Originally Posted by
longing4alandy
I've been running my 91 corolla on E10 exclusively for 3 years/40,000km now and have had absolutely no problems except for being slightly harder to start in the cold, but that could be a distinct lack of compression due to age. I have never so much as changed fuel filters in that time either. When I first changed fuels I measured a minimal change in fuel economy, for the better, under 5% but an improvement not a loss. Power didn't feel any different. I buy it from two independant servos. Very pleased with E10.