Remap which fuel????
#1
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Remap which fuel????
Can anyone tell me what the difference in the performance would be mapping a scoob to Normal 95 UL rather than 97 SUL or Optimax.
Would this greatly reduce the perfomance?
Example a classic wrx import.
Would this greatly reduce the perfomance?
Example a classic wrx import.
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I bought my scoob for performance. I wouldn't get it mapped to 95UL
Optimax all the way. you need to speak to the mappers to ask if there is a big difference.
Optimax all the way. you need to speak to the mappers to ask if there is a big difference.
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As you say Im spending a fortune on increasing the performance so I dont want to reduce it. Thats why I asked if there was going to be a big difference in the performance. Its just a real pain in the **** to get SUL near me. Theres no shell garages and only 2 out of about 6 local garages do SUL. Then like this morning I go to fill up on the way to work and surprise surprise they had No SUL.
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i had mine mapped on esso 97, not enough optimax garages around for my liking so its always easier to get normal super unleaded. Just my 2 cents. Obviously with 95 ron its even easier to get the fuel. At the end of the day even if you had it mapped for normal 95 ron, you would still get a power gain, just not as much and improved driveability.
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Get it mapped for what your going to run it on. If you mapped it for SUL or Optimax, and regulaly put 95 ron in, your asking for trouble. On the other hand, if you map for 95, and then put in the odd tank of Optimax or SUL, then you'll see short term benefit while that fuel is in.
I'd say the long term care of your engine is a higher priority than a few bhp bragging rites down the pub.
chris.
I'd say the long term care of your engine is a higher priority than a few bhp bragging rites down the pub.
chris.
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If you can only get the 95 ron stuff, then consider buying octane booster and just keep a stock of it so every time you refuel you can boost it up
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nothing wrong with mapping the car on 95ron fuel if thats all you can get and if you do a lot of miles.
worst thing you could do is map it for 98 and run it on 95.
what ecu are you planning on fitting???
if its a power fc you can have it mapped on 95 then push the timing forward via the commander if you want to run it on 98.
you cound also do it the other way around so if you have it mapped for 98 and can't get any, put 95 in and pull some timing out.
worst thing you could do is map it for 98 and run it on 95.
what ecu are you planning on fitting???
if its a power fc you can have it mapped on 95 then push the timing forward via the commander if you want to run it on 98.
you cound also do it the other way around so if you have it mapped for 98 and can't get any, put 95 in and pull some timing out.
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I've got an Apexi fc and commander on order at the mo. I try never to put normal 95 in at the moment. It just means I have grief driving around to get the 97. I do use booster sometimes aswell but its just a pain and Id rather not bother with that after the remap. It would be handy if you can use either with the remap on the Apexi if I did ever have to put 95 in it.
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how do you change the timing on the commander? Do you have to go into each cell and adjust it or is there an option somewhere to add say 1 degree of advance to the base map?
#12
I have an 05 STi + PPP (which I believe is mapped for 98). A few months ago there was no premium unleaded available at any of the garages in my area due to the explosion at the depot. I was forced to put in a tank of 95 unleaded. By the time I needed to fill up again, Optimax was available. There was a very noticeable performance gain going from 95 back to Optimax.
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Gererally the car will run and perform better- and more importantly SAFER (less det/high combustion temps), if mapped for 95ron rather than running with the current map on low octane fuel. It is possible to get very little drop in bhp compared with the map running on the intended 100ron and a new tailored map for a lower octane fuel (presuming its a 280ps model- little or no difference for a 260ps and an increase for a 240ps model) - especially when accomapnied by other mods (decats, turbos etc).
Personally though, I'd map it conservetively for 97 ron. As fuel quality for SUL and optimax varies too much to run agressive maps on a daily basis IMO.
Plus optimax distribution is far too restricted to warrant it from a convienence point of view. And when the map is tailored to the individual car and any mods done to it, the difference between a 97 and 98ron, once mapped isn't anything to really shout about.
Personally though, I'd map it conservetively for 97 ron. As fuel quality for SUL and optimax varies too much to run agressive maps on a daily basis IMO.
Plus optimax distribution is far too restricted to warrant it from a convienence point of view. And when the map is tailored to the individual car and any mods done to it, the difference between a 97 and 98ron, once mapped isn't anything to really shout about.
Last edited by ALi-B; 14 February 2006 at 12:47 PM.
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Originally Posted by yam got a scooby
As you say Im spending a fortune on increasing the performance so I dont want to reduce it. Thats why I asked if there was going to be a big difference in the performance. Its just a real pain in the **** to get SUL near me. Theres no shell garages and only 2 out of about 6 local garages do SUL. Then like this morning I go to fill up on the way to work and surprise surprise they had No SUL.
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what you Brits need to bare in mind and seem not to be able to grasp the basic concept! is that your cars are mapped for the crappest fuel you can get in the UK so if you go and get your car remapped for optimax or tesco 99 then there is another fuel shortage as seems fairly common lately! you will be stuffed as you will not be able to put 95 ron in your car without also forking out for a bottle of octane booster. So not only are you paying for expensive petrol but have also shelled out to get your car mapped for petrol you can not guarantee will be available all the time. you also need to pay extra for octane booster you do not normally need in order to make your cars go normally. Now correct me if I am wrong but do you not have a history of crap petrol and crap speed limits in the UK so why make life harder for yourselves by mapping your car to run on 97 ron petrol?
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Originally Posted by Wurzel
what you Brits need to bare in mind and seem not to be able to grasp the basic concept! is that your cars are mapped for the crappest fuel you can get in the UK so if you go and get your car remapped for optimax or tesco 99 then there is another fuel shortage as seems fairly common lately! you will be stuffed as you will not be able to put 95 ron in your car without also forking out for a bottle of octane booster. So not only are you paying for expensive petrol but have also shelled out to get your car mapped for petrol you can not guarantee will be available all the time. you also need to pay extra for octane booster you do not normally need in order to make your cars go normally. Now correct me if I am wrong but do you not have a history of crap petrol and crap speed limits in the UK so why make life harder for yourselves by mapping your car to run on 97 ron petrol?
Ns04
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Originally Posted by Wurzel
what you Brits need to bare in mind and seem not to be able to grasp the basic concept! is that your cars are mapped for the crappest fuel you can get in the UK so if you go and get your car remapped for optimax or tesco 99 then there is another fuel shortage as seems fairly common lately! you will be stuffed as you will not be able to put 95 ron in your car without also forking out for a bottle of octane booster. So not only are you paying for expensive petrol but have also shelled out to get your car mapped for petrol you can not guarantee will be available all the time. you also need to pay extra for octane booster you do not normally need in order to make your cars go normally. Now correct me if I am wrong but do you not have a history of crap petrol and crap speed limits in the UK so why make life harder for yourselves by mapping your car to run on 97 ron petrol?
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Originally Posted by yam got a scooby
Maybe I should move to Germany
And the least said about our roads with no speed limits the better
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Originally Posted by dynamix
How much of a difference would a remap make to a MY06 Sti 2.5 running on Tesco 99 from the standard map?
Do they do this to the standard ECU or do you buy a new ECU?
Excuse the noob questions but this is all a tad new to me
Do they do this to the standard ECU or do you buy a new ECU?
Excuse the noob questions but this is all a tad new to me
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Originally Posted by jaytc2003
how do you change the timing on the commander? Do you have to go into each cell and adjust it or is there an option somewhere to add say 1 degree of advance to the base map?
#28
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Originally Posted by dynamix
How much of a difference would a remap make to a MY06 Sti 2.5 running on Tesco 99 from the standard map?
Do they do this to the standard ECU or do you buy a new ECU?
Excuse the noob questions but this is all a tad new to me
Do they do this to the standard ECU or do you buy a new ECU?
Excuse the noob questions but this is all a tad new to me
Rich reckons that they are very very good once mapped and push way beyond 300BHP. The one I saw was up to 330BHP before the map.
They map the current ECU. £550 +VAT at Powerstation.
www.powerstation.co.uk
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Originally Posted by Blue Dragoon
At Powerstation getting a tweek a few weeks ago and a JDM 2.5 was there to.
Rich reckons that they are very very good once mapped and push way beyond 300BHP. The one I saw was up to 330BHP before the map.
They map the current ECU. £550 +VAT at Powerstation.
www.powerstation.co.uk
Rich reckons that they are very very good once mapped and push way beyond 300BHP. The one I saw was up to 330BHP before the map.
They map the current ECU. £550 +VAT at Powerstation.
www.powerstation.co.uk