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GSX Running
07-22-2007, 09:53 PM
I'm running the emanage ultimate and the guy that is gonna tune my car, asked me what what stock timing is, and is a good boost to take the motor too. Also is there anyway to tell knock from the SR ecu? Heres the info on the car.

Red top
Comp Cam Valve Springs
Greddy RAS
titanium retainers
HKS 272 cams
740 nismo inj
255 walbro
GT2871R 64.
Greddy FMIC stage 3
HKS dragger exhaust 3''
off brand headers
clevlite bearings
Zex wet kit
Greddy Oil Pan
Greddy Headgasket
Greddy Racing Elbow
ARP Headstuds
AEM Uego
Emange Ultimate
Z32 MAF
Greddy Elbow
HKS intake

I think thats it, was just wondering what is the most boost yall would run and what kind of timing it has stock, and if any of yall having any timing maps or anything that might help

GSX Running
07-24-2007, 12:26 AM
any kind of help would be great. Also I did search. Just wondering if anybody knows, what compersion would be on this

We need to determine what AFR we should shoot for on pump gas.

We need to know what the stock timing map looks like and what our maximum timing should be for pump gas as peak boost and redline.

we need to be able to log knock sums (noise filtered out) because knock voltage is difficult to use.

we need to be able to log timing

we need to determine what boost we should run for the octane/timing we're going to run

we need to know if the ecu pulls timing when knock is detected

does it even have a knock sensor?

is there a cable/software solution that can log everything from the odb port?

johngriff
07-24-2007, 01:31 AM
any kind of help would be great. Also I did search. Just wondering if anybody knows, what compersion would be on this

We need to determine what AFR we should shoot for on pump gas.

We need to know what the stock timing map looks like and what our maximum timing should be for pump gas as peak boost and redline.

we need to be able to log knock sums (noise filtered out) because knock voltage is difficult to use.

we need to be able to log timing

we need to determine what boost we should run for the octane/timing we're going to run

we need to know if the ecu pulls timing when knock is detected

does it even have a knock sensor?

is there a cable/software solution that can log everything from the odb port?

I am really going to try to be as nice as possible here.

DON'T LET THIS DOUCHE TUNE YOUR CAR.

If he does not already know BASIC stuff like this, take it somewhere else.

Ok, now that i was an asshat, I'll put on the little kid gloves for you, and baby you along.

RedTop = 8.5/1 compression

AFR= 11.5/1

Stock timing map: Irrelevant because you will still HAVE to use it. You also dont need to know the values using the Emanage ultimate, because when you tune it, you just add or subtract timing.

What should the timing be: Again, your tuner doesnt know dick. Timing is increased until maximum tq is accomplished on a brake dyno. At that point the choice to retard or leave as is, is congruent to the style of tuner.

Logging knock: The emanage does this, but with the modifications you have made there will be too much noise to accurately monitor knock with the stock sensor. If you really want to get a handle on the knock you can pickup a J&S safeguard, but tuning against knock is worthless anyways, because the dyno will accomplish the same goal of tuning ignition timing before knock. The J&S is a good tool for highly hand modified cylinder heads where you need to balance independent cylinder knock against each other for imperfections in craftsmanship, but you are pretty far away from this becoming a necessity.

For the 2871 on 93 octane i would say that 16 psi is very safe, and 18psi is decent. If you want more look into a higher octane fuel, or water/meth injection.

Yes, the ecu modifies timing vs knock/temp/load/tps/rpm

Yes, the stock sr has a knock sensor, directly under the intake manifold, bolted to the block, exactly where every knock sensor on every car is placed.

If you use the E5 ecu you could log using the nissan consult, but the emanage has good logging software built in, so you don't even need to do this.

Sorry if I came off like a dick, but all of this you could have been answered by reading the packaged emanage ultimate booklet, downloading the FSM and having a tuner that was actually a tuner.

Sir
07-24-2007, 09:54 AM
Seriously, what has he tuned before??? A honda with an AFC??? How does he tune if he's got no idea what AFR to shoot for?!

GSX Running
07-24-2007, 06:27 PM
well I have and am looking at the FSM, and the guy has tuned evo's and DSM all over the US. We really don't have any kind of SR or 240 tuners in this area. the guy is a great tuner he just didn't know what were the limits u could take the block or head, under boost on these applications. he said he usually runs 11.2 AFR for starters. He hasn't ever tuned a 240 but has alot of tuning exp on other cars.

GSX Running
07-24-2007, 06:28 PM
also I was asking if anybody had a timing map of thiers with similar mods, either using the emange AEM, or Power FC

johngriff
07-24-2007, 08:03 PM
Its all the same shit, using someone elses timing charts is the opposite of what you are trying to do, if you just want it to run, leave the timing stock. If you want to "tune it" take it to a dyno and sort the ignition map, that needs to be done on every application to realize safe and maximum output.

What I am saying is this guy should know these basic things. Its like EFI 101 :keke:

GSX Running
07-24-2007, 10:58 PM
well thats the main probelm where I live, there really isn't any kind of good tuners here, and I don't know what to do. Anybody that can help. Also how do I add a little fuel with the emange ultimate

johngriff
07-25-2007, 12:08 AM
READ THE BOOK.

Any Dyno will do.


www.efi101.com learn you a forum yalllllllllll

ALEXTHESUS*PECT
07-25-2007, 12:24 AM
Its all the same shit, using someone elses timing charts is the opposite of what you are trying to do, if you just want it to run, leave the timing stock. If you want to "tune it" take it to a dyno and sort the ignition map, that needs to be done on every application to realize safe and maximum output.

What I am saying is this guy should know these basic things. Its like EFI 101 :keke:

:rl: :smash: :duh: :Owned:

i hope a person like this never "tunes" my car!:bite:

be careful cuz it sounds like you are about to get :boink:

GSX Running
07-25-2007, 02:06 AM
well does anyone have a base to or something I can run off of instead of taking it to him. I'm in desperate need to get this thing back goin. Any help will def be appreciated. Any kind of base map or tuning info would help greatly

johngriff
07-25-2007, 02:09 AM
run the EMU in ignition pass through and just use the stock ecu map. Do your AF/R tune, and wait till you can hit a dyno day. Its not safe to randomly put an advanced(in the literal sense) map into your car. You have to tune the timing off of a dyno and read the maximum output, that is how you do it, other wise, you could be detonating and not hear it under engine load etc etc etc etc. dyno is $75-$150 an hour, SR20 with toys is like 3k plus, do da math yalll

GSX Running
07-25-2007, 10:00 AM
http://www.rs-enthalpy.com/tuning/sr-pfc-basemaps.xls

Would this be alright for a base tune?

GSX Running
07-25-2007, 11:34 AM
forgot to mention it has a Z32 MAF on it also

johngriff
07-25-2007, 12:54 PM
Ok, Im done. Its your engine, and I said my piece.