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Old 20 Jun 2011, 09:58 AM   #1 (permalink)
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Hi everyone,

I have just purchased a 94 WRX type RA and was hoping somebody with a lot more knowladge than me can help me out. Im from N. Ireland and our highest rated fuel over here is 97ron and im a bit concerned about that as i know they dont run the best on it, ive been using Millers octane booster the few times ive been driving the car but ive read that a chip can be put in the ecu that makes it safer for uk fuel and generally makes it run better. According to what ive read so far a polar performance chip is the way to go but i cant seem to get one anywhere!! Is there anyone who sells a good chip for my car? Took the ECU out yesterday and its a z5 4 plug ecu and when i opened it up it seems to have a blank board for a chip already there. Any help would be very much appreciated.

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Old 20 Jun 2011, 05:34 PM   #2 (permalink)
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97ron super is just fine it's unleaded 95 is a No No shell v power is 97 I think it's only tesco that doe's 99ron but I may be wrong
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Old 20 Jun 2011, 07:56 PM   #3 (permalink)
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Thanks for getting back to me. I wasnt sure if the 97 ron was high enough as i know these were mapped on 100 ron in Japan. Was just concerned about detonation problems and didnt want to ruin the engine. Have been using the octane booster but i know there must be some sort of chip out there for the ecu mapped for our fuel. No optimax 98 ron or tesco 99 over here.
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Old 20 Jun 2011, 08:16 PM   #4 (permalink)
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Get it mapped fella - jolly green monster does a group buy on scoobyireland every few months
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Old 20 Jun 2011, 10:09 PM   #5 (permalink)
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Cheers mate. Can you map a 94 Z5 ecu ok?
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Old 26 Jul 2011, 06:37 AM   #6 (permalink)
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get an esl board fitted and mapped its the best and safest way bud. the chips are normally flashed for specific mods and u would have to know which mods and make sure u have the same ones ie a front mount ic, walbro pump, 440 injectors that kind of thing. if u dont have the same mods it will run like a bag of nails most likely and probably cause damage as the fuelling etc will be all wrong.
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Old 27 Jul 2011, 12:04 PM   #7 (permalink)
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97 wont be high enough for an import RA (all RA are imports), best option will be an esl chip and map.
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