i thought it was normal because it just made since to me, more rpms more fuel injected, worse gas mileage. i'll look at my plugs, what are the best kind to buy? i would have thought that since i just bought it from a dealer about 4 months ago that would have been done...... i'll check. oh and i don't think i would call 3,500 low, i would be hapy with 2,500. damn 4 speed