Righto RJ......

I go through 110L per week at the moment & 90% of my fuel comes from Osb Park & 10% from the Hepburn Ave. site, most recently pumped in 42L at Osb. Park at 4pm today.

My AFR's today are showing the same as the day I tuned my car (3 months ago) on the permanently mounted wideband system in my car.

If the unleaded component of the fuel was substantially higher than it should be then I'd be showing WAY richer AFR's than tuned.........But it's not it's still 11.4:1 WOT at 22psi.

That's the beauty of tuning non-flex on E85.....If you fill with another fuel by mistake your car will be PIG rich & make no power (at least 30% over fuelling).

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[CENTER][COLOR=#ff0000]Built Ej207: Semi-closed RA Cases - Wiseco Forgies - Manley rods - BC 272 cams - GDA Heads - billet f/whl - Vi-pec - WbO2 - 800cc Yellow tops - TD05-20G - 409Hp ath @ 1.75bar on E85[/COLOR][/CENTER]