Noob Fuel Question!

Xan · 02-08-2010, 10:28 AM

Quote:

Originally Posted by kannibul

AFAIK, there are no ECU's that will advance timing (further) to compensate for higher octane fuels than required.

It's been 10 years since I worked at engine calibration at Jaguar, but I do remember the production tune we made was able to work in a wider operating area dependend on fuel rating/quality both upwards and downwards.

Active Ignition Timing
A nice write up of the principle used by others.

tvfreakazoid · 02-08-2010, 10:27 PM

i'm curious could you run a 100octane? There is a local 76gas station that sells them.

Xan · 02-08-2010, 11:24 PM

Quote:

Originally Posted by tvfreakazoid

i'm curious could you run a 100octane? There is a local 76gas station that sells them.

Waste of money, unless you're running a tuned engine with enough compression/FI.

02-08-2010, 10:27 PM	#32 (permalink)
tvfreakazoid A True Z Fanatic Join Date: Jan 2009 Location: kommie kali Posts: 1,238 Drives: 2015 Audi S5; 6spd. Rep Power: 10324	i'm curious could you run a 100octane? There is a local 76gas station that sells them. __________________ Mudders milk

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