All Things Mk5 > Performance Modifications
BP Ultimate vs Shell vPower - Performance differences noticed?
Dan_FR:
Theres more to fuel than just the RON.
V-Power is better in terms of resistance to knock (when logging CFs)
GrayMK5GTI:
Your car is mapped to higher octane so the ECU will be holding back the power (timing pull).
Long term that won't be good for your car so aim to run on 99RON wherever you can
Dan_FR:
Why not fire an email to R-Tech and ask them if they think Tesco Momentum will suffice? Or runs some logs with VCDS to check for yourself.
Simmo:
Ok cheers guys will do, sounds like better sticking to vpower just in case
Scottymon:
Mad isn't it, the 2006 Gallardo can pull ~500 brake on 95 RON.
Never had an issue with momentum, but would love to see if a tuner thinks otherwise.
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