him. I mean he's only been building and tuning Rotarys since 1983. What do I know?
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Originally Posted by barney1omm
(Post 9600965)
yes i have a. s and w 10 mm stainless ............is there alot of diff. between 12 and 15 psi. on hp??also roen.... smokie says his running great,,, but is he getting npenty of fuel????????????????????????????//wind ban????checkout>????
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i got my intak off , to put injectors in,should i port .or just clean up real good .light bore ???
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