OMEX?

[LegoHead]

thoughts please? And what would be a good price setup on a rolling road?

Place next door to my work have quoted less than 1500, they tune mainly jap stuff, but I think they can do the work quite well.

 

[edde]

You don't need it do you?

Who spend money rying to fix what is hightly likly to just be a mapping issue. take it back or to an expect to get it fixed.

 

[LegoHead]

I am still waiting from a response from bbpt, not holding my breath. Just weighing up the options.

As a remap is gonna cost me £300 plus petrol. Chasing the cause of the problem may cost me a few quid. But getting standalone management will sort the car out the way it should be and run 300bhp+ relatively safely.

 

[Laura]

GDI have great involvement with omex, richard the owner of omex is a crazy scientist.
so gdi are probably the best people to speak to

 

[ben_p]

why an omex?

 

[LegoHead]

why an omex?

It sounds cool. What else is there?

Tbh what i have read about omex is putting me off it.

 

[Laura]

there is megasquirt ( gone bust iirc)
and DTA

they are the only others i can think of

 

[Jones]

mbe, emerald, gems, motec

 

[wayneclio16v]

emerald r good have standard features like flatshift etc also u can run up to three maps at the flick of a switch my boss has this on his escort gave it a 10% power increase runin it on e85 fuel handy for track days etc and half the price of petrol but aint cheap compared to an omex i think there £ 670 direct from emerald

 

[edde]

Mega squirt is't that good realy but the key ot it was its free plans and software places out there do make up the ECU as such and kits but its not that avances not many mapping points.

E85 can make more than 105 power particualt on turbo cars its 108 ron from memory.

 

[MarkM]

efi bought a new one out last year called the Euro4 which is a nice bit of kit.

http://www.obr.uk.com/ECUs/Euro4-prs3-log.pdf

I have had an OMEX on my 182 for 2years now and to sum it up its a pain in the arse. It is never going to be able to do cold start, cold running and idle aswell as the standard ECU which is more advanced in having different maps for different scenarios rather then the single OMEX map.

I cant use my aircon anymore because the ECU doesnt adjust for the extra load this puts on the engine and it tends to stall.

Stick with standard unless you really have to go standalone which as far as I can see you dont. What issues are you having with the standard ECU?

If you do go down the standalone route any company specialising in turbo mapping wont have a problem doing a good job on your engine. Choose wisely though as this can make or break the car.

Also, megasquirt is cheap crap.

 

[ja.jack]

Unless Omex were to iron out the problems that Mark highlights I don't think the game would be worth the candle. The cold start issues would do my head in for a start. Paying all that dough I'd expect smooth ,perfect efficiency like I've got with my GroupN.

 

[Laura]

ive got to say ive been using the ITB 172 as a daily runner for a week now and ive not noticed any cost start isuues with the omex,
tbh i wouldnt even notice it was a stand alone ecu.

id deff have one on my car

 

[ja.jack]

If Andy guarantees perfect behavior with it... I'll go ahead. lol

 

[broster@JAM-Sport]

we can do omex, but for alot less money and the same performance we can do a gotech pro x system for £1500 supplied fitted and mapped

 

[ja.jack]

Broster, can you do a 'custom' Superchip to get the most of mods I've done,ie inlets.ik,ect? A Superchip dealer in Scotland told me that if his 'chip' had gained as little power as the groupn he fitted and roaded for me, he would'nt have charged me for it.

 

[Fredy]

sybele

http://www.skynam.com/voir_produit....miseprixc=0&prixpub=849&prixpubc=0&prixdcat=1

 

[bradfincham]

emerald isnt the best out there

MBE, Motec, Pectel ive used in the past and got on with them.

Omex we ran on the stuart taylor and that was fine.

Were runing a RTD ecu on the honda lump

 

[LegoHead]

we can do omex, but for alot less money and the same performance we can do a gotech pro x system for £1500 supplied fitted and mapped

how is that less then 1500, which is what i originally quoted?

I have been offered a dastek piggy back for 650 fitted and mapped on rolling road.

 

[BexKTR]

piggyback wont give you the same level of control by a long way

 

[ludaprix]

http://www.obr.uk.com/ECUs/Euro4-prs3-log.pdfI have had an OMEX on my 182 for 2years now and to sum it up its a pain in the arse. It is never going to be able to do cold start, cold running and idle aswell as the standard ECU which is more advanced in having different maps for different scenarios rather then the single OMEX map.

I cant use my aircon anymore because the ECU doesnt adjust for the extra load this puts on the engine and it tends to stall.

i had the omex on my car for a few months now and i havent had any major probz with it. the only problem i had was with the crank sensor as the omex needs a really strong signal from that, hence it wouldnt start sometimes, but after a trip to gdi andy modded the sensor slightly and i havent had any problems since, the car seems to start with less cranks that it was as standard which is a bonus. as for cold starting, i havent had any problems as such yet but i cant comment as the weather hasnt been too bad!

my aircon works fine though mark with the omex.

 

[RSTuning]

My advice is to only ever fit aftermarket if you need to.

And you don't!

 

[broster@JAM-Sport]

we can do omex, but for alot less money and the same performance we can do a gotech pro x system for £1500 supplied fitted and mapped

how is that less then 1500, which is what i originally quoted?

I have been offered a dastek piggy back for 650 fitted and mapped on rolling road.

sorry, i meant to say that omex 600 is a bit more from us. and the pro x has more features as standard the pro x ecu and loom is 600inc vat, and a omex 600 ecu is 545+vat and a fully build loom is £180+vat

ja.jack, superchips can make a few alterations for you, but if the car has a lot of mods id go for a cstom remap on the standard ecu £450+vat

lego head what modifications do you have?

 

[MarkM]

My advice is to only ever fit aftermarket if you need to.

And you don't!

What he said ^.

I would be very interested to see the maps of all those claiming to have an OMEX installation that runs better then standard :S. Maybe the Renault engineers who mapped the more powerful OEM ECU have a few lessons to learn :clown:.

My car did not use the MAP sensor(has been added now), does not have feedback from the aircon, does not use the knock sensor, does not have traction control, does not have ESP, has a dash full of warning lights, has no trip mpg etc. readings, can only be supported by specialist garages when there is a problem.

Nick Hill does a cable throttle conversion using all Renault parts so unless you have wild cams I really dont see any other reason to use standalone.

 

[mini-valver]

I'm glad I have'nt gone down the standalone route now! Would the OMEX not be better having a proper live map from the start instead of being set to guidelines and tolerances?

 

[TheJesus]

my Omex has been fine, starts first time every time, idles sweet, when the fan cuts in you dont notice, when I switch headlights on I dont notice... I do however notice these on stock ECU, as the revs drop and pick up more obviously imo.

As for running better than standard I bought the car with it on, but it drives just like a normal car to me, just faster

 

[broster@JAM-Sport]

We fit aftermarket management systems on a daily basis to all sorts of cars, currently working on a db7 engined jag, problems with running of the car are 99% of the time down to poor mapping, not the management, they can be made to run better than standard management and gain better reliability due to less sensors to fail. i ran a car with throttle bodies and aftermarket management with no problems at all on a daily basis

 

[TheJesus]

I run mine daily on ITB's, cams etc etc etc and it's fine too

 

[MarkM]

We fit aftermarket management systems on a daily basis to all sorts of cars, currently working on a db7 engined jag, problems with running of the car are 99% of the time down to poor mapping, not the management, they can be made to run better than standard management and gain better reliability due to less sensors to fail.

Who do you work for?

Could you give a more detailed explanation of how you can install an aftermarket ECU and make it run 'better' then OEM?

 

[mark.k@GDI]

do it dave, all the best cars run it

 

[fmp_]

when i ran OMEX on my ITB Saxo VTS it ran like a dream.

cold start, perfect idle, no flat spots etc.

like said, mapping is soooooooo important.

 

[MarkM]

when i ran OMEX on my ITB Saxo VTS it ran like a dream.

cold start, perfect idle, no flat spots etc.

like said, mapping is soooooooo important.

My bank balance is struggling to keep up!

Its been remapped recently which smoothed the car out but they said cold start and warm up could not be mapped on a hot car (obviously) and I would have to leave it there for a week so they could adjust settings every morning.

You then have the problem of the time of year and the fact its alot colder on a winters morning then summers (obviously).

At the end of the day its not sat on a dyno in an air conditioned room.

 

[broster@JAM-Sport]

I work for JAM-sport in northampton, the most obvious case as to how omex can be better tahn a standard ecu remapped if with a modified engine, the standard ecu just cant handle some things thrown at it. also as some people in this thread have mentioned, with the addition of n aftermarket system the cars have idled better and then when the alt. draws more current the engine doesn't sturggle so much.

At the end of the day having drive many many cars wth aftermarket management I believe that the addition of an aftermarket system WHEN mapped correctly can lead to a very well behaved car. Obviosuly if the system isnt mapped properly then the car can and will be an absolute pig to drive.

However with modern day ecu's having more and more control over the cars electrical system it is becoming more complex for a system to be fitted and hence bigger costs incured.

End of the day, each to their own, if you have had bad experience with a management system then you may well be a bit dubious about them.

with a turbo clio id say the only way you will release the full potential from the car is with an aftermarket management system.

 

[broster@JAM-Sport]

Its been remapped recently which smoothed the car out but they said cold start and warm up could not be mapped on a hot car (obviously) and I would have to leave it there for a week so they could adjust settings every morning.

.

for this reason we like to have a car for a week saturday to saturday for management to be installed, the car will be up and running on the first day, but having it for a week gives a mapper time to sort the cold start

 

[foxon]

^^^ work for jam-sport, must know dave tansley then (400ish bhp fiesta si 2.1 zetec turbo)-i work wiv the tall freak of nature lol. hav you done the work on his? what management does he run??

 

[RSTuning]

I work for JAM-sport in northampton, the most obvious case as to how omex can be better tahn a standard ecu remapped if with a modified engine, the standard ecu just cant handle some things thrown at it. also as some people in this thread have mentioned, with the addition of n aftermarket system the cars have idled better and then when the alt. draws more current the engine doesn't sturggle so much.

At the end of the day having drive many many cars wth aftermarket management I believe that the addition of an aftermarket system WHEN mapped correctly can lead to a very well behaved car. Obviosuly if the system isnt mapped properly then the car can and will be an absolute pig to drive.

However with modern day ecu's having more and more control over the cars electrical system it is becoming more complex for a system to be fitted and hence bigger costs incured.

End of the day, each to their own, if you have had bad experience with a management system then you may well be a bit dubious about them.

with a turbo clio id say the only way you will release the full potential from the car is with an aftermarket management system.

If you can map the stock ecu properly and understand how it works there is no way you would need a standalone ecu. The stock ecu's fitted today are far more clever than any everyday aftermarket. Cold start functions, temp maps, knock correction, map sensor scales, wideband control. The list goes on. Yes all these can be controled by an aftermarket but the stock ecu is so more accurate. The only problem is the time it takes to learn how to tune them properly and not make a tuning box in a file.

Paul

 

[LegoHead]

I work for JAM-sport in northampton, the most obvious case as to how omex can be better tahn a standard ecu remapped if with a modified engine, the standard ecu just cant handle some things thrown at it. also as some people in this thread have mentioned, with the addition of n aftermarket system the cars have idled better and then when the alt. draws more current the engine doesn't sturggle so much.

At the end of the day having drive many many cars wth aftermarket management I believe that the addition of an aftermarket system WHEN mapped correctly can lead to a very well behaved car. Obviosuly if the system isnt mapped properly then the car can and will be an absolute pig to drive.

However with modern day ecu's having more and more control over the cars electrical system it is becoming more complex for a system to be fitted and hence bigger costs incured.

End of the day, each to their own, if you have had bad experience with a management system then you may well be a bit dubious about them.

with a turbo clio id say the only way you will release the full potential from the car is with an aftermarket management system.

If you can map the stock ecu properly and understand how it works there is no way you would need a standalone ecu. The stock ecu's fitted today are far more clever than any everyday aftermarket. Cold start functions, temp maps, knock correction, map sensor scales, wideband control. The list goes on. Yes all these can be controled by an aftermarket but the stock ecu is so more accurate. The only problem is the time it takes to learn how to tune them properly and not make a tuning box in a file.

Paul

Sounds good. Could you explain a bit of it to me?

I thought the cold start map controls the car using feedback from sensors and you couldnt change any of the variables. Whereas at say half throttle it goes into open loop and uses the map, to lookup values.

Is this correct?

 

[broster@JAM-Sport]

^^^ work for jam-sport, must know dave tansley then (400ish bhp fiesta si 2.1 zetec turbo)-i work wiv the tall freak of nature lol. hav you done the work on his? what management does he run??

yeah i know him, his car is awesome! his is on omex.

 

[broster@JAM-Sport]

I work for JAM-sport in northampton, the most obvious case as to how omex can be better tahn a standard ecu remapped if with a modified engine, the standard ecu just cant handle some things thrown at it. also as some people in this thread have mentioned, with the addition of n aftermarket system the cars have idled better and then when the alt. draws more current the engine doesn't sturggle so much.

At the end of the day having drive many many cars wth aftermarket management I believe that the addition of an aftermarket system WHEN mapped correctly can lead to a very well behaved car. Obviosuly if the system isnt mapped properly then the car can and will be an absolute pig to drive.

However with modern day ecu's having more and more control over the cars electrical system it is becoming more complex for a system to be fitted and hence bigger costs incured.

End of the day, each to their own, if you have had bad experience with a management system then you may well be a bit dubious about them.

with a turbo clio id say the only way you will release the full potential from the car is with an aftermarket management system.

If you can map the stock ecu properly and understand how it works there is no way you would need a standalone ecu. The stock ecu's fitted today are far more clever than any everyday aftermarket. Cold start functions, temp maps, knock correction, map sensor scales, wideband control. The list goes on. Yes all these can be controled by an aftermarket but the stock ecu is so more accurate. The only problem is the time it takes to learn how to tune them properly and not make a tuning box in a file.

Paul

i disagree in some respects, yes the stock ecu is good and can be mapped, however you can easily push the bounderies too far with cam profiles etc. if stock ecus were so great why dont rally teams use them........

 

[MarkM]

i disagree in some respects, yes the stock ecu is good and can be mapped, however you can easily push the bounderies too far with cam profiles etc. if stock ecus were so great why dont rally teams use them........

It is dependant on engine spec. When the ECU cant handle the engine spec you need standalone, ie wild cams or ITBs. But to stick standalone on an engine that doesnt 'need' it is extra expense and complexity.

I am sure, as an experienced engine tuner, you wouldnt suggest solutions that gave no gain to the customer but benefitted your company financially.