Quote:
Originally Posted by Gaz
Why do they put Ethanol in the petrol these days?
Also, I thought 80's 5 cylinder audis had hardened valve seats, and were designed for unleaded fuels???
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They may be ok for unleaded but they are not OK for the low octane that comes with unleaded !
Ethanol ? think it's to do with getting a cleaner exhaust, it makes the exhaust gas smell very different, notice it evertime I back the car out !
Edit -- I should have said they weren't built for the low octane of unleaded !