j16jrf

iTrader: (3)

Hi,
I am going for an autronics ecu and this does away with the airflow metre.

What i am wondering is how you attach the air filter then?

I have a silicone turbo intake pipe. Im sure a few of you have this ECU's with this sort of setup.

Pics would probably be a help


Thanks
Jamie

jd5217

i have a simtek fited, the maf is still there, just not connected.

you can get straight sections of pipe to replace the maf section.

j16jrf

iTrader: (3)

yeah suppose didnt think of that lol, just disconnect it, hardly a reduction of air flow through it anyway.

thanks

Marx Mcrae

iTrader: (4)

What benefit do you get from removing the maf anyway?
I have a HKS ecu that can be set up to be maf free but dont know if its worth while

jd5217

above a certain airflow, mafs cannot read high enough and therefore fuelling etc will be incorrect.

banny sti

iTrader: (68)

Get an air filter and trumpet from Mark @ Lateral Performance to replace the maf sensor. All you will need is a small piece of silicone hose to connect the trumpet and inlet pipe.

Banny

Tidgy

the amf is prone to failuer, im running autronics as well

jd5217

but he asked about the MAF

Tidgy

oops, lol, you know what i mean

Ian

iTrader: (10)

what is the max air flow the maf can read?

Tidgy

not realy the max airflow it can read thats the issue, limit isn't the issue, its just how fragile it is

banny sti

iTrader: (68)

5mv I believe, power wise the sti3/4 maf can read to aroudn 460bhp not sure on on the sti 5/6 maf.

Bany

andy97

iTrader: (1)

Z32 maf are capable of 500bhp +

subaruturbo_18

i thought that maf's aren't that important, as they have a MAP sensor which is after the turbo so it can tell how much air is coming out the turbo end anyway?

am i right?

j16jrf

iTrader: (3)

cheers banny mate, I will give mark a ring when I get it all sorted

big-kev

jamie try micheal at oma as he is the new dealer in northern ireland for simtek as it might work out cheaper m8 and also does away with the maf got my sti fitted with one on friday but run into a few ongoing problems with my car so just have to wait a week or two , too see the result !!! hope this helps m8

j16jrf

iTrader: (3)

the deal i am getting on the autronics i doubt it could be any cheaper mate, plus i trust Johnny when it comes to the mapping etc.
We all know OMA are very good, but i will be using AI for mine mate

Tidgy

with mine i had cold start up issues at first, few tweaks in the map and jobs a good and fires up no probs now, although my bleedin idle control valves playing up

burt2000

iTrader: (1)

have u bought a set of 550's yet jamie?.....put it like this, my car ran at 90% IDC on the commander at 1.35 bar the other day on the 440's and thats with the FPR and Walbro too, my car at a guess is over the 300 mark....if your going for a 20g and alot more boost and power up around the 370bhp mark id be very surprised if the 440's werent completely maxed out, max on them is supposed to be 350bhp, plus best to leave a bit of headroom, have you been advised to stay with 440's by AI?

Tidgy

tbh might be worth leaving the 440's in as the limiter saves risking going to high

rooferman

iTrader: (6)

Definately a good price if the Autronics can be had for Simtek money..

Have the Autronics on mine with ALS ...works a treat and idles perfectly.

j16jrf

iTrader: (3)

hi Burt, yeah still have the 440s and with the unichip it was doing 340 and he had to actually take fuelling off at the top end

so they will be fine with the new turbo. cant be sure until the map gets done, but he reckons it will be spot on.


Yeah i have heard about the cold start issues, but generally as you say it just needs tweeked to sort it out