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Bad Fuel?

Sparki_D

By Sparki_D,
in Engines & Forced Induction

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Sparki_D Enthusiast

Sparki_D

Posted
Posted

Hey guys,

Went on the Team Dream cruise yesterday to Nowra, from Nowra headed to Batemans bay too meet a friend, long of the short is, I had to fill up at batemans, used Caltex Vortex as it was the best fuel I could get as I had SFA left in the tank, problem being the car pinged like hell on anything over 7psi on the way home, I figured bad fuel so called my mate behind me running a powerFC and he said his knock sensor was fine. The air outside was very cold (not sure on temp), I run a EMS stinger but the car was fine on the way in, was it bad fuel, the cool air, or do I need a tune?

Would cold air affect a tune that much? Ie the car was tuned at 25degC ambient, and the air on the way home im guessing was around 12degC?

Thanks in advance

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Cubes Grand Master

Cubes

Posted
Posted

95RON even with the RB20T's 8.5:1 comp ratio pings on stock boost - stock everything.

Mine did. It made 115rwkw.

Dropped in some 98 BP/Mobil and it made 125rwkw as it allowed a little more ignition timing.

That was back in the day where 99% of BP servo's didn't have BP Ultimate.

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superspit Mentor

superspit

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yeah, I've never owned a car that's as fussy as the Line, when it comes to fuel!!!

One fill....ace, the next?.....you'd think you were running on lemonade!!

BTW..I use expensomax, and even though I use the one brand only, I swear the petrol differs from station to station!!(?).

I Might go try that Ulticrap stuff, everyones talkin' 'bout it!!

Mark

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superspit Mentor

superspit

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I find I get consistance performance with BP Ultimate..

 

Mobil Synergy 8000 for some reason will be great one fill then a little sluggy the next.

Hey JOEL,

do you reckon Ulticrap goes "as hard" as the expensomax? (acceleration, etc)

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Cubes Grand Master

Cubes

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We only have BP and Mobil over here.

Apart from that.. they are both the same acceleration wise.

If you can pick it, then its all in your head! :D

But yer.. I'm off Mobil as I've had a couple tanks that make the car ping in turn it tends to feel a little flat.

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superspit Mentor

superspit

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We only have BP and Mobil over here.

 

Apart from that.. they are both the same acceleration wise.

 

If you can pick it, then its all in your head! :P

 

But yer.. I'm off Mobil as I've had a couple tanks that make the car ping in turn it tends to feel a little flat.

yep, u r right...I'm often in my head.

But I figure that if u can buy a particular petrol that makes ur car go 'ping', and u can hear it, then u should be able to buy a particular petrol that makes your car go 'bang', and you should 'feel' it.

...........anyways.

Thanx, Mark

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