Engine Management

Post by **forsaken** » Thu Jul 10, 2003 12:42 pm

So i have searched but havent come up with anything conclusive... what should i be looking at for engine management? I dont have the money to drop on a stand alone system so Im looking towards either chipping the ecu or getting a afc. I plan on running 550cc injectors, a walbro pump and for now being on a stock turbo. What recomendations do you guys have?

Post by **SpeedRacer1** » Thu Jul 10, 2003 12:42 pm

On the stock turbo? Do not waste money on 550's, the turbo will melt before you max out the 370's.

Post by **BuudWeizErr** » Thu Jul 10, 2003 12:42 pm

And piggyback sucks, and ECU retunes are too expensive. Save up and buy a Power FC.

Post by **Onizuka** » Thu Jul 10, 2003 12:42 pm

you dont think the Apexi SAFC is worth it? I was gunna get that because i have no tuning experience...

Website · Post by **badass240sx** » Thu Jul 10, 2003 12:42 pm

I'm not Buud, but the S-AFC definitely isn't worthless. Unless your goal is beyond 300-375HP the S-AFC will work just fine for you. However, IMO it isn't exactly easy to tune either unless you know what you're doing. It's always best to put it on a dyno and have an experienced tuner help you out. My two cents.

Post by **Onizuka** » Thu Jul 10, 2003 12:42 pm

i plan on only having 280-300, but i dont know of any dynos near me, not very many " Import automotive enthusiasts" around me if yah know what i mean.

Post by **Nismo_Freak** » Thu Jul 10, 2003 12:42 pm

J-Spec Tuner wrote:i plan on only having 280-300, but i dont know of any dynos near me, not very many " Import automotive enthusiasts" around me if yah know what i mean.

370cc injectors will be maxed out at that power level. Go ahead and get some 480cc or 550cc injectors, a Z32 MAF, and feel the wrath. :ylsuper

BTW, stock turbo supports about ~240whp max. You need to move up to a T28 to get the flow needed for the 280-300 range.

I suggest the following:

1. FP Big28 Turbo2. S15 Stock OEM Turbo

Post by **Cyberkreig** » Thu Jul 10, 2003 12:42 pm

how abot the E-manage? You guys think of that more as a piggy back.. or an affordable management?

Post by **cosmo** » Thu Jul 10, 2003 12:42 pm

^^^^I was just about to ask that question

Website · Post by **badass240sx** » Thu Jul 10, 2003 12:42 pm

The e-Manage is still considered a piggyback controller as it's still using the stock ECU. However, it's definitely one of the most advanced piggybacks of it's kind. IMO, it's better then the SAFC but they both have their pros and cons. The SAFC can adjust injector duty cycle by +/-50% where as the e-Manage can only do 20% *without* the support tool. With the software for the e-manage, you can adjust +/-50% as well. It has functions to automatically adjust for larger injectors and MAF as well. e-Manage can adjust ignition timing where as the SAFC cannot. The S-AFC has a hi and low throttle adjustments at either 500 or 200 RPM increments depending on which S-AFC you get (I or II) The E-Manage uses a 16x16 resultion map in which you can set each point manually instead of set increments. This isn't a huge deal though IMO.

The e-Manage can also control two sub-injectors on a seperate map. The big downfall for the e-Manage is the fact it requires a laptop to do any real tuning. e-Manage also has the ability to switch to a MAP rather then the MAFS which can support up to like 3bar. All of the above I have referrenced with the e-Manage are all optional harness plugins which in total for the entire system comes to around 600-700. Hope this helps.

Post by **cosmo** » Thu Jul 10, 2003 12:42 pm

so other than you need a laptop as a big con for the E-Manage, you recommend that? That's not a big deal, though since I have one

Website · Post by **badass240sx** » Thu Jul 10, 2003 12:42 pm

If you have the money I would suggest the e-Manage if you are going the piggyback route. But in all honestly, the e-Manage is only a good controller if you have all of the optional harnesses available for it and as mentioned above it will cost in total around 600-700 maybe more. For another 300 bucks you can pick up a full standalone system (haltec) for 1k. I also know a guy who sells the APEXi PowerFC with commander for $1200 already tuned to your likings. He requires a VERY detailed list of every part you've installed and makes an awesome map for you. This guy is from Japan and doesn't play around, hehe. You receive it, plug it in and go.

Post by **Cyberkreig** » Thu Jul 10, 2003 12:42 pm

You can also collect the parts for the Emanage in stages/as you need them.. so you dont have to lay out all the cash at once.

i.e. Profec E01, then emanage, then a few optional harnesses, then emanage..

Post by **kclem69** » Thu Jul 10, 2003 12:42 pm

Badasss240sx,

I'm going to get an APEXI PowerFC in the near future. Can you tell me how to contact the guy you're talking about who tunes them and sells them with the commander for $1200.

Thanks

Post by **hokiruu** » Thu Jul 10, 2003 12:42 pm

yeah, can you please hook us up with that info, badass?

Post by **compression** » Thu Jul 10, 2003 12:42 pm

AEM is working on a plug and play EMS for the KA and SR motors for the 240sx crowd. They should have it ready in 3 to 6 months, maybe in that time you can save up your money, they retail for about 1500 or so.

Post by **turboex** » Thu Jul 10, 2003 12:42 pm

this is going to make my emanage a brezze to install. add the profec e-01 and its a great setup, and th car will run stock due to using the stock ecu as a say "base map"

Post by **hokiruu** » Thu Jul 10, 2003 12:42 pm

Ouch. $1500 is alot. Everyone says EMS is woth it though

Post by **BoostFab** » Thu Jul 10, 2003 12:42 pm

compression wrote:AEM is working on a plug and play EMS for the KA and SR motors for the 240sx crowd. They should have it ready in 3 to 6 months, maybe in that time you can save up your money, they retail for about 1500 or so.

would the EMS utilizes MAF or MAP? i would much preferred a MAP setup.

Post by **compression** » Thu Jul 10, 2003 12:42 pm

It will be able to run either one, like all the AEM EMS's. Yes, most everyone prefers MAP, it is easier to setup and tune for driveablility. Thats what I am using on mine and it works great. not to mention you get to ditch the MAF sensor.

Post by **Big Perm** » Thu Jul 10, 2003 12:42 pm

for that type of money, approaching 1000, i would go with the electromotive tec3, i have seen it used on several Lexus IS300 turbos and it is a very complete system. Not for the inexperianced tuner, dyno tuning with any advanced engine management system is the only way to get top notch results. I have the luxury of having electromotive's facility 3 hours away right next door to Peter Farrel Supercars who has a dyno and uses the system on all his cars 350z turbo, is300turbo, rx7's. If you are going to be spending 700 for the e-manage, i would save a little longer and get the tec3. just my 2 cents

Post by **Supafly** » Thu Jul 10, 2003 12:42 pm

the TEC systems work great, but i'd rather go with a power FC or the plug'n'play AEM at that price range in order to not have to rewire the entire engine bay and use new sensors.

Post by **Big Perm** » Thu Jul 10, 2003 12:42 pm

Good point, in terms of a total engine management, that thing is f'n nice. But like you said, is not for the DIY in my opinion.

Engine Management

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