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Need help for small, fast and cheap improvements on 1.4 mpi 8v engine

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Aaaargh, that stock ECU is driving me nuts, can it be remaped or something?

 

No, the Magneti Marelli ECU cannot be remapped, AMD used to do a piggyback unit, I don't know if you can still get it.

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  • I always wondered with the 1.4 MPI if the AC pump could be removed and a super charger fitted in its place   would put it right at the top of the engine bay, or jig things around and swap it with t

  • It doesn't work that way, the ECU expects an accurate resistance value at a particular temperature, what happens is the resistance drifts as the sensor ages, just replace it, they're cheap enough.

  • At the moment I'm on 14' alloys and weiner balloon tyres as I like to call them lol

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No, the Magneti Marelli ECU cannot be remapped, AMD used to do a piggyback unit, I don't know if you can still get it.

If it's cheaper than a hydraulic handbrake I might look it up, if not I'll place one of these in as there's no trouble to keep the throttle up while pinching the handbrake handbrake2_3.jpg

  • Author

No, the Magneti Marelli ECU cannot be remapped, AMD used to do a piggyback unit, I don't know if you can still get it.

According to the info on the sites only the newer ECUs have problems with remapping, my car is from year 00, are you sure it needs one of these? ecu_560x420_560x420.jpg

Edited by BMF

Actually the electric motors fitted on the medium sized remote controled choppers work at pretty high rpms and are not that big so it might be possible to make something that would work (in theory)

http://forums.mightycarmods.com/showthread.php?12362-Ebay-Electric-Superchargers-The-truth

for 1 psi of boost you need 1.3kW of power, more than an RC motor I believe. Although that is assuming a 2 litre engine, slightly less for a 1.4.

Edited by 6677

  • Author

Training day, second lap was junk as I was searching for the exit as they swiched the enter and exit zones, plus the helmet was rattling on the floor.
Tomorrow there will be no more rubber saving and easing off :))) 
 
SDC11426_zps5b762abf.jpg

 

http://www.youtube.com/watch?v=Ydrdnr2p6CI

Edited by BMF

I like the bracket for keeping the oil cap on :D

  • Author

I like the bracket for keeping the oil cap on :D

LOL I saw that on the old Favorit engines and after losing one cap I thought this could keep it in place, and it does, now the gases go back where they should, unlike with the factory cap and that plastic engine cover which did not seal the cap properly and from time to time the whole cabin smelled like fart (german engineering at its finest) :)

 

P.S. I'll post the air filter ghetto box mod after I finish, that's priceless, it will make people around here pee their pants from laughter...

Edited by BMF

LOL I saw that on the old Favorit engines and after losing one cap I thought this could keep it in place, and it does, now the gases go back where they should, unlike with the factory cap and that plastic engine cover which did not seal the cap properly and frome time to time the whole cabin smelled like fart (german engineering at its finest) :))

 

Yeah I hated the original cap too. I did away with the stupid engine cover and just use the same cap as yours.

  • Author

Yeah I hated the original cap too. I did away with the stupid engine cover and just use the same cap as yours.

This one is much better (Skoda Favorit cap) and if the rubber seal which comes with it is thick enough (unlike the first one I had, that one popped off on the road) it won't have the kartel gas problems it had before with the plastic cover and a non fitting factory cap. The only issue is that the stupid car parts shops will try and sell the factory cap and will not listed when someone tells them "It doesn't FIT", lol last one said my engine was modified after he had to send the factory cap back in exchange for a Skoda Favorit cap  :notme: 

This one is much better (Skoda Favorit cap) and if the rubber seal which comes with it is thick enough (unlike the first one I had, that one popped off on the road) it won't have the kartel gas problems it had before with the plastic cover and a non fitting factory cap. The only issue is that the stupid car parts shops will try and sell the factory cap and will not listed when someone tells them "It doesn't FIT", lol last one said my engine was modified after he had to send the factory cap back in exchange for a Skoda Favorit cap  :notme:

 

Those caps were around even earlier than the Favorit. I had an 1989 Rapid and it had the same one. The cap is already supplied clipped to the underneath of the engine cover on the Fabia MPI anyway (at least it was in the UK). It was intended as a temporary cap whilst the cover was removed for working on the engine but I never liked the idea of having a rubbish plastic engine cover with a seal on that to the engine oil filler hole, and then another seal on the cap to the cover. Just seemed a bit silly to me.

  • Author

Better time, but could have been even better...

 

Cupe_zps2b90ecf0.jpg

 

3rd place, lucky me only 3 entered lol but still a step up from 3:23 minutes or more to 3:03:17, if I would of had the time to mess with the exhaust and run a straight pipe I recon I could have made it under 3 minutes.

 

All in all not that bad considering I was driving like this:

 

SDC11436_zps0a951cc4.jpg

 

And a Benny Hill moment - as promised, air filter :)))

 

SDC11446_zpsfcbaa9c6.jpg

 

Crapper hose inside on which the small filter was attached, the rubber backside of that "sport" filter was completely cut off to fit on the "crapper hose" and to allow a bit more air about 3 times as much, that's how small was "from the factory line"

 

SDC11447_zpsab95beb1.jpg

Edited by BMF

  • Author

No, the Magneti Marelli ECU cannot be remapped, AMD used to do a piggyback unit, I don't know if you can still get it.

 

No Magneti Marelies here everything is Siemens on my car... but it's still pretty crappy

No Magneti Marelies here everything is Siemens on my car... but it's still pretty crappy

 

Simos cannot be remapped either.

  • 3 weeks later...
Please don't mind me for respawning this (not very old) thread. 

I've just remember..from the old, glory days of motoring is dating an oldschool tuning method. I remember that it was possible a 'tiny' upgrade from a 1.4 liter engine into a 1.6, which "only" required replacing of the crankshaft, fitting a bigger block, oil sump, fitting the copper piston skirts and a few more minor mods. From my knowledge, this procedure was leading to a 30-35% power increase. This way you were having the bhp of a 1.6 engine..with a 1.4 one.

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