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  1. #41
    Senior Member Three Rings jschrauwen's Avatar
    Join Date
    Aug 08 2013
    AZ Member #
    120617
    My Garage
    08 A5 3.2 QTip, 00 A4 2.8 QTip, 90 300ZX TT 572whp 590wtq, Ducati TT2
    Location
    Frankford, Ontario, Canada

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    Quote Originally Posted by protogeoff View Post
    That sucks for you guys. Some Chevron stations out west have ethanol-free 94. I get noticbly better milage... Around .5 L/100.

    V1Rotate
    I sure miss that 94 octane Chevron when I lived on Vancouver Island.
    2008 A5|Ice Silver|3.2 QTip|Premium Pkg|Technology Pkg|B&O with JL10W0-4 sub|15/20mm spacers|HID Foglights|LED - Front turn, reverse, license and interior|RS5 grill|AWE/K&N Intake|Quad tipped OEM muffler mod|2015 Euro-spec FL-LED Tail lights|CR-15 Strut Bar
    To be installed: AFS-1 pre-facelift Ecode (Euro) headlights

  2. #42
    Active Member Two Rings
    Join Date
    Feb 08 2017
    AZ Member #
    392775
    Location
    Quebec

    Quote Originally Posted by jschrauwen View Post
    I sure miss that 94 octane Chevron when I lived on Vancouver Island.
    God damn.. Makes me want to stop running my 94 map on my car... 30% ethanol? Been running 94 at petro for months and the range is awful. Makes sense now... I did enjoy the power gains.


    Sent from my iPhone using Tapatalk

  3. #43
    Senior Member Three Rings jschrauwen's Avatar
    Join Date
    Aug 08 2013
    AZ Member #
    120617
    My Garage
    08 A5 3.2 QTip, 00 A4 2.8 QTip, 90 300ZX TT 572whp 590wtq, Ducati TT2
    Location
    Frankford, Ontario, Canada

    Quote Originally Posted by spin0rz View Post
    God damn.. Makes me want to stop running my 94 map on my car... 30% ethanol? Been running 94 at petro for months and the range is awful. Makes sense now... I did enjoy the power gains.
    The nature of ethanol does allow one to run slightly higher boost compared to the same level octane with zero ethanol. Although it does take more ethanol to achieve the same amount of power per compression then non ethanol gas of the same octane rating.
    2008 A5|Ice Silver|3.2 QTip|Premium Pkg|Technology Pkg|B&O with JL10W0-4 sub|15/20mm spacers|HID Foglights|LED - Front turn, reverse, license and interior|RS5 grill|AWE/K&N Intake|Quad tipped OEM muffler mod|2015 Euro-spec FL-LED Tail lights|CR-15 Strut Bar
    To be installed: AFS-1 pre-facelift Ecode (Euro) headlights

  4. #44
    Senior Member Two Rings
    Join Date
    Jun 18 2011
    AZ Member #
    77075
    Location
    markham, ontario

    I was a long-term Shell V-Power and then Shell Nitro user for all my cars. On my S6, with the EPL 93 tune, I got knocking and noticed timing was dialed-back during adaptation. Upon ECU reset (clearing faults), the car would slowly adapt and put out more power, and then knocking would occur, and car would dial back. With Petrocan 94, I am able to maintain the power after adaptation. I loved Shell and the mileage I used to get (about 0.5L/100km) but in my case a 93 tune requires 94 fuel. On my previous cars, Canadian 91 was good enough for the 93 tunes (APR, GIAC, Revo).
    ----
    13 S6 4.0T DSG Phantom Black, 11 Golf 2.0TDI DSG Candy White
    -Traded-in-
    11 S4 3.0T S-tronic Ibis White, 10 Q5 3.2FSI 6A Ibis White, 01 Golf GLS 1.8T 4A Black, 06 A3 2.0T DSG 6A Brilliant Black, 04 A4 1.8TQMS 6M Ocean Blue, 00 A4 1.8TQMS 5M Light Silver, 99 Golf GL 2.0 5M Candy White

  5. #45
    Veteran Member Three Rings Francois's Avatar
    Join Date
    Mar 26 2007
    AZ Member #
    16745
    Location
    Montreal, Canada

    I'm using PetroCanada 94 because of my Revo Tune Stage 1, power is great and I do 400km with a full tank
    MontrealAudiClub membre #3


    S4 Premium 2011, 19", Meteor Grey, 7 speed dual clutch S-Tronic, black Napa, MMI, black optic, advance key, advance parking system with camera, side assist and more.

    Previous: TT S-Line 2012, Mag Ride / A4 Sport Package 2003.

  6. #46
    Veteran Member Three Rings deucescorner's Avatar
    Join Date
    Aug 26 2008
    AZ Member #
    32398
    My Garage
    2016 Audi Q3 S-Line Tecnik Black Optics
    Location
    Montreal

    Only 400km???, I'm on GIAC stage 2 and I get 620km in winter and 680-700km in summer. Using Ultramar 91 or shell 91


    Sent from my iPhone using Tapatalk
    2013 Audi A7 S-line (current)
    2016 Audi Q3 S-Line (wife)
    2005 Audi A4 Avant 1.8T Stage II (SOLD)
    2001 BMW 325ci Convertible (SOLD)
    2000 Audi A6 2.7T (SOLD)

  7. #47
    Senior Member Two Rings
    Join Date
    Jun 18 2011
    AZ Member #
    77075
    Location
    markham, ontario

    Quote Originally Posted by deucescorner View Post
    Only 400km???, I'm on GIAC stage 2 and I get 620km in winter and 680-700km in summer. Using Ultramar 91 or shell 91


    Sent from my iPhone using Tapatalk
    On an S4 or A7? 3.0T or 2.0T? In mixed driving, I used to get 450-500km on my S4. About the same with the 4.0T in the S6.
    ----
    13 S6 4.0T DSG Phantom Black, 11 Golf 2.0TDI DSG Candy White
    -Traded-in-
    11 S4 3.0T S-tronic Ibis White, 10 Q5 3.2FSI 6A Ibis White, 01 Golf GLS 1.8T 4A Black, 06 A3 2.0T DSG 6A Brilliant Black, 04 A4 1.8TQMS 6M Ocean Blue, 00 A4 1.8TQMS 5M Light Silver, 99 Golf GL 2.0 5M Candy White

  8. #48
    Veteran Member Three Rings deucescorner's Avatar
    Join Date
    Aug 26 2008
    AZ Member #
    32398
    My Garage
    2016 Audi Q3 S-Line Tecnik Black Optics
    Location
    Montreal

    Quote Originally Posted by GolfGL View Post
    On an S4 or A7? 3.0T or 2.0T? In mixed driving, I used to get 450-500km on my S4. About the same with the 4.0T in the S6.
    On the S4 mixed driving as long as I don't get too excited though lol


    Sent from my iPhone using Tapatalk
    2013 Audi A7 S-line (current)
    2016 Audi Q3 S-Line (wife)
    2005 Audi A4 Avant 1.8T Stage II (SOLD)
    2001 BMW 325ci Convertible (SOLD)
    2000 Audi A6 2.7T (SOLD)

  9. #49
    Veteran Member Four Rings Pr0n's Avatar
    Join Date
    Jul 10 2007
    AZ Member #
    19450
    My Garage
    Bus pass + 2004.5 A4 1.8TQM6
    Location
    trunk

    Use what your car is tuned for.
    2004.5 B6 A4 6 speed Transmission 02X AWD Quattro GJW + rear diff for sale

    Red on Black Team Member #1 (sorry you can't join, invite only)
    Red on Black leather interior makes me feel special

    Stage 0 minus - .5
    Running an ST (small turbo) making mine the slowest B6 A4 "evar!"

  10. #50
    Senior Member Three Rings jschrauwen's Avatar
    Join Date
    Aug 08 2013
    AZ Member #
    120617
    My Garage
    08 A5 3.2 QTip, 00 A4 2.8 QTip, 90 300ZX TT 572whp 590wtq, Ducati TT2
    Location
    Frankford, Ontario, Canada

    Quote Originally Posted by GolfGL View Post
    I was a long-term Shell V-Power and then Shell Nitro user for all my cars. On my S6, with the EPL 93 tune, I got knocking and noticed timing was dialed-back during adaptation. Upon ECU reset (clearing faults), the car would slowly adapt and put out more power, and then knocking would occur, and car would dial back. With Petrocan 94, I am able to maintain the power after adaptation. I loved Shell and the mileage I used to get (about 0.5L/100km) but in my case a 93 tune requires 94 fuel. On my previous cars, Canadian 91 was good enough for the 93 tunes (APR, GIAC, Revo).
    Is this a canned chip tune? From the USA? If so, then that 93 octane tune is probably based on a non ethanol 93 octane. You'd probably get the most from that tune using Shell 91 with an octane additive.
    2008 A5|Ice Silver|3.2 QTip|Premium Pkg|Technology Pkg|B&O with JL10W0-4 sub|15/20mm spacers|HID Foglights|LED - Front turn, reverse, license and interior|RS5 grill|AWE/K&N Intake|Quad tipped OEM muffler mod|2015 Euro-spec FL-LED Tail lights|CR-15 Strut Bar
    To be installed: AFS-1 pre-facelift Ecode (Euro) headlights

  11. #51
    Veteran Member Three Rings Francois's Avatar
    Join Date
    Mar 26 2007
    AZ Member #
    16745
    Location
    Montreal, Canada

    Quote Originally Posted by deucescorner View Post
    Only 400km???, I'm on GIAC stage 2 and I get 620km in winter and 680-700km in summer. Using Ultramar 91 or shell 91


    Sent from my iPhone using Tapatalk
    I would like to do 650km on a tank, I mostly drive in the city, not on highway, is that realistic ?

    I could also change the preset of my tune for octane 91 and try with Shell.
    MontrealAudiClub membre #3


    S4 Premium 2011, 19", Meteor Grey, 7 speed dual clutch S-Tronic, black Napa, MMI, black optic, advance key, advance parking system with camera, side assist and more.

    Previous: TT S-Line 2012, Mag Ride / A4 Sport Package 2003.

  12. #52
    Veteran Member Four Rings Tanner's Avatar
    Join Date
    Feb 11 2004
    AZ Member #
    198
    My Garage
    S4 / BRZ
    Location
    Markham, ON

    Quote Originally Posted by deucescorner View Post
    On the S4 mixed driving as long as I don't get too excited though lol
    Quote Originally Posted by Francois View Post
    I would like to do 650km on a tank, I mostly drive in the city, not on highway, is that realistic ?
    Best I can do with my stock B8 S4 is 600-620km on the highway. City, 480-500 range in the winter and a little more in the summer.... getting in average 13.66/100km (17.2 mpg). Stop and go is a killer on mileage.
    Mike

  13. #53
    Senior Member Two Rings
    Join Date
    Jun 18 2011
    AZ Member #
    77075
    Location
    markham, ontario

    Quote Originally Posted by jschrauwen View Post
    Is this a canned chip tune? From the USA? If so, then that 93 octane tune is probably based on a non ethanol 93 octane. You'd probably get the most from that tune using Shell 91 with an octane additive.
    Yes, it's a tune for the C7 S6 based on my ECU box code, not custom to my car (if that's what you meant). EPL is from Connecticut. Shell 91 with octane additive sounds like a lot of work for a daily-driver. If anything, I might flash their 91 tune, which is available to me on their server, and try it with the Shell 91 for comparison. Thanks!
    ----
    13 S6 4.0T DSG Phantom Black, 11 Golf 2.0TDI DSG Candy White
    -Traded-in-
    11 S4 3.0T S-tronic Ibis White, 10 Q5 3.2FSI 6A Ibis White, 01 Golf GLS 1.8T 4A Black, 06 A3 2.0T DSG 6A Brilliant Black, 04 A4 1.8TQMS 6M Ocean Blue, 00 A4 1.8TQMS 5M Light Silver, 99 Golf GL 2.0 5M Candy White

  14. #54
    Senior Member Three Rings jschrauwen's Avatar
    Join Date
    Aug 08 2013
    AZ Member #
    120617
    My Garage
    08 A5 3.2 QTip, 00 A4 2.8 QTip, 90 300ZX TT 572whp 590wtq, Ducati TT2
    Location
    Frankford, Ontario, Canada

    Quote Originally Posted by GolfGL View Post
    Yes, it's a tune for the C7 S6 based on my ECU box code, not custom to my car (if that's what you meant). EPL is from Connecticut. Shell 91 with octane additive sounds like a lot of work for a daily-driver. If anything, I might flash their 91 tune, which is available to me on their server, and try it with the Shell 91 for comparison. Thanks!
    I'd be interested to see/hear the results of that.
    2008 A5|Ice Silver|3.2 QTip|Premium Pkg|Technology Pkg|B&O with JL10W0-4 sub|15/20mm spacers|HID Foglights|LED - Front turn, reverse, license and interior|RS5 grill|AWE/K&N Intake|Quad tipped OEM muffler mod|2015 Euro-spec FL-LED Tail lights|CR-15 Strut Bar
    To be installed: AFS-1 pre-facelift Ecode (Euro) headlights

  15. #55
    Senior Member Three Rings jschrauwen's Avatar
    Join Date
    Aug 08 2013
    AZ Member #
    120617
    My Garage
    08 A5 3.2 QTip, 00 A4 2.8 QTip, 90 300ZX TT 572whp 590wtq, Ducati TT2
    Location
    Frankford, Ontario, Canada

    Quote Originally Posted by Francois View Post
    I'm using PetroCanada 94 because of my Revo Tune Stage 1, power is great and I do 400km with a full tank
    Yikes!! My 2000 A4 2.8L would get ~ 330kms to 350kms for the first half tank on the highway. My 2008 A5 3.2L would get between 350kms to 370kms for the first half tank on the highway.
    Heck, even my TT 300ZX with 572rwhp/590rwtq after dyno tune gave me roughly 23mpg on the highway. Before the dyno, I was on a canned chipped tune and I had considerably poorer gas mileage and much less hp/tq.
    A dyno tune will always trump a canned chip tune every day, power-wise and gas mileage-wise. Win/Win
    2008 A5|Ice Silver|3.2 QTip|Premium Pkg|Technology Pkg|B&O with JL10W0-4 sub|15/20mm spacers|HID Foglights|LED - Front turn, reverse, license and interior|RS5 grill|AWE/K&N Intake|Quad tipped OEM muffler mod|2015 Euro-spec FL-LED Tail lights|CR-15 Strut Bar
    To be installed: AFS-1 pre-facelift Ecode (Euro) headlights

  16. #56
    Active Member Two Rings
    Join Date
    Mar 14 2016
    AZ Member #
    370251
    My Garage
    2004 Nissan Maxima
    Location
    Brampton, ON

    Quote Originally Posted by deucescorner View Post
    Like the title said, I've been doing some reading as of late and I'm trying to figure out which gas is best for our cars. I'm currently on a AWE/GIAC stage 2 setup. Daily driving on my 91 tune but i'm wondering if i should switch to using Petro 94. It's a little confusing because from what I've read some users say that the 10% ethanol found in Petro 94 gives better gas mileage and others say they get worse gas mileage. Some say Shell 91 causes their engines to have knocks others say they have no problems with it.

    Any input is greatly appreciated.

    Thanks
    Hey buddy, I've actually used them both but never Esso. The Shell V-Power 91 is amazing, fuel in the city is terrible and I think that's just the car to be honest but highway is great close to 950km/tank. As for the Petro 94, I felt my car burn it a lot quicker and also not as responsive. I personally can't see Esso being better than Petro Canada so if Petro is bad Esso is worse. Shell V-Power in the US is 93 :D and believe me my car loved me.

  17. #57
    Veteran Member Four Rings
    Join Date
    May 21 2010
    AZ Member #
    59282
    My Garage
    2017 Mythos SQ5, 2017 911.2 Guards Red, Black 20"HRE
    Location
    Toronto

    Quote Originally Posted by Pr0n View Post
    Use what your car is tuned for.
    Exactly. Unless mileage comparisons are done exactly the same way in same temp, same distance same everything it doesnt really mean anything. Particularly with turbocharged engines. Same goes for acceleration.
    There have been all kinds of tests done regarding use of different octane fuels and in some instances efficiency and accel dropped. Almost all fuel comes from the same place and each company adds their own detergents etc.

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