Single Turbo RX-7's Questions about all aspects of single turbo setups.

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Old 10-16-01, 01:36 PM
  #76  
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Elevation changes shouldn't be a problem for the PFC. Elevation doesn't change the VE, so all that matters is the manf. pressure.

Crispeed- most people don't want to rewire their car. The PFC is plug and play. Unless you're using race gas the 17.5psi limit is not a problem. If I didn't have to smog my car every couple years I may very well have gone with a Haltech

I would think you could use any MAP sensor that puts out a voltage in the correct range for the PFC (0-5v). You shouldn't need to use the Apex boost kit.

Even if the Apex extended boost range sensor is inaccurate it shouldn't matter, as long as its consistant. The bigger problem is that according to Jason, the kit is no longer available.
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Old 10-16-01, 01:59 PM
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Is it possiable to have the haltech and still be street legal?? I really like the data loggin and the ability to change on the fly. But i heard that it is not smog friendly. Oh and can someone tell me bout the turbo setup that i mentioned eariier?? Well first what is the o,p,q trims? Different blades? And is a T-66 with a 1.15 A/R BB a good setup??
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Old 10-16-01, 03:31 PM
  #78  
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Since almost everyone here seems to not know about the Haltech E6K and its features/flaws I will give a basic rundown of them.

As far as smog goes, you can pass CA emissions smog 2 testing if you retain a cat and airpump. The E6K can control the airpump in the same way that the stock ECU controls it, by turning it on and off at ~3500RPM.

The E6K has an internal barometric sensor along with an option to have an external one added on, this is for elevation compensation in maps.

You can use the stock sensors and stock wiring for the E6K if you so chose , the wiring is on my site if you chose to go that route. Even if you pull the main engine harness the wiring helps with finding the correct wires (it helped me when I redid my wiring).

The E6K will also control the stock sequential twins which I know of three people on this list that have done it (mainly Red-RX7).

The E6K allows you to control when the radiator fans come on at (ie 185F).

You can also use the idle stepper motor (AKA Bypass Air Control) to maintain a steady idle while the A/C is on (yes, the Haltech can control the A/C properly).

Whatever injectors you put in, you do not need resistors or whatever it is people put in when they go to 160lb injectors on other ECUs. The E6K controls any size injector you put in.

The E6K also just like the P-FC uses the stock CAS, igntion without any extra parts. Some people believe you need the MSD 8509s to run the stock igntion, this is not correct. The E6K has internal reluctors and they work with the FD ignition signal.

Datalogging is a big plus if there is ever something wrong. You can datalog it and show it to others to have them help trouble shoot if you cannot solve the problem.

The one thing the P-FC will do that the E6K will never do is the MOP. So when you fill up with fuel you have to dump a bottle of premix in.

The Haltech will run you under $1500 retail delivered inside the USA with everything you need.

If I missed mentioning something, or there is something that someone believes the P-FC does and the Haltech doesn't please post and I can let you know how to do it. I know there are many other features the E6K has that I did not list, but these are the basic things that have been mentioned in this thread.
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Old 10-16-01, 03:34 PM
  #79  
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Sorry for taking so long to post, I started before lunch then left for a meeting.

I have a T-66 equivalent with a divided P1.15 A/R. Although I haven't driven it with it on my car yet I use my car on the street, along with OT events and embarrassing Camaros at the strip.

There should be a couple people on this forum that have access to Tial products. If not let me know and I can put you in touch with someone that can.

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Old 10-16-01, 05:12 PM
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Just got my pics on the computer ......my little collection of go fast goodies With a little bling bling thrown in for good measure...
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Old 10-16-01, 06:07 PM
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A lot of shiney parts

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Old 10-17-01, 05:42 PM
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Controlling the MOP 1/3 is what people believe happens when there is no signal to the MOP. I do not understand were people got this from, although I have not thoroughly loooked through the manual.

The Haltech does not control the MOP at all. If the MOP is injecting oil at all it is on its own from a seperate controller that would have to be inline of the stock ECU and the MOP unit that is mounted on the front housing.

So the P-FC doesn't control the MOP, what is the point of buying one then.

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Old 10-17-01, 05:47 PM
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Thumbs down

Originally posted by wankawankel
The Apexi PFC doesn't have the capabilities to control the OMP 100%. Non of the stand alones do. The Haltech controls 1/3 of the stock duty on the OMP. The Apexi PFC also pushes 1/3. If I knew that that was the case, I would have went Haltech instead of the Apexi PFC. The Apexi PFC costs just as much as the complete Haltech unit. For the people that haven't had the pleasure of getting ripped off, go Haltech, it's worth the wait on installation.
I think my Power FC was the best purchase I've made for my R1.

I have yet to see you make a relevant or meaningful post, only piles and piles of bullshit.

Here it comes....
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Old 10-17-01, 05:59 PM
  #85  
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why do you always end your posts with ? jk
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Old 10-17-01, 06:30 PM
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Originally posted by GoodfellaFD3S


I think my Power FC was the best purchase I've made for my R1.

I have yet to see you make a relevant or meaningful post, only piles and piles of bullshit.

Here it comes....
Think about it.. If the PFC is the same price as the Haltech then its just stupid to buy the PFC. The haltech has more features, datalogging, and adjust on the fly. The only disavantage is that the Haltech isnt "Plug and Play". And you can control basically anything that you want. The PFC requires you to put in resitors to control 1600 sec.
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Old 10-17-01, 08:01 PM
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People need to get off Haltech's dick!, I haven't seen anyone in Japan use a Haltech for anything other than looking at it like an Atari 2600, I know that for a complete RACE car Haltech is the way to go due to the economic and simpleness of it, but in reality the ignition side of ANY Haltech unit is not as accurate as a Power FC, Tec 2, and Motec. Look at all the fast cars in PR, mostly everyone uses a Haltech F9, ever wonder why? because a ******' distributor has better firing accuracy than a Haltech ignition tigger plus it's more simple and cheaper. Yeah I know Ari uses a E6K, but like I said he has a RACE car. If you look at the
resolution on a E6K, it makes me laugh, a old Tec2 unit not only has better resolution, it's actually FASTER responding to changes than Haltech's "so called" 16 bit processor, look,if the entire unit
was supported by chips that can follow a 16 bit processor then it would be worth it, but since I know that it isn't it's like a bottleneck electronic system anyway. As far as fuel side of it,
the Haltech has a GREAT system as far as that goes. I'm tired of everyone saying Haltech this Haltech that, from most people that can't even tune their own cars. Learn specs and how things work before making comments. I know guys like Crispeed have used Haltechs to fly....oh but look it's a F9, like I said the igniter on ANY Haltech is SLOW and the resolution just plain sucks, BTW before anyone tries to argue with me about this, I have taken E6K's, Power FC's, and Tec2's and opened them and had my friend who owns a computer chip manufacturing company examine and look at how all these systems are made and work in conjunction with each other, so I'm just stating the facts, not any BS. You guys can take this as you want, I'm just tired of everyone thinking that Haltech is the only answer. Meanwhile guys in Japan use EVERYTHING else BUT Haltech and make more HP out of Rotaries than we can ever dream of.

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Old 10-17-01, 09:08 PM
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Originally posted by RX794
People need to get off Haltech's dick!, I haven't seen anyone in Japan use a Haltech for anything other than looking at it like an Atari 2600, I know that for a complete RACE car Haltech is the way to go due to the economic and simpleness of it, but in reality the ignition side of ANY Haltech unit is not as accurate as a Power FC, Tec 2, and Motec. Look at all the fast cars in PR, mostly everyone uses a Haltech F9, ever wonder why? because a ******' distributor has better firing accuracy than a Haltech ignition tigger plus it's more simple and cheaper. Yeah I know Ari uses a E6K, but like I said he has a RACE car. If you look at the
resolution on a E6K, it makes me laugh, a old Tec2 unit not only has better resolution, it's actually FASTER responding to changes than Haltech's "so called" 16 bit processor, look,if the entire unit
was supported by chips that can follow a 16 bit processor then it would be worth it, but since I know that it isn't it's like a bottleneck electronic system anyway. As far as fuel side of it,
the Haltech has a GREAT system as far as that goes. I'm tired of everyone saying Haltech this Haltech that, from most people that can't even tune their own cars. Learn specs and how things work before making comments. I know guys like Crispeed have used Haltechs to fly....oh but look it's a F9, like I said the igniter on ANY Haltech is SLOW and the resolution just plain sucks, BTW before anyone tries to argue with me about this, I have taken E6K's, Power FC's, and Tec2's and opened them and had my friend who owns a computer chip manufacturing company examine and look at how all these systems are made and work in conjunction with each other, so I'm just stating the facts, not any BS. You guys can take this as you want, I'm just tired of everyone thinking that Haltech is the only answer. Meanwhile guys in Japan use EVERYTHING else BUT Haltech and make more HP out of Rotaries than we can ever dream of.
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Old 10-18-01, 12:57 AM
  #89  
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Ouch! Bet that'll sting a little. That's gonna leave a mark! Sure is nice to see someone post something with some ooomph behind it.

Now let's see the Haltech guys give their argument......if there is one. Not that I'm taking sides really ......even though I have a PFC......just like to see a good debate. I've always kinda wondered why everyone is on the Haltech jock. I've never really heard of too many people using them until I came on the forum. Seems like everyone here says "use the Haltech"! Let's see what else I can learn........
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Old 10-18-01, 02:34 AM
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I'm in the middle of converting from PowerFC to Haltech. I'll give you honest opinion when I'm done. I got a good deal and I'm a sucker for something new so I decided to go for it. The fact that you can edit every engine parameter, have easy to use software, and have data logging is great. I am looking forward to the new software coming out that is all windows based. There are so many functions that are not available to the user on the PowerFC. Hopefully the hack will be done before too long so the PowerFC users out there can take full advantage of that really well made system. I also spend quite a bit of time in Dallas and with RP there it makes sense to go with Haltech if I need support or tuning help. I personally think using what you can get tuned or support for is really a good idea for most people. The only exception being stock ECU ... ditch that thing at all cost!!!
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Old 10-18-01, 02:37 AM
  #91  
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Oh yeah, I compare all of this Haltech is better than XYZ and Wolf is better than that to well .... PC is better than Mac and UNIX is better than them all. I will tell you one thing. I can do amazing things with any computer ..... and keep them from crashing where as some people just look at it and it crashes. Who is using the tool has lots to do with it as well.

There is an old software saying:

"Stupid program, smart user. Smart program, stupid user." So which are you going to design for?
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Old 10-18-01, 03:45 AM
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BTW, just one more note on the Power FC, the windows based program is in the US, and besides XS Engineering there are quite a few people in the US that have the Power Excel programs, the only thing is that it's in Japanease, so it's a little difficult, as far as dataloging and all that other BS, the Power FC can do all this with the Power Excel windows program, and it can actually show you a colored graph of the maps. So as far as there being any advantage, or things that you can do with a Haltech that you can't with a Power FC, that's BS as long as you have the Power Excel software which believe me will be available quite shortly, even if APEXi doesn't want to sell it, it WILL be copied by someone and WILL be distributed whether they like it or not. Because this whole industry is based on information, especially if it's free.
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Old 10-18-01, 04:05 AM
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ah ... I can hear the wind blowing ......
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Old 10-18-01, 08:41 AM
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the pfc runs the omp..im 98% shure of this, and without controll it runs @ 50% capiblity thats why you premix....
the only reason im goin haltec is b/c of havin to buy that goofy boost controll kit...even though i can get a deal and get pfc + boost controll for same price as full haltec - intsall

engines out might as well go all out
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Old 10-18-01, 11:33 AM
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Everyone has a friend that has some skill that can do everything in his or her field. You friend needs to come here and post instead of you getting your second hand information. You might be right, might be wrong, who knows, he does. Give us some technical data to review on why the ignitor is not good on the Haltech, although I use the RX-7 ignitor. All these great cars in Japan use P-FCs I have yet to see a drag car worth a darn from Japan. Every once in awhile I see posts about some car making big HP on the dyno, but very rarely see a car on the strip doing much. Yes I have seen some drag racing in Japan, but not much. I also see cars in Japan running without air filters on there turbo cars, does that mean that is the best way to do something?

Have you ever had a machinist go over a car and get his opinion of the car you drive? He will, without a doubt, tell you that you drive a big piece of scrap metal. Things are designed to meet the needs of the end user in a certain price range, and Haltech is the cheapest one out there (minus the PMS). Although if you have an electronics engineer open up any of the big three ECUs they will give the same opinion. I have actually heard of the ignition problem with the Haltechs before, but when someone says something online everyone seems to run with it, whether it true or not. Just last night I was talking with a shop that runs Wolf 3D systems in their cars. We started talking about the P-FC and they have been very disappointed in it since installing it in customer’s cars that are streetcars. They said the P-FC lack features and a remapped ECU was just easier and controlled everything as opposed to the P-FC, which could barely control fuel and spark right. I will talk to them this weekend if you would like and have them post here for you if you are interested.

The people that I know that run things other than Haltechs run them just because it was what the shop they dealt with uses. As long as you have good support for what you are using, it is not going to really matter what ECU it is you are using.


Yeah I know Ari uses an E6K, but like I said he has a RACEcar.


So a Haltech is good for a racecar, but not good for a streetcar. Wouldn’t ignition accuracy be more important on a racecar since you are trying to get every ounce of power out of it? This statement is very confusing to me and anyone else I imagine.

Although I believe 90% of the stand-alone ECU users should only have them tuned by a professional since they have no clue what they are doing. That doesn't stop them from spending there money and hoping they can get there car running decently. That is why a lot of people I see go with Haltech, there is good support and just like the PMS people pass there maps around fairly freely and give out what they can for help.

I have found very few people that are completely satisfied with there P-FC purchase after realizing it is not doing everything the stock ECU is supposed to do like people said. Hey I placed my order for a P-FC almost two years ago before it came out. I wanted one, but that was before I started researching things. I wish there was better support for the Motecs because that is my first choice. It all comes down to support, which is why everyone talks about Haltech.

Thank you all for your time, have a swell day,

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Old 10-18-01, 01:37 PM
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Originally posted by spyfish007
I also spend quite a bit of time in Dallas and with RP there
So when's the next time you'll be in Dallas, ya Rat Bastard?



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Old 10-18-01, 01:40 PM
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Originally posted by spyfish007
ah ... I can hear the wind blowing ......
That's what happens when there's nothing between your ears...



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Old 10-18-01, 02:02 PM
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actually I think I was hearing mindless words .....
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Old 10-18-01, 03:12 PM
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Like most others have said the main difference you'll see between them will probably be support. I have a PFC and will tell you it hasnt been very easy to find a shop that REALLY know how to use it.

Look at it like this.....

There are not very many rotory shops in the US that know how to REALLY tune them.

Out of the handfull of shops that know how to tune the rotory only a few of them REALLY know the PFC.

To super fine tune the PFC you need the XL software and only one ROTORY shop has the XL software which is XS engineering. This is according to XS as of 3 weeks ago. The XL program requires the Japanees version in windows and there are not very many US tuners that can read Japanees!!!!!

So what does all this mean, I sent my PFC to XS for tuning for $150 and I am very satisfied with it. The adjusted the fans to come one at 87C (188F) and thats a nice feature to keep the temps down. Having to send off for tuning isnt that big a deal for me because there isnt anyone within a 10 hour drive with a dyno that I would let tune my car!!!! People can still swap maps with the PFC, its not easy like the Haltech but you can do it.

In addition I like to be able to change my settings on the fly without a laptop.

They all have thier pros and cons and none of them are going to be the perfect choice for everyone. If there was a perfect choice for everyone there wouldnt be so many different systems out there!!!!

BTW - I have a questions about the OMP, if it comtrols 50% at idle does it ever change or just pump at the same rate all the time. As you climb to higher rpms does it pump more or stay the same? I would imagine its supposed to pumps more but how could that be possible with no ecu telling it to do so?????

Later,
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Old 10-18-01, 03:13 PM
  #100  
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Originally posted by Bacon
the pfc runs the omp..im 98% shure of this, and without controll it runs @ 50% capiblity thats why you premix....
the only reason im goin haltec is b/c of havin to buy that goofy boost controll kit...even though i can get a deal and get pfc + boost controll for same price as full haltec - intsall

engines out might as well go all out
I wish someone would test this. Anyone????

I have pulled my MOP off, so I have no way of testing it. Maybe I will go through the manual tonight and try and find some info.

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