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UK STI 8 (blobeye) FUEL?

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Old 13 October 2008, 01:43 PM
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B4D HK
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Old 13 October 2008, 01:45 PM
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Super unleaded only 97+ ron

Tony
Old 13 October 2008, 01:52 PM
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RS_Matt
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Is 99 totally preferable over 97 as my nearest 99 outlet is 8 miles away! (97 is 4 miles)
Old 13 October 2008, 02:05 PM
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Old 13 October 2008, 09:04 PM
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ste sti
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mine is 05 wrx sti type uk and runs fine on standard fuel and carnt really feel or see any better mpg or speed on optimax.....
Old 13 October 2008, 09:15 PM
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Old 13 October 2008, 09:28 PM
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You'd like to think that Subaru would have mapped UKDM exports on widely-available UK fuel i.e. 97 (possibly 95), wouldn't you?

But until you get an answer by someone that DEFINITELY knowsr, I seriously wouldn't play Russian roulette with det - stick in the best available i.e. V-Power nee Optimax!!! It's simply not worth you 'having lived to regret it', lol!

Last edited by joz8968; 13 October 2008 at 09:31 PM.
Old 13 October 2008, 09:30 PM
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The answer is super unleaded only (97+) ron fuel, it even says it in the handbook and on the filler cap

Tony
Old 13 October 2008, 09:34 PM
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Originally Posted by TonyBurns
The answer is super unleaded only (97+) ron fuel, it even says it in the handbook and on the filler cap

Tony
There you go B4D_HK, 97+ it is!

DO NOT
use 95!

Last edited by joz8968; 13 October 2008 at 09:36 PM.
Old 13 October 2008, 09:37 PM
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It will run on 95, but timing will be pulled and you won't be making advertised power/torque.
Old 13 October 2008, 09:44 PM
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Originally Posted by bluenose172
It will run on 95, but timing will be pulled and you won't be making advertised power/torque.
Yeah, but should there be the presence of serious det, will 95 very quickly cause the IAM to retard to 0, therefore now offering no further protection should the det get worse?

Last edited by joz8968; 13 October 2008 at 09:50 PM.
Old 13 October 2008, 10:48 PM
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when I pulled the scoob and my old evo IV into my garage I could definately hear an engine knocking noise when running on 95. Filled them up with 99 and the noise went.
Old 13 October 2008, 11:41 PM
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Originally Posted by joz8968
Yeah, but should there be the presence of serious det, will 95 very quickly cause the IAM to retard to 0, therefore now offering no further protection should the det get worse?
If the IAM reaches around 4-5(Rom dependant) boost control will be disabled, wastegate duty will be set at 0 and you'll know there is a problem. Quite unlikely to happen running a newage STi on 95 RON, I personally wouldn't run any less than 97, but Subaru know that people will possibly put lower grade fuels in and have safeguards built into the EMS.
Old 13 October 2008, 11:47 PM
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Originally Posted by bluenose172
If the IAM reaches around 4-5(Rom dependant) boost control will be disabled, wastegate duty will be set at 0 and you'll know there is a problem. Quite unlikely to happen running a newage STi on 95 RON, I personally wouldn't run any less than 97, but Subaru know that people will possibly put lower grade fuels in and have safeguards built into the EMS.
Nice answer, cheers for adding to the ol' knowledge, lol
Old 13 October 2008, 11:57 PM
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my PPP certificate says super only
Old 14 October 2008, 05:31 AM
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