Diego Boost

From what I've been told my Computer cannot manage the air fuel properly over 6psi in my 99 GSR, so what should I do? Someone had mentioned using an OBD1 comp or getting a Hondata. What would you do?

niedejb

Get an AEM EMS....no OBDI conversion necessary.

Diego Boost

Thanks for the reply. Do you know roughly how much they cost?

niedejb

$1200 roughly from b18turbo here.

Just as much as a new ecu, OBD2->1 harness, and Hondata 4B with the rom burner and data logging.

SiRkid

12-1500

Diego Boost

Thanks fellas. Are they easy to tune? You program it with your PC correct?

0project dc2

iTrader: (1)

is this true ?? can anyone verify this ?

Sonny

Boost level really doesn't matter much on the stock computer because you're not allowing it to see boost anyway. Above 6psi, the fuel system is the main liability and using the stock ECU with fuel piggybacks gets messy.

Sonny

boostaholic

No it's not true. You can still use an FMU to boost more than 6psi w/ an obd2 ecu just like an obd1 ecu.

Cramerox

Correct.

Before deciding on what computer you should get, look around to see what tunners are around your area know what i mean? Unless you plan on tunning yourself.

AEM is a bit more expensive compared to going the hondata route and converting to obd1 but the EMS has alot of goodies!!

shadowdawn

Your options are AFC+440 injectors, FMU, or standalone..... this not managing fuel stuff has nothing to do with obd1 neither can manage a/f and timing with boost because they aren't made for it.

Obd2 is just more angry when you put mods on it, stupid cel's like code 3 (baro sensor)

MotorMatrix.com

Get a hondata and obd2 conversion harness with obd1 computer. You will be alot happier.

VTECPWR

Before you order anything verify how they test emissions in your state. In Atlanta they now just hook up to your OBDII connector any CEL's, missing data, etc. you fail. Glad I found this out before I ordered the hondata.

K20Ahondas

Could of fooled me. I have ran close to 1.3bar with stock obd2 computer. I have seen 450hp cars with obd2 ecus. Stock ecus too.

shadowdawn

Yea what fuel systems were used on these "stock ecus" and how long did these motors last before being rebuilt.

K20Ahondas

afc, 440cc inj, fmu. and 3 years still running strong.

K20Ahondas

We build car like these all day long. And 3mm headgasket.

shadowdawn

What the hell fmu disk would you put in a car running an afc hack already? And how much boost are these cars pushing..... 120+psi of fuel pressure on a stock (minus injectors) fuel system can't possibly last all that long can it?

JeremyL

does the AEM EMS atleast come with some base maps? ive heard that with Hondatas they basically come blank and you have to write out your own fuel map just to get the thing to idle and not destroy your engine

if the AEM EMS is tunable by yourself with a laptop i would fork out the money for it

K20Ahondas

of course the 255 fuel pump. 12:1 fmu. 1.3bar is like maxing out the injector at 5000-6000, after that still room for more boost. Integra and civic coupes mid to low 11s and hatch are close to 11.0s. Times depend on drivers.

slowsi00

aem ems 306whp at 12psi on a b16a

with 440cc injectors

JeremyL

is this your own car? did you tune the EMS yourself? what size turbo? im pretty sure i could make 306 @12lbs on a T78? what kind of mpg is this car getting?

JeremyL

12:1 FMU at 1.3 bar would be 234psi of fuel pressure....wtf?

Sonny

This will the case with any standalone system.

The solution is simple. When it is time to smog, put the stock injectors and stock ECU back in.

It's a very small price to pay for the control and power that standalone tuning gives you.

Sonny

0project dc2

iTrader: (1)

wow you exist, how is your turbo set up runnin ??