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Getting a SAFC...how what where?

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DSMnOOb00

15+ Year Contributor
903
4
Apr 29, 2006
FRESNO, California
So im getting a Apexi SAFC, witch one is the one the to go with? I have a intercooler, with tail bov, apexi N1 exhaust system, PTE50 turbo, and getting some 750cc injectors... I hear the DSMlink is what I should be getting but the Safc is like half the price....

97gsx
 
An SAFC is a piggy back system. There are minimal functions that you can 'tune'.
I don't know what the DSMLink though. My guess is a Stand alone management? If so, by that instead.
 
Let me tell you from experience. I just ordered DSMlink.

I had an SAFC. Some will disagree, but if your looking to get something to tune with, go straight to DSMlink. I didn't and ended up paying for a SAFC which is over 200 bucks. Then a year later, you will see that your not getting the results you want with it and end up getting link anyway.

As a last resort, buy a used SAFC II.
 
Essentially it is all up to you. With an SAFC, you are tricking the computer that there is more or less airflow. This will affect your timing which could have negative effects on performance. There are two possible solutions to this issue.

One:
You could go to www.dsmchips.com and get a chip that is programmed for the size injectors your are running. These chips (from what I've heard) will get your fuel trims around 100% without any piggyback tuning. This means your timing will not be affected and you can use your SAFC to fine tune it. These chips also come with a load of other wonderful features that you can read on their website.

Two:
You could get DSMLink and pretty much have 100% control of your car. This is a little more involved as you will need to know how to use the software to get the full potential out of it. There are more options in your hand, but also more chances to blow up your car if you don't know what you're doing.

DSMChip + SAFC = $350
DSMLink = ~$800-$1,000 (plus you need a laptop)

Just my opinion, but hope it helps.
 
If you intend to get 750cc injectors then you should pick up dsmlink over an s-afc. I had an s-afc for about a year and then sold that and got dsmlink. The car idles a lot better now and it lets me adjust ignition timing among a slew of other things. If you still decide to go with the s-afc though check to make sure the s-afc can even handle 750 injectors because they have a limit.

S-afc's also aren't really plug and play they come with wires that have to splice into the ecu wiring harness. DSMlink is more much plug and play than s-afc. You just replace the ecu and plug a computer into your obd plug.

The last thing would be price...price is a huge difference but it is well worth it.
 
i was in the same predicament you were in, deciding what i should get for fine tunning and my results were as turbotaloon suggested either the DSMlink or a chip. I myself would go for the chip just because i dont really like to play around and tune things myself but really go with the chip or DSMlink dont think about anything else.
 
SAFC/logger tuning is utter crap. If you can afford link, get it. Besides, you have 750s which will require -40% base correction and the more you have to hide airflow with an SAFC the worse your tune. Generally speaking 650s are the largest you want to go with an SAFC and still get a halfway decent tune.
 
Essentially it is all up to you. With an SAFC, you are tricking the computer that there is more or less airflow. This will affect your timing which could have negative effects on performance. There are two possible solutions to this issue.

One:
You could go to www.dsmchips.com and get a chip that is programmed for the size injectors your are running. These chips (from what I've heard) will get your fuel trims around 100% without any piggyback tuning. This means your timing will not be affected and you can use your SAFC to fine tune it. These chips also come with a load of other wonderful features that you can read on their website.

Two:
You could get DSMLink and pretty much have 100% control of your car. This is a little more involved as you will need to know how to use the software to get the full potential out of it. There are more options in your hand, but also more chances to blow up your car if you don't know what you're doing.

DSMChip + SAFC = $350
DSMLink = ~$800-$1,000 (plus you need a laptop)

Just my opinion, but hope it helps.


I agree. If you're on a budget, get the DSMchip, it'll put you right where you need to be as far as fuel and timing maps for your injectors. Then use the SAFC for the fine tining. That way you're not relying only on the SAFC.
 
If you intend to get 750cc injectors then you should pick up dsmlink over an s-afc. I had an s-afc for about a year and then sold that and got dsmlink. The car idles a lot better now and it lets me adjust ignition timing among a slew of other things. If you still decide to go with the s-afc though check to make sure the s-afc can even handle 750 injectors because they have a limit.

S-afc's also aren't really plug and play they come with wires that have to splice into the ecu wiring harness. DSMlink is more much plug and play than s-afc. You just replace the ecu and plug a computer into your obd plug.

The last thing would be price...price is a huge difference but it is well worth it.

Without a chip, yea, 750's would screw up timing too much because it would make your car think it's running stupid lean. However, with DSMChip, you can run 750's and SAFC. Granted DSMLink will provide MORE tuning capability, the chip/safc combo is cheaper and more user friendly for us tuning noobs. But again, it's all about preference, goals, and knowledge.
 
Either go with DSMChip for DSMLink. SAFC isn't gonna work very well with those size of injectors.
 
Yea, I really dont want to mess too much with my car, I just got a PTE 50trim installed wit NO supporting mods installed yet.. I do have the apexiN1 system, intercooler w/ tail bov, and 255 fuel pump, all i need is injectors and the safc+chip to run my 50trim. all I want is to set it and forget it type thing... So I'm looking at the safc + chip option, its cheaper and It seems like it fits my needs... I see a 2 options for us 2g guys, witch one do you guys thinks will work best for me? so the safc neo is what i should be looking at?
 
Yea, I really dont want to mess too much with my car, I just got a PTE 50trim installed wit NO supporting mods installed yet.. I do have the apexiN1 system, intercooler w/ tail bov, and 255 fuel pump, all i need is injectors and the safc+chip to run my 50trim. all I want is to set it and forget it type thing... So I'm looking at the safc + chip option, its cheaper and It seems like it fits my needs... I see a 2 options for us 2g guys, witch one do you guys thinks will work best for me? so the safc neo is what i should be looking at?

just a reminder...I saw you had a 97. you will need a eprom ECU for the chip. you currently do not have an eprom ecu.
 
You will need to get an epromed ECU from Jeff and the chip already installed in it and I could recommend getting an SAFC2 because you will probably have to make very minor adjustments because not every car is the same. Save your money and don't get the NEO. The chip will do all your fuel and timing for you but since every car is different you will more than likely need to adjust a few things. I would recommend investing in an AEM Wideband.
 
So I'm looking at the stage 3 with the ECU EProm already in it for 385 and a safc II for another 150 bucks... sounds right? then later I'm gana get a AEM wideband air/ fuel meter for about 200 more.... that sound about right guys?

Stage 3 - $125
Stage 2 Mods PLUS Special compensation for Fuel Injector Size, Deadtime Compensation, MAS changes / Compensation, and Idle speed changes
Remember, to use these chips you MUST have an EPROM-type 1995 Turbo ECU.
Complete EPROM-type 1995 ECU's are also available, socketed and ready to go, for an additional $260, sold ONLY with my EPROM's!
Note: Any ECU modifications without the proper supporting mods can cause damage to your engine if improperly used. KeydiverChips.com is NOT responsible for any damage caused by the modification of your ECU.
 
So I'm looking at the stage 3 with the ECU EProm already in it for 385 and a safc II for another 150 bucks... sounds right? then later I'm gana get a AEM wideband air/ fuel meter for about 200 more.... that sound about right guys?

Stage 3 - $125
Stage 2 Mods PLUS Special compensation for Fuel Injector Size, Deadtime Compensation, MAS changes / Compensation, and Idle speed changes
Remember, to use these chips you MUST have an EPROM-type 1995 Turbo ECU.
Complete EPROM-type 1995 ECU's are also available, socketed and ready to go, for an additional $260, sold ONLY with my EPROM's!
Note: Any ECU modifications without the proper supporting mods can cause damage to your engine if improperly used. KeydiverChips.com is NOT responsible for any damage caused by the modification of your ECU.

You'll need a Stage 3 with the EPROM. Just tell Jeff all your specs and he'll hook you up.

A SAFC2 is cool, however, if you want bling, get the AFC Neo.

To make install easy, get a boomslang harness set up for whichever AFC you get. With that, it'll be plug and play.

I myself will be running DSMchip with an AFC Neo.
 
So I'm looking at the stage 3 with the ECU EProm already in it for 385 and a safc II for another 150 bucks... sounds right? then later I'm gana get a AEM wideband air/ fuel meter for about 200 more.... that sound about right guys?

Stage 3 - $125
Stage 2 Mods PLUS Special compensation for Fuel Injector Size, Deadtime Compensation, MAS changes / Compensation, and Idle speed changes
Remember, to use these chips you MUST have an EPROM-type 1995 Turbo ECU.
Complete EPROM-type 1995 ECU's are also available, socketed and ready to go, for an additional $260, sold ONLY with my EPROM's!
Note: Any ECU modifications without the proper supporting mods can cause damage to your engine if improperly used. KeydiverChips.com is NOT responsible for any damage caused by the modification of your ECU.

Dang. For the same cash, I went

DSMlink $450
Sending my ECU out to DSMlink to get socketed $30
Tune $Free

Total: $480
 
Where did you get DSMLink for $450? Cheapest I have seen is $650.
 
Price, Appearance, and the SAFC II has more points of adjustment. It also reads knock, but this does not apply to 2gs.

DSMLink creators must love seeing posts like this how their product has convinced everybody to not even give the SAFC consideration these days.

In the early DSM days, before DSMLink and before it got popular, there were many fast DSMs using just SAFC. If you really can't afford DSMLink now, but need something to tune with and don't see yourself having the money anytime soon, then you might consider it an option now. You can always sell it.

Dont start hating me now DSMLink lovers.. I am a DSMLink owner, coming from SAFC-II. Just giving him a different perspective. Tuning with SAFC and logger SUCKS after you play with DSMLink.

now whats the really diff from SAFC and SAFC II?? just a fyi really
 
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