Which Engine Management system to use?

Aeroguy315 · Apr 21, 2004

ok i have a 1995 gt, it has an e303 cam, trickflow heads and intake, tremmec 3550, 3.73 gears, pro 5.0 and blah blah blah, my question is, which system to go with the PMS or the tweecer? or is there anything better out there? i want my car to idle perfect, right now it idles fine but after waiting at a red light for a minute or 2 it starts to drop and surge a little. basicly will this fix my problem? and which kit should i get? prices isnt really a factor but i dont want spend more than $1300. please someone who knows alot about eec's let me know whats up or someone who has either set up put your 2 cents in as well.

Joes95GT · Apr 21, 2004

Most buy the TwEECer because it's cheaper. The PMS runs about 8-hundered and something, but is well worth it in my opinion because it's much easier to use. I don't know the pros and cons of each, so I'm subscribing to this thread too.

Joe

Numbles · Apr 21, 2004

Subscribing as well. Im looking into both and think the PMS is the route to go. Go to AFM's website and download the new instruction manual for it. Its is very straight forward and easy to use. Although I do like the fact that the tweecer has a group on yahoo for help tuning.

Rootus · Apr 21, 2004

I have a TwEECer. I'm very happy with it. I think it is very easy to use, although I have heard some people complain, so that may be a matter of perspective.

Dave

Joes95GT · Apr 21, 2004

HairyCanary said:
I have a TwEECer. I'm very happy with it. I think it is very easy to use, although I have heard some people complain, so that may be a matter of perspective.

Dave

I was watching a guy mess around with his RT and it seemed semi simple to use. I think it's more of getting the hang of it, and once you've done that, then your good. If I did get the TwEECer, I would probably have to ride the TwEECer short bus for a while.

Joe

BlueDevil95 · Apr 21, 2004

i'll get lynched for this, but i'm running a stock a9L in my car with the PIH kit. i love it, no idle problems whatsoever and we have the same setup. i pieced mine together for about $400 and you can still run the pms or tweecer later if you wanted.

BlackVert · Apr 21, 2004

i just bought tweecer rt. it is definately cheaper. i'm no tuning exert. with either product, i expect to have a significant learning curve, but i want to really understand what is going on. so i'm ready for it.

plus, i'm a software developer, and my intuition is making me believe that the tweecer software architecture is a little more open than the pms architecture. so if i come across a UI tool i want to provide, i am guessing i will be able to implement it with tweecer.

Rootus · Apr 21, 2004

BlueDevil95 said:
i'll get lynched for this, but i'm running a stock a9L in my car with the PIH kit. i love it, no idle problems whatsoever and we have the same setup. i pieced mine together for about $400 and you can still run the pms or tweecer later if you wanted.

The downside to converting to A9L as I see it is that you still end up with a stock EEC, which is untunable. So it will have better idle quality -- the same thing could be achieved for less money by swapping in 24# injectors and a 94/95 Cobra computer. You would still need a tuning device to set the timing & fuel curves for the A9L.

Dave

final5-0 · Apr 21, 2004

I use the Tweecer and it has worked quite well for me.

I'm using the stock T4m0 pcm with a J4J1 cal file that I loaded into it which basically makes it a Cobra pcm.

I have posted my findings and results several times over here and the Corral if you wish to take a look.

I've had no probs getting help from either Tweecer site when I have asked for it.

Later
Grady

VIPERn94Five-0 · Apr 21, 2004

this is what you need....

http://www.coximport.com/store/30-1401

Anthony

BlueDevil95 · Apr 21, 2004

HairyCanary said:
The downside to converting to A9L as I see it is that you still end up with a stock EEC, which is untunable. So it will have better idle quality -- the same thing could be achieved for less money by swapping in 24# injectors and a 94/95 Cobra computer. You would still need a tuning device to set the timing & fuel curves for the A9L.

Dave

this is true, but like i said, you can still do the tweecer or pms later. i've been lucky with my car that i have ZERO idle or drivability problems. i most likely would benefit from a tuneable computer setup, especially on the squeeze, but i have not had any problems so i figure why bother at this point when there are still other things i could do with the money that would be of a greater benefit to my car. the pih has always been more of a band aid than a real fix, but it works and is dead reliable.

Redsnk95 · Apr 21, 2004

Go with the PMS, it is simple and it works, plain and simple. And if your worried about getting help, I have a message board that has about 500 PMS users and has a ton of support from AFM. I've used the TwEECer and the PMS...and for me the PMS is mucho better.
www.stangtuning.com

Troy

Rootus · Apr 21, 2004

BlueDevil95 said:
this is true, but like i said, you can still do the tweecer or pms later.

I like to spend my money once, and be done with it. The PIH retails for a lot more than a TwEECer. You can cobble something together for slightly less than a TwEECer, but if you are planning any serious mods you'll end up having to fork out the money eventually. So it's either $550 now, or $400 now and $550 later.

Dave

Zero Signal · Apr 21, 2004

I vote TwEECer R/T . . .in fact, I just ordered one 2 minutes ago

GTPhreak · Apr 21, 2004

VIPERn94Five-0 said:
this is what you need....

http://www.coximport.com/store/30-1401

Anthony

Didn't even click the link, but heck yeah the AEM EMS is freakin SWEET! (haha yeah i already know thats the p/n for our cars)

BlackVert · Apr 21, 2004

if you decide on the tweecer, get the r/t because that gives you logging of what is going on while the engine is running. that will be very useful to fine tune everything.

rel3rd · Apr 21, 2004

I'm a big fan of the PMS unit.
Simple to use...No laptop needed, and it works.
I have the new version in my 94 GT and was able to ELIMINATE all the idle and cold starting BS that even FordChip couldn't fix...

Like Redsnake95 said above, there's tons of good info and help at his site.

Nobody · Apr 21, 2004

If you're commited to one combo then wouldn't a dyno tuned chip be a good cost effective option? I'd like to go with something that I can plug in and not mess with. I'd do the A9l but the PIH is outrageous. I'd consider a cheap Speedbrain since that is an A9l at its core and there is no need for the harness adapter.

GTPhreak · Apr 21, 2004

I know quite a few people who have popped their motors due to PMS units so that kind of steers me away from that. When I happen to come across about 1500 all at once I am going complete standalone with the AEM EMS. I'm not convinced on dynotunes either. the rollers simulate a load, but not the load that the car is under while on the streets/track.

rel3rd · Apr 21, 2004

GTPhreak said:
I know quite a few people who have popped their motors due to PMS units so that kind of steers me away from that.

Not to start a war here, but you definitely do NOT know quite a few people who have "popped motors due to PMS units"...That is absurd and a totally bogus statement and I am 100% sure that you do not have any facts to back it up. In fact, it's comparable to making other blanket statements like "nitrous blows up engines", or something along that line.

People don't blow their engines because of what they used to tune it, or what type of power adder they choose...they do, however, blow engines due to improper tuning, or overly aggressive tuning, and that can and does happen regardless of who's device you choose to use...whether it be a $1500 standalone setup, or a $300 chip...

If you do happen to know a person who blew his engine and used a PMS for tuning, you would also know that the PMS isn't what blew the engine, the person who "tuned" the PMS blew it up...

I'm not trying to be an ass, but your statement is ridiculous and anyone with even the slightest inkling of mechanical knowledge will see that as well. I mean, if you put that high dollar stand alone system on your car, and you have no idea what you are doing as far as tuning goes, will you be the type who says that the system is junk because you didn't know how to use it? Or if you blow a head gasket due to improper tuning, will it be the devices fault...or yours? That's my point...

Sorry to be so blunt, but someone who doesn't know any better may read your statement and think it's true...when it isn't.
FWIW, I agree with you on the dyno issue. I used one Saturday to tune my car, but mainly just for the real time a/f ratio numbers...

Which Engine Management system to use?

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